Collection: Washers - Lock - Internal Tooth - Spring Steel

Washers -> Lock -> Internal Tooth -> Spring Steel

There are 25 products in the sub-categories of Washers - Lock - Internal Tooth - Spring Steel. Scroll down or follow the link to Washers - Lock - Internal Tooth - Spring Steel in the products table to see all these items combined into a handy table with filters.

Category Details

A selection of Spring Steel Internal Tooth Lock Washers. Spring steel, internal toothed selection.

  • 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.
  • These are not the same as push on retaining rings. This product is not designed to grip a shaft. Search for push on retaining rings if that is what you require.

Miniature Bearings Australia - MBA Minibearings

Additional resources:


A more concise listing may be found in the Washers - Lock - Internal Tooth - Spring Steel category on the Small Parts & Bearings online store.
Nominal Inside Diameter Outside Diameter Material Thickness (T) Indicative
Image
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    Nominal Screw Size: M2.5, 4-40 / 4-48, 3/32    Actual ID (Ref): 2.7 mm   
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.
Nominal Inside Diameter Outside Diameter Material Thickness (T) Indicative
Image
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    Nominal Screw Size: M2.5, 4-40 / 4-48, 3/32    Actual ID (Ref): 2.7 mm   
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 - 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    Nominal Screw Size: M3, 5-40, 5-44, 1/8    Actual ID (Ref): 3.2 mm   
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    Nominal Screw Size: M3, 5-40, 5-44, 1/8    Actual ID (Ref): 3.2 mm   
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    Nominal Screw Size: M3, 5-40, 5-44, 1/8    Actual ID (Ref): 3.6 mm   
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    Nominal Screw Size: M3, 5-40, 5-44, 1/8    Actual ID (Ref): 3.6 mm   
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 - 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    Nominal Screw Size: M4, 5/32    Actual ID (Ref): 4.3 mm   
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    Nominal Screw Size: M4, 5/32    Actual ID (Ref): 4.3 mm   
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: Zinc Plated Steel    Nominal Screw Size: M4, 5/32    Actual ID (Ref): 4.2 mm   
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    Nominal Screw Size: M4, 5/32    Actual ID (Ref): 4.2 mm   
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 - 4.76x9.7x0.6 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    Nominal Screw Size: 10-24, 10-32, 3/16    Actual ID (Ref): 5 mm   
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    Nominal Screw Size: 10-24, 10-32, 3/16    Actual ID (Ref): 5 mm   
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    Nominal Screw Size: M5, 10-24, 10-32, 3/16    Actual ID (Ref): 5.3 mm   
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    Nominal Screw Size: M5, 10-24, 10-32, 3/16    Actual ID (Ref): 5.3 mm   
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    Nominal Screw Size: M5, 10-24, 10-32, 3/16    Actual ID (Ref): 5.2 mm   
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    Nominal Screw Size: M5, 10-24, 10-32, 3/16    Actual ID (Ref): 5.2 mm   
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    Nominal Screw Size: M6    Actual ID (Ref): 6.4 mm   
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    Nominal Screw Size: M6    Actual ID (Ref): 6.4 mm   
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: Zinc Plated Steel    Nominal Screw Size: M6    Actual ID (Ref): 6.2 mm   
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    Nominal Screw Size: M6    Actual ID (Ref): 6.2 mm   
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 - 6.35x12.1x0.7 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    Nominal Screw Size: M6, 1/4, 14 Gauge    Actual ID (Ref): 6.5 mm   
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    Nominal Screw Size: M6, 1/4, 14 Gauge    Actual ID (Ref): 6.5 mm   
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 - 7.94x15.5x0.9 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    Nominal Screw Size: M8, 5/16    Actual ID (Ref): 8.1 mm   
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    Nominal Screw Size: M8, 5/16    Actual ID (Ref): 8.1 mm   
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    Nominal Screw Size: M8, 5/16    Actual ID (Ref): 8.4 mm   
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    Nominal Screw Size: M8, 5/16    Actual ID (Ref): 8.4 mm   
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    Nominal Screw Size: M8, 5/16    Actual ID (Ref): 8.2 mm   
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    Nominal Screw Size: M8, 5/16    Actual ID (Ref): 8.2 mm   
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 - 9.53x17.6x1 mm Internal Tooth Washer
Nominal Inside Diameter
9.53
mm

