Collection: Washers - Lock - Internal Tooth

Washers -> Lock -> Internal Tooth

There are 37 products in the sub-categories of Washers - Lock - Internal Tooth. Scroll down or follow the link to Washers - Lock - Internal Tooth in the products table to see all these items combined into a handy table with filters. To narrow down the selection, please choose a sub-category from the links below.

Category Details

This category includes various types of lock washers.
  • Lock washers are available in many different materials and types, including tabbed, split and toothed. An expanded range may be available on special order. Please enquire.
  • Designed to prevent nuts and bolts from loosening due to vibration or torque by creating tension and friction within the bolted joint, effectively securing the connection and preventing unwanted rotations.
  • Dimensions are nominal and may vary between batches.

Miniature Bearings Australia - MBA Minibearings

Additional resources:


A more concise listing may be found in the Washers - Lock - Internal Tooth category on the Small Parts & Bearings online store.
Nominal Inside Diameter Outside Diameter Material Thickness (T) Indicative
Image
Lock Washers - 2x4.5x0.3 mm Internal Tooth Washer
Nominal Inside Diameter
2.00
mm

(Equiv. 0.079 in.)
Outside Diameter
4.5
mm

(Equiv. 0.177 in.)
Material Thickness (T)
0.30
mm

(Equiv. 0.012 in.)
Lock Washers - 2x4.5x0.3 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Category: Washers - Lock - Internal Tooth - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: W0020-LI-005-003-S4 (PK-50)
3 units (150 pcs) Available Now | Item Discontinued - Up to 3 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

3 units (150 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Nominal Inside Diameter Outside Diameter Material Thickness (T) Indicative
Image
Lock Washers - 2x4.5x0.3 mm Internal Tooth Washer
Nominal Inside Diameter
2.00
mm

(Equiv. 0.079 in.)
Outside Diameter
4.5
mm

(Equiv. 0.177 in.)
Material Thickness (T)
0.30
mm

(Equiv. 0.012 in.)
Lock Washers - 2x4.5x0.3 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Category: Washers - Lock - Internal Tooth - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: W0020-LI-005-003-S4 (PK-50)
3 units (150 pcs) Available Now | Item Discontinued - Up to 3 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

3 units (150 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 2.5x5.5x0.4 mm Internal Tooth Washer
Nominal Inside Diameter
2.50
mm

(Equiv. 0.098 in.)
Outside Diameter
5.5
mm

(Equiv. 0.217 in.)
Material Thickness (T)
0.40
mm

(Equiv. 0.016 in.)
Lock Washers - 2.5x5.5x0.4 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Category: Washers - Lock - Internal Tooth - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: W0025-LI-006-004-S4 (PK-50)
5 units (250 pcs) Available Now | Item Discontinued - Up to 5 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

5 units (250 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 2.5x5.5x0.4 mm Internal Tooth Washer
Nominal Inside Diameter
2.50
mm

(Equiv. 0.098 in.)
Outside Diameter
5.5
mm

(Equiv. 0.217 in.)
Material Thickness (T)
0.40
mm

(Equiv. 0.016 in.)
Lock Washers - 2.5x5.5x0.4 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Category: Washers - Lock - Internal Tooth - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: W0025-LI-006-004-S4 (PK-50)
5 units (250 pcs) Available Now | Item Discontinued - Up to 5 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

5 units (250 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 2.5x5.5x0.4 mm Internal Tooth Washer
Nominal Inside Diameter
2.50
mm

(Equiv. 0.098 in.)
Outside Diameter
5.5
mm

(Equiv. 0.217 in.)
Material Thickness (T)
0.40
mm

(Equiv. 0.016 in.)
Lock Washers - 2.5x5.5x0.4 mm
Material: Carbon Spring Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Deleted Item. Available while stocks last.
Part Number: W0025-LI-006-004-C (PK-10)
1 pack (10 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $5.00 AUD
Regular price $9.50 AUD Sale price $5.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (10 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 2.5x5.5x0.4 mm Internal Tooth Washer
Nominal Inside Diameter
2.50
mm

(Equiv. 0.098 in.)
Outside Diameter
5.5
mm

(Equiv. 0.217 in.)
Material Thickness (T)
0.40
mm

(Equiv. 0.016 in.)
Lock Washers - 2.5x5.5x0.4 mm
Material: Carbon Spring Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Deleted Item. Available while stocks last.
Part Number: W0025-LI-006-004-C (PK-10)
1 pack (10 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $5.00 AUD
Regular price $9.50 AUD Sale price $5.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (10 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 3x6x0.4 mm Internal Tooth Washer
Nominal Inside Diameter
3.00
mm

(Equiv. 0.118 in.)
Outside Diameter
6
mm

(Equiv. 0.236 in.)
Material Thickness (T)
0.40
mm

(Equiv. 0.016 in.)
Lock Washers - 3x6x0.4 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Category: Washers - Lock - Internal Tooth - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: W0030-LI-006-004-S4 (PK-50)
10 units (500 pcs) Available Now | Item Discontinued - Up to 10 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

10 units (500 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 3x6x0.4 mm Internal Tooth Washer
Nominal Inside Diameter
3.00
mm

(Equiv. 0.118 in.)
Outside Diameter
6
mm

(Equiv. 0.236 in.)
Material Thickness (T)
0.40
mm

(Equiv. 0.016 in.)
Lock Washers - 3x6x0.4 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Category: Washers - Lock - Internal Tooth - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: W0030-LI-006-004-S4 (PK-50)
10 units (500 pcs) Available Now | Item Discontinued - Up to 10 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

10 units (500 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 3x7.4x0.5 mm Internal Tooth Washer
Nominal Inside Diameter
3.00
mm

(Equiv. 0.118 in.)
Outside Diameter
7.4
mm

(Equiv. 0.291 in.)
Material Thickness (T)
0.50
mm

(Equiv. 0.02 in.)
Lock Washers - 3x7.4x0.5 mm
Material: Zinc Plated Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Part Number: W0030-LI-007-005-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $2.95 AUD
Regular price Sale price $2.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 3x7.4x0.5 mm Internal Tooth Washer
Nominal Inside Diameter
3.00
mm

(Equiv. 0.118 in.)
Outside Diameter
7.4
mm

(Equiv. 0.291 in.)
Material Thickness (T)
0.50
mm

(Equiv. 0.02 in.)
Lock Washers - 3x7.4x0.5 mm
Material: Zinc Plated Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Part Number: W0030-LI-007-005-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $2.95 AUD
Regular price Sale price $2.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 3.18x7.5x0.5 mm Internal Tooth Washer
Nominal Inside Diameter
3.18
mm

(Equiv. 0.125 in.)
Outside Diameter
7.5
mm

(Equiv. 0.295 in.)
Material Thickness (T)
0.50
mm

(Equiv. 0.02 in.)
Lock Washers - 3.175x7.5x0.5 mm
Material: Zinc Plated Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Part Number: W0032-LI-008-005-CZ (PK-500)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $83.59 AUD
Regular price Sale price $83.59 AUD
Priced, Stocked and Sold Per 500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 3.18x7.5x0.5 mm Internal Tooth Washer
Nominal Inside Diameter
3.18
mm

(Equiv. 0.125 in.)
Outside Diameter
7.5
mm

(Equiv. 0.295 in.)
Material Thickness (T)
0.50
mm

(Equiv. 0.02 in.)
Lock Washers - 3.175x7.5x0.5 mm
Material: Zinc Plated Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Part Number: W0032-LI-008-005-CZ (PK-500)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $83.59 AUD
Regular price Sale price $83.59 AUD
Priced, Stocked and Sold Per 500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 3.5x7.1x0.5 mm Internal Tooth Washer
Nominal Inside Diameter
3.50
mm