(Equiv. 0.375 in.)
Outside Diameter
17.6
mm

(Equiv. 0.693 in.)
Material Thickness (T)
1.00
mm

(Equiv. 0.039 in.)
Lock Washers - 9.525x17.6x1 mm
Material: Zinc Plated Steel    Nominal Screw Size: 3/8    Actual ID (Ref): 9.8 mm   
Part Number: W0095-LI-018-010-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $4.41 AUD
Regular price $5.29 AUD Sale price $4.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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Lock Washers - 9.53x17.6x1 mm Internal Tooth Washer
Nominal Inside Diameter
9.53
mm

(Equiv. 0.375 in.)
Outside Diameter
17.6
mm

(Equiv. 0.693 in.)
Material Thickness (T)
1.00
mm

(Equiv. 0.039 in.)
Lock Washers - 9.525x17.6x1 mm
Material: Zinc Plated Steel    Nominal Screw Size: 3/8    Actual ID (Ref): 9.8 mm   
Part Number: W0095-LI-018-010-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $4.41 AUD
Regular price $5.29 AUD Sale price $4.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 10x17.6x1 mm Internal Tooth Washer
Nominal Inside Diameter
10.00
mm

(Equiv. 0.394 in.)
Outside Diameter
17.6
mm

(Equiv. 0.693 in.)
Material Thickness (T)
1.00
mm

(Equiv. 0.039 in.)
Lock Washers - 10x17.6x1 mm
Material: Zinc Plated Steel    Nominal Screw Size: M10, 3/8    Actual ID (Ref): 10.2 mm   
Part Number: W0100-LI-018-010-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $6.05 AUD
Regular price $7.25 AUD Sale price $6.05 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 10x17.6x1 mm Internal Tooth Washer
Nominal Inside Diameter
10.00
mm

(Equiv. 0.394 in.)
Outside Diameter
17.6
mm

(Equiv. 0.693 in.)
Material Thickness (T)
1.00
mm

(Equiv. 0.039 in.)
Lock Washers - 10x17.6x1 mm
Material: Zinc Plated Steel    Nominal Screw Size: M10, 3/8    Actual ID (Ref): 10.2 mm   
Part Number: W0100-LI-018-010-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $6.05 AUD
Regular price $7.25 AUD Sale price $6.05 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 11.11x20x1 mm Internal Tooth Washer
Nominal Inside Diameter
11.11
mm

(Equiv. 0.437 in.)
Outside Diameter
20
mm

(Equiv. 0.787 in.)
Material Thickness (T)
1.00
mm

(Equiv. 0.039 in.)
Lock Washers - 11.11x20x1 mm
Material: Zinc Plated Steel    Nominal Screw Size: M11, 7/16    Actual ID (Ref): 11.4 mm   
Part Number: W0111-LI-020-010-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $7.59 AUD
Regular price $9.11 AUD Sale price $7.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 11.11x20x1 mm Internal Tooth Washer
Nominal Inside Diameter
11.11
mm

(Equiv. 0.437 in.)
Outside Diameter
20
mm

(Equiv. 0.787 in.)
Material Thickness (T)
1.00
mm

(Equiv. 0.039 in.)
Lock Washers - 11.11x20x1 mm
Material: Zinc Plated Steel    Nominal Screw Size: M11, 7/16    Actual ID (Ref): 11.4 mm   
Part Number: W0111-LI-020-010-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $7.59 AUD
Regular price $9.11 AUD Sale price $7.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 12x20.3x1 mm Internal Tooth Washer
Nominal Inside Diameter
12.00
mm

(Equiv. 0.472 in.)
Outside Diameter
20.3
mm

(Equiv. 0.799 in.)
Material Thickness (T)
1.00
mm

(Equiv. 0.039 in.)
Lock Washers - 12x20.3x1 mm
Material: Zinc Plated Steel    Nominal Screw Size: M12    Actual ID (Ref): 12.3 mm   
Part Number: W0120-LI-020-010-CZ (PK-1000)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $86.86 AUD
Regular price $104.24 AUD Sale price $86.86 AUD
Priced, Stocked and Sold Per 1000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 12x20.3x1 mm Internal Tooth Washer
Nominal Inside Diameter
12.00
mm