(Equiv. 0.138 in.)
Outside Diameter
7.1
mm

(Equiv. 0.28 in.)
Material Thickness (T)
0.50
mm

(Equiv. 0.02 in.)
Lock Washers - 3.5x7.1x0.5 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Category: Washers - Lock - Internal Tooth - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: W0035-LI-007-005-S4 (PK-10)
7 units (70 pcs) Available Now | Item Discontinued - Up to 7 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

7 units (70 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 3.5x7.1x0.5 mm Internal Tooth Washer
Nominal Inside Diameter
3.50
mm

(Equiv. 0.138 in.)
Outside Diameter
7.1
mm

(Equiv. 0.28 in.)
Material Thickness (T)
0.50
mm

(Equiv. 0.02 in.)
Lock Washers - 3.5x7.1x0.5 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Category: Washers - Lock - Internal Tooth - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: W0035-LI-007-005-S4 (PK-10)
7 units (70 pcs) Available Now | Item Discontinued - Up to 7 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

7 units (70 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 4x8x0.5 mm Internal Tooth Washer
Nominal Inside Diameter
4.00
mm

(Equiv. 0.157 in.)
Outside Diameter
8
mm

(Equiv. 0.315 in.)
Material Thickness (T)
0.50
mm

(Equiv. 0.02 in.)
Lock Washers - 4x8x0.5 mm
Material: Carbon Spring Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Deleted Item. Available while stocks last.
Part Number: W0040-LI-008-005-C (PK-35)
1 pack (35 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 35 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (35 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 4x8x0.5 mm Internal Tooth Washer
Nominal Inside Diameter
4.00
mm

(Equiv. 0.157 in.)
Outside Diameter
8
mm

(Equiv. 0.315 in.)
Material Thickness (T)
0.50
mm

(Equiv. 0.02 in.)
Lock Washers - 4x8x0.5 mm
Material: Carbon Spring Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Deleted Item. Available while stocks last.
Part Number: W0040-LI-008-005-C (PK-35)
1 pack (35 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 35 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (35 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 4x8.8x0.6 mm Internal Tooth Washer
Nominal Inside Diameter
4.00
mm

(Equiv. 0.157 in.)
Outside Diameter
8.8
mm

(Equiv. 0.346 in.)
Material Thickness (T)
0.60
mm

(Equiv. 0.024 in.)
Lock Washers - 4x8.8x0.6 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Category: Washers - Lock - Internal Tooth - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: W0040-LI-009-006-S4 (PK-50)
3 units (150 pcs) Available Now | Item Discontinued - Up to 3 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

3 units (150 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 4x8.8x0.6 mm Internal Tooth Washer
Nominal Inside Diameter
4.00
mm

(Equiv. 0.157 in.)
Outside Diameter
8.8
mm

(Equiv. 0.346 in.)
Material Thickness (T)
0.60
mm

(Equiv. 0.024 in.)
Lock Washers - 4x8.8x0.6 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Category: Washers - Lock - Internal Tooth - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: W0040-LI-009-006-S4 (PK-50)
3 units (150 pcs) Available Now | Item Discontinued - Up to 3 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

3 units (150 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 4x8.8x0.6 mm Internal Tooth Washer
Nominal Inside Diameter
4.00
mm

(Equiv. 0.157 in.)
Outside Diameter
8.8
mm

(Equiv. 0.346 in.)
Material Thickness (T)
0.60
mm

(Equiv. 0.024 in.)
Lock Washers - 4x8.8x0.6 mm
Material: Zinc Plated Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Part Number: W0040-LI-009-006-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $15.59 AUD
Regular price Sale price $15.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 4x8.8x0.6 mm Internal Tooth Washer
Nominal Inside Diameter
4.00
mm

(Equiv. 0.157 in.)
Outside Diameter
8.8
mm

(Equiv. 0.346 in.)
Material Thickness (T)
0.60
mm

(Equiv. 0.024 in.)
Lock Washers - 4x8.8x0.6 mm
Material: Zinc Plated Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Part Number: W0040-LI-009-006-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $15.59 AUD
Regular price Sale price $15.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 4.17x8.3x0.5 mm Internal Tooth Washer
Nominal Inside Diameter
4.17
mm

(Equiv. 0.164 in.)
Outside Diameter
8.3
mm

(Equiv. 0.327 in.)
Material Thickness (T)
0.50
mm

(Equiv. 0.02 in.)
Lock Washers - 4.166x8.3x0.5 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Category: Washers - Lock - Internal Tooth - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: W0042-LI-008-005-S4 (PK-10)
7 units (70 pcs) Available Now | Item Discontinued - Up to 7 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

7 units (70 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 4.17x8.3x0.5 mm Internal Tooth Washer
Nominal Inside Diameter
4.17
mm

(Equiv. 0.164 in.)
Outside Diameter
8.3
mm

(Equiv. 0.327 in.)
Material Thickness (T)
0.50
mm

(Equiv. 0.02 in.)
Lock Washers - 4.166x8.3x0.5 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Category: Washers - Lock - Internal Tooth - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: W0042-LI-008-005-S4 (PK-10)
7 units (70 pcs) Available Now | Item Discontinued - Up to 7 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

7 units (70 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 4.76x9.7x0.6 mm Internal Tooth Washer
Nominal Inside Diameter
4.76
mm

(Equiv. 0.187 in.)
Outside Diameter
9.7
mm

(Equiv. 0.382 in.)
Material Thickness (T)
0.60
mm

(Equiv. 0.024 in.)
Lock Washers - 4.762x9.7x0.6 mm
Material: Zinc Plated Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Part Number: W0048-LI-010-006-CZ (PK-50)
16 units (800 pcs) Available Now | Further orders can be expected around Wed, Mar 11, 2026
Regular price $3.68 AUD
Regular price $6.81 AUD Sale price $3.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 16 available can be backordered.
Lock Washers - 4.76x9.7x0.6 mm Internal Tooth Washer
Nominal Inside Diameter
4.76
mm

(Equiv. 0.187 in.)
Outside Diameter
9.7
mm

(Equiv. 0.382 in.)
Material Thickness (T)
0.60
mm

(Equiv. 0.024 in.)
Lock Washers - 4.762x9.7x0.6 mm
Material: Zinc Plated Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Part Number: W0048-LI-010-006-CZ (PK-50)
16 units (800 pcs) Available Now | Further orders can be expected around Wed, Mar 11, 2026
Regular price $3.68 AUD
Regular price $6.81 AUD Sale price $3.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

16 units (800 pcs) Available Now. Backorder if more than 16.
Lock Washers - 5x10x0.6 mm Internal Tooth Washer
Nominal Inside Diameter
5.00
mm

(Equiv. 0.197 in.)
Outside Diameter
10
mm

(Equiv. 0.394 in.)
Material Thickness (T)
0.60
mm

(Equiv. 0.024 in.)
Lock Washers - 5x10x0.6 mm
Material: Carbon Spring Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Deleted Item. Available while stocks last.
Part Number: W0050-LI-010-006-C (PK-10)
8 units (80 pcs) Available Now | Item Discontinued - Up to 8 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

8 units (80 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 5x10x0.6 mm Internal Tooth Washer
Nominal Inside Diameter
5.00
mm

(Equiv. 0.197 in.)
Outside Diameter
10
mm

(Equiv. 0.394 in.)
Material Thickness (T)
0.60
mm

(Equiv. 0.024 in.)
Lock Washers - 5x10x0.6 mm
Material: Carbon Spring Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Deleted Item. Available while stocks last.
Part Number: W0050-LI-010-006-C (PK-10)
8 units (80 pcs) Available Now | Item Discontinued - Up to 8 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

8 units (80 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 5x10.5x0.7 mm Internal Tooth Washer
Nominal Inside Diameter
5.00
mm