(Equiv. 0.472 in.)
Outside Diameter
20.3
mm

(Equiv. 0.799 in.)
Material Thickness (T)
1.00
mm

(Equiv. 0.039 in.)
Lock Washers - 12x20.3x1 mm
Material: Zinc Plated Steel    Nominal Screw Size: M12    Actual ID (Ref): 12.3 mm   
Part Number: W0120-LI-020-010-CZ (PK-1000)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $86.86 AUD
Regular price $104.24 AUD Sale price $86.86 AUD
Priced, Stocked and Sold Per 1000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 12.7x22.9x1.1 mm Internal Tooth Washer
Nominal Inside Diameter
12.70
mm

(Equiv. 0.5 in.)
Outside Diameter
22.9
mm

(Equiv. 0.902 in.)
Material Thickness (T)
1.10
mm

(Equiv. 0.043 in.)
Lock Washers - 12.7x22.9x1.1 mm
Material: Zinc Plated Steel    Nominal Screw Size: M12, 1/2    Actual ID (Ref): 13 mm   
Part Number: W0127-LI-023-011-CZ (PK-1000)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $86.86 AUD
Regular price $104.24 AUD Sale price $86.86 AUD
Priced, Stocked and Sold Per 1000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 12.7x22.9x1.1 mm Internal Tooth Washer
Nominal Inside Diameter
12.70
mm

(Equiv. 0.5 in.)
Outside Diameter
22.9
mm

(Equiv. 0.902 in.)
Material Thickness (T)
1.10
mm

(Equiv. 0.043 in.)
Lock Washers - 12.7x22.9x1.1 mm
Material: Zinc Plated Steel    Nominal Screw Size: M12, 1/2    Actual ID (Ref): 13 mm   
Part Number: W0127-LI-023-011-CZ (PK-1000)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $86.86 AUD
Regular price $104.24 AUD Sale price $86.86 AUD
Priced, Stocked and Sold Per 1000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 15.88x27.2x1.3 mm Internal Tooth Washer
Nominal Inside Diameter
15.88
mm

(Equiv. 0.625 in.)
Outside Diameter
27.2
mm

(Equiv. 1.071 in.)
Material Thickness (T)
1.30
mm

(Equiv. 0.051 in.)
Lock Washers - 15.875x27.2x1.3 mm
Material: Zinc Plated Steel    Nominal Screw Size: 5/8    Actual ID (Ref): 16.3 mm   
Part Number: W0159-LI-027-013-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $13.59 AUD
Regular price $16.31 AUD Sale price $13.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 15.88x27.2x1.3 mm Internal Tooth Washer
Nominal Inside Diameter
15.88
mm

(Equiv. 0.625 in.)
Outside Diameter
27.2
mm

(Equiv. 1.071 in.)
Material Thickness (T)
1.30
mm

(Equiv. 0.051 in.)
Lock Washers - 15.875x27.2x1.3 mm
Material: Zinc Plated Steel    Nominal Screw Size: 5/8    Actual ID (Ref): 16.3 mm   
Part Number: W0159-LI-027-013-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $13.59 AUD
Regular price $16.31 AUD Sale price $13.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 16x27.2x1.3 mm Internal Tooth Washer
Nominal Inside Diameter
16.00
mm

(Equiv. 0.63 in.)
Outside Diameter
27.2
mm

(Equiv. 1.071 in.)
Material Thickness (T)
1.30
mm

(Equiv. 0.051 in.)
Lock Washers - 16x27.2x1.3 mm
Material: Zinc Plated Steel    Nominal Screw Size: M16, 5/8    Actual ID (Ref): 16.4 mm   
Part Number: W0160-LI-027-013-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $14.86 AUD
Regular price $17.84 AUD Sale price $14.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 16x27.2x1.3 mm Internal Tooth Washer
Nominal Inside Diameter
16.00
mm

(Equiv. 0.63 in.)
Outside Diameter
27.2
mm

(Equiv. 1.071 in.)
Material Thickness (T)
1.30
mm

(Equiv. 0.051 in.)
Lock Washers - 16x27.2x1.3 mm
Material: Zinc Plated Steel    Nominal Screw Size: M16, 5/8    Actual ID (Ref): 16.4 mm   
Part Number: W0160-LI-027-013-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $14.86 AUD
Regular price $17.84 AUD Sale price $14.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 19.05x31.6x1.4 mm Internal Tooth Washer
Nominal Inside Diameter
19.05
mm