(Equiv. 0.197 in.)
Outside Diameter
10.5
mm

(Equiv. 0.413 in.)
Material Thickness (T)
0.70
mm

(Equiv. 0.028 in.)
Lock Washers - 5x10.5x0.7 mm
Material: Zinc Plated Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Part Number: W0050-LI-011-007-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $15.86 AUD
Regular price Sale price $15.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 5x10.5x0.7 mm Internal Tooth Washer
Nominal Inside Diameter
5.00
mm

(Equiv. 0.197 in.)
Outside Diameter
10.5
mm

(Equiv. 0.413 in.)
Material Thickness (T)
0.70
mm

(Equiv. 0.028 in.)
Lock Washers - 5x10.5x0.7 mm
Material: Zinc Plated Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Part Number: W0050-LI-011-007-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $15.86 AUD
Regular price Sale price $15.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 6x11x0.7 mm Internal Tooth Washer
Nominal Inside Diameter
6.00
mm

(Equiv. 0.236 in.)
Outside Diameter
11
mm

(Equiv. 0.433 in.)
Material Thickness (T)
0.70
mm

(Equiv. 0.028 in.)
Lock Washers - 6x11x0.7 mm
Material: Carbon Spring Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Deleted Item. Available while stocks last.
Part Number: W0060-LI-011-007-C (PK-10)
7 units (70 pcs) Available Now | Item Discontinued - Up to 7 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

7 units (70 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 6x11x0.7 mm Internal Tooth Washer
Nominal Inside Diameter
6.00
mm

(Equiv. 0.236 in.)
Outside Diameter
11
mm

(Equiv. 0.433 in.)
Material Thickness (T)
0.70
mm

(Equiv. 0.028 in.)
Lock Washers - 6x11x0.7 mm
Material: Carbon Spring Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Deleted Item. Available while stocks last.
Part Number: W0060-LI-011-007-C (PK-10)
7 units (70 pcs) Available Now | Item Discontinued - Up to 7 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

7 units (70 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 6x13x0.7 mm Internal Tooth Washer
Nominal Inside Diameter
6.00
mm

(Equiv. 0.236 in.)
Outside Diameter
13
mm

(Equiv. 0.512 in.)
Material Thickness (T)
0.70
mm

(Equiv. 0.028 in.)
Lock Washers - 6x13x0.7 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Category: Washers - Lock - Internal Tooth - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: W0060-LI-013-007-S4 (PK-50)
17 units (850 pcs) Available Now | Item Discontinued - Up to 17 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

17 units (850 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 6x13x0.7 mm Internal Tooth Washer
Nominal Inside Diameter
6.00
mm

(Equiv. 0.236 in.)
Outside Diameter
13
mm

(Equiv. 0.512 in.)
Material Thickness (T)
0.70
mm

(Equiv. 0.028 in.)
Lock Washers - 6x13x0.7 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Category: Washers - Lock - Internal Tooth - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: W0060-LI-013-007-S4 (PK-50)
17 units (850 pcs) Available Now | Item Discontinued - Up to 17 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

17 units (850 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 6x13x0.7 mm Internal Tooth Washer
Nominal Inside Diameter
6.00
mm

(Equiv. 0.236 in.)
Outside Diameter
13
mm

(Equiv. 0.512 in.)
Material Thickness (T)
0.70
mm

(Equiv. 0.028 in.)
Lock Washers - 6x13x0.7 mm
Material: Zinc Plated Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Part Number: W0060-LI-013-007-CZ (PK-50)
3 units (150 pcs) Available Now | Further orders can be expected around Wed, Mar 11, 2026
Regular price $4.59 AUD
Regular price Sale price $4.59 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 3 available can be backordered.
Lock Washers - 6x13x0.7 mm Internal Tooth Washer
Nominal Inside Diameter
6.00
mm

(Equiv. 0.236 in.)
Outside Diameter
13
mm

(Equiv. 0.512 in.)
Material Thickness (T)
0.70
mm

(Equiv. 0.028 in.)
Lock Washers - 6x13x0.7 mm
Material: Zinc Plated Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Part Number: W0060-LI-013-007-CZ (PK-50)
3 units (150 pcs) Available Now | Further orders can be expected around Wed, Mar 11, 2026
Regular price $4.59 AUD
Regular price Sale price $4.59 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

3 units (150 pcs) Available Now. Backorder if more than 3.
Lock Washers - 6.35x11.9x0.6 mm Internal Tooth Washer
Nominal Inside Diameter
6.35
mm

(Equiv. 0.25 in.)
Outside Diameter
11.9
mm

(Equiv. 0.469 in.)
Material Thickness (T)
0.60
mm

(Equiv. 0.024 in.)
Lock Washers - 6.35x11.9x0.6 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Category: Washers - Lock - Internal Tooth - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: W0064-LI-012-006-S4 (PK-10)
2 units (20 pcs) Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

2 units (20 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 6.35x11.9x0.6 mm Internal Tooth Washer
Nominal Inside Diameter
6.35
mm

(Equiv. 0.25 in.)
Outside Diameter
11.9
mm

(Equiv. 0.469 in.)
Material Thickness (T)
0.60
mm

(Equiv. 0.024 in.)
Lock Washers - 6.35x11.9x0.6 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Category: Washers - Lock - Internal Tooth - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: W0064-LI-012-006-S4 (PK-10)
2 units (20 pcs) Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

2 units (20 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 6.35x12.1x0.7 mm Internal Tooth Washer
Nominal Inside Diameter
6.35
mm

(Equiv. 0.25 in.)
Outside Diameter
12.1
mm

(Equiv. 0.476 in.)
Material Thickness (T)
0.70
mm

(Equiv. 0.028 in.)
Lock Washers - 6.35x12.1x0.7 mm
Material: Zinc Plated Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Part Number: W0064-LI-012-007-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $3.59 AUD
Regular price Sale price $3.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 6.35x12.1x0.7 mm Internal Tooth Washer
Nominal Inside Diameter
6.35
mm

(Equiv. 0.25 in.)
Outside Diameter
12.1
mm

(Equiv. 0.476 in.)
Material Thickness (T)
0.70
mm

(Equiv. 0.028 in.)
Lock Washers - 6.35x12.1x0.7 mm
Material: Zinc Plated Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Part Number: W0064-LI-012-007-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $3.59 AUD
Regular price Sale price $3.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 7.94x15.1x0.8 mm Internal Tooth Washer
Nominal Inside Diameter
7.94
mm

(Equiv. 0.313 in.)
Outside Diameter
15.1
mm

(Equiv. 0.594 in.)
Material Thickness (T)
0.80
mm

(Equiv. 0.031 in.)
Lock Washers - 7.938x15.1x0.8 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Category: Washers - Lock - Internal Tooth - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: W0079-LI-015-008-S4 (PK-10)
7 units (70 pcs) Available Now | Item Discontinued - Up to 7 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

7 units (70 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 7.94x15.1x0.8 mm Internal Tooth Washer
Nominal Inside Diameter
7.94
mm

(Equiv. 0.313 in.)
Outside Diameter
15.1
mm

(Equiv. 0.594 in.)
Material Thickness (T)
0.80
mm

(Equiv. 0.031 in.)
Lock Washers - 7.938x15.1x0.8 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Category: Washers - Lock - Internal Tooth - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: W0079-LI-015-008-S4 (PK-10)
7 units (70 pcs) Available Now | Item Discontinued - Up to 7 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

7 units (70 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 7.94x15.5x0.9 mm Internal Tooth Washer
Nominal Inside Diameter
7.94
mm