(Equiv. 0.75 in.)
Outside Diameter
31.6
mm

(Equiv. 1.244 in.)
Material Thickness (T)
1.40
mm

(Equiv. 0.055 in.)
Lock Washers - 19.05x31.6x1.4 mm
Material: Zinc Plated Steel    Nominal Screw Size: M19, 3/4    Actual ID (Ref): 19.5 mm   
Part Number: W0191-LI-032-014-CZ (PK-500)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $91.05 AUD
Regular price $109.25 AUD Sale price $91.05 AUD
Priced, Stocked and Sold Per 500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 19.05x31.6x1.4 mm Internal Tooth Washer
Nominal Inside Diameter
19.05
mm

(Equiv. 0.75 in.)
Outside Diameter
31.6
mm

(Equiv. 1.244 in.)
Material Thickness (T)
1.40
mm

(Equiv. 0.055 in.)
Lock Washers - 19.05x31.6x1.4 mm
Material: Zinc Plated Steel    Nominal Screw Size: M19, 3/4    Actual ID (Ref): 19.5 mm   
Part Number: W0191-LI-032-014-CZ (PK-500)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $91.05 AUD
Regular price $109.25 AUD Sale price $91.05 AUD
Priced, Stocked and Sold Per 500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 20x32x1.4 mm Internal Tooth Washer
Nominal Inside Diameter
20.00
mm

(Equiv. 0.787 in.)
Outside Diameter
32
mm

(Equiv. 1.26 in.)
Material Thickness (T)
1.40
mm

(Equiv. 0.055 in.)
Lock Washers - 20x32x1.4 mm
Material: Zinc Plated Steel    Nominal Screw Size: M20    Actual ID (Ref): 20.5 mm   
Part Number: W0200-LI-032-014-CZ (PK-500)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $101.23 AUD
Regular price $121.47 AUD Sale price $101.23 AUD
Priced, Stocked and Sold Per 500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 20x32x1.4 mm Internal Tooth Washer
Nominal Inside Diameter
20.00
mm

(Equiv. 0.787 in.)
Outside Diameter
32
mm

(Equiv. 1.26 in.)
Material Thickness (T)
1.40
mm

(Equiv. 0.055 in.)
Lock Washers - 20x32x1.4 mm
Material: Zinc Plated Steel    Nominal Screw Size: M20    Actual ID (Ref): 20.5 mm   
Part Number: W0200-LI-032-014-CZ (PK-500)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $101.23 AUD
Regular price $121.47 AUD Sale price $101.23 AUD
Priced, Stocked and Sold Per 500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 22.23x35.8x1.5 mm Internal Tooth Washer
Nominal Inside Diameter
22.23
mm

(Equiv. 0.875 in.)
Outside Diameter
35.8
mm

(Equiv. 1.409 in.)
Material Thickness (T)
1.50
mm

(Equiv. 0.059 in.)
Lock Washers - 22.225x35.8x1.5 mm
Material: Zinc Plated Steel    Nominal Screw Size: M22, 7/8    Actual ID (Ref): 22.7 mm   
Part Number: W0222-LI-036-015-CZ (PK-500)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $269.59 AUD
Regular price $323.51 AUD Sale price $269.59 AUD
Priced, Stocked and Sold Per 500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Lock Washers - 22.23x35.8x1.5 mm Internal Tooth Washer
Nominal Inside Diameter
22.23
mm

(Equiv. 0.875 in.)
Outside Diameter
35.8
mm

(Equiv. 1.409 in.)
Material Thickness (T)
1.50
mm

(Equiv. 0.059 in.)
Lock Washers - 22.225x35.8x1.5 mm
Material: Zinc Plated Steel    Nominal Screw Size: M22, 7/8    Actual ID (Ref): 22.7 mm   
Part Number: W0222-LI-036-015-CZ (PK-500)
Out of Stock | Backorder Now | Orders can be expected around Wed, Mar 11, 2026
Regular price $269.59 AUD
Regular price $323.51 AUD Sale price $269.59 AUD
Priced, Stocked and Sold Per 500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.