(Equiv. 0.313 in.)
Outside Diameter
15.5
mm

(Equiv. 0.61 in.)
Material Thickness (T)
0.90
mm

(Equiv. 0.035 in.)
Lock Washers - 7.938x15.5x0.9 mm
Material: Zinc Plated Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Part Number: W0079-LI-016-009-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $5.50 AUD
Regular price Sale price $5.50 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 7.94x15.5x0.9 mm Internal Tooth Washer
Nominal Inside Diameter
7.94
mm

(Equiv. 0.313 in.)
Outside Diameter
15.5
mm

(Equiv. 0.61 in.)
Material Thickness (T)
0.90
mm

(Equiv. 0.035 in.)
Lock Washers - 7.938x15.5x0.9 mm
Material: Zinc Plated Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Part Number: W0079-LI-016-009-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $5.50 AUD
Regular price Sale price $5.50 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 8x15x0.8 mm Internal Tooth Washer
Nominal Inside Diameter
8.00
mm

(Equiv. 0.315 in.)
Outside Diameter
15
mm

(Equiv. 0.591 in.)
Material Thickness (T)
0.80
mm

(Equiv. 0.031 in.)
Lock Washers - 8x15x0.8 mm
Material: Carbon Spring Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Deleted Item. Available while stocks last.
Part Number: W0080-LI-015-008-C (PK-15)
1 pack (15 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 15 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (15 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 8x15x0.8 mm Internal Tooth Washer
Nominal Inside Diameter
8.00
mm

(Equiv. 0.315 in.)
Outside Diameter
15
mm

(Equiv. 0.591 in.)
Material Thickness (T)
0.80
mm

(Equiv. 0.031 in.)
Lock Washers - 8x15x0.8 mm
Material: Carbon Spring Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Deleted Item. Available while stocks last.
Part Number: W0080-LI-015-008-C (PK-15)
1 pack (15 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 15 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (15 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 8x15.5x0.9 mm Internal Tooth Washer
Nominal Inside Diameter
8.00
mm

(Equiv. 0.315 in.)
Outside Diameter
15.5
mm

(Equiv. 0.61 in.)
Material Thickness (T)
0.90
mm

(Equiv. 0.035 in.)
Lock Washers - 8x15.5x0.9 mm
Material: Zinc Plated Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Part Number: W0080-LI-016-009-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $5.14 AUD
Regular price Sale price $5.14 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 8x15.5x0.9 mm Internal Tooth Washer
Nominal Inside Diameter
8.00
mm

(Equiv. 0.315 in.)
Outside Diameter
15.5
mm

(Equiv. 0.61 in.)
Material Thickness (T)
0.90
mm

(Equiv. 0.035 in.)
Lock Washers - 8x15.5x0.9 mm
Material: Zinc Plated Steel   
Category: Washers - Lock - Internal Tooth - Spring Steel
Part Number: W0080-LI-016-009-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $5.14 AUD
Regular price Sale price $5.14 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 8x15.5x0.9 mm Internal Tooth Washer
Nominal Inside Diameter
8.00
mm

(Equiv. 0.315 in.)
Outside Diameter
15.5
mm

(Equiv. 0.61 in.)
Material Thickness (T)
0.90
mm

(Equiv. 0.035 in.)
Lock Washers - 8x15.5x0.9 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Category: Washers - Lock - Internal Tooth - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: W0080-LI-016-009-S4 (PK-50)
3 units (150 pcs) Available Now | Item Discontinued - Up to 3 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

3 units (150 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 8x15.5x0.9 mm Internal Tooth Washer
Nominal Inside Diameter
8.00
mm

(Equiv. 0.315 in.)
Outside Diameter
15.5
mm

(Equiv. 0.61 in.)
Material Thickness (T)
0.90
mm

(Equiv. 0.035 in.)
Lock Washers - 8x15.5x0.9 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Category: Washers - Lock - Internal Tooth - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: W0080-LI-016-009-S4 (PK-50)
3 units (150 pcs) Available Now | Item Discontinued - Up to 3 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

3 units (150 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.