Washers - Cup - Stainless Steel

Washers -> Cup -> Stainless Steel

There are 6 products in the sub-categories of Washers - Cup - Stainless Steel. Browse the Washers - Cup - Stainless Steel products table.

Category Details

A selection of Stainless Steel Cup Washers. Stanless steel cup washer selection.

  • Washers with a concave, cup-like shape, used with countersunk screws to provide a neat, finished look and evenly distribute the fastener's load.
  • Protects softer materials from damage caused by the fastener head.

Miniature Bearings Australia - MBA Minibearings

Additional resources:


A more concise listing may be found in the Washers - Cup - Stainless Steel category on the Small Parts & Bearings online store.
Nominal Inside Diameter (A) Nominal Outside Diameter (B) Nom. Section (C) Size Indicative
Image
Nominal Inside Diameter (A)
3.5
mm

(Equiv. 0.138 in.)
Nominal Outside Diameter (B)
10.30
mm

(Equiv. 0.406 in.)
Nom. Section (C)
2.40
mm

(Equiv. 0.094 in.)
Size
6 UNC / UNF
Cup Washers - 3.5x10.3x2.4 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)    Actual ID (Ref): 3.8 mm   
Part Number: W0035-CU-010-024-S3 (10 Pcs)
Cup Washers - 3.5x10.3x2.4 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer
21 units (210 pcs) Available Now | Further orders can be expected around Tue, Sep 09, 2025
$1.86 AUD
$3.37 AUD $1.86 AUD
Per 10
Quantity Required

21 units (210 pcs) Available Now. Backorder if more than 21.
Nominal Inside Diameter (A) Nominal Outside Diameter (B) Nom. Section (C) Size Indicative
Image
Nominal Inside Diameter (A)
3.5
mm

(Equiv. 0.138 in.)
Nominal Outside Diameter (B)
10.30
mm

(Equiv. 0.406 in.)
Nom. Section (C)
2.40
mm

(Equiv. 0.094 in.)
Size
6 UNC / UNF
Cup Washers - 3.5x10.3x2.4 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)    Actual ID (Ref): 3.8 mm   
Part Number: W0035-CU-010-024-S3 (10 Pcs)
Cup Washers - 3.5x10.3x2.4 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer
21 units (210 pcs) Available Now | Further orders can be expected around Tue, Sep 09, 2025
$1.86 AUD
$3.37 AUD $1.86 AUD
Per 10
Quantity Required

21 units (210 pcs) Available Now. Backorder if more than 21.
Nominal Inside Diameter (A)
4.762
mm

(Equiv. 0.187 in.)
Nominal Outside Diameter (B)
12.70
mm

(Equiv. 0.5 in.)
Nom. Section (C)
2.40
mm

(Equiv. 0.094 in.)
Size
10 UNC / UNF
Cup Washers - 4.762x12.7x2.4 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)   
Part Number: W0048-CU-013-024-S3 (100 Pcs)
Cup Washers - 4.762x12.7x2.4 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 09, 2025
$22.23 AUD
$26.67 AUD $22.23 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Nominal Inside Diameter (A)
4.762
mm

(Equiv. 0.187 in.)
Nominal Outside Diameter (B)
12.70
mm

(Equiv. 0.5 in.)
Nom. Section (C)
2.40
mm

(Equiv. 0.094 in.)
Size
10 UNC / UNF
Cup Washers - 4.762x12.7x2.4 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)   
Part Number: W0048-CU-013-024-S3 (100 Pcs)
Cup Washers - 4.762x12.7x2.4 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 09, 2025
$22.23 AUD
$26.67 AUD $22.23 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Nominal Inside Diameter (A)
5
mm

(Equiv. 0.197 in.)
Nominal Outside Diameter (B)
14.30
mm

(Equiv. 0.563 in.)
Nom. Section (C)
2.80
mm

(Equiv. 0.11 in.)
Size
M5 (5x0.8mm)
Cup Washers - 5x14.3x2.8 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)    Actual ID (Ref): 5.50 mm   
Part Number: W0050-CU-014-028-S3 (20 Pcs)
Cup Washers - 5x14.3x2.8 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer
17 units (340 pcs) Available Now | Further orders can be expected around Tue, Sep 09, 2025
$3.95 AUD
$7.25 AUD $3.95 AUD
Per 20
Quantity Required

17 units (340 pcs) Available Now. Backorder if more than 17.
Nominal Inside Diameter (A)
5
mm

(Equiv. 0.197 in.)
Nominal Outside Diameter (B)
14.30
mm

(Equiv. 0.563 in.)
Nom. Section (C)
2.80
mm

(Equiv. 0.11 in.)
Size
M5 (5x0.8mm)
Cup Washers - 5x14.3x2.8 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)    Actual ID (Ref): 5.50 mm   
Part Number: W0050-CU-014-028-S3 (20 Pcs)
Cup Washers - 5x14.3x2.8 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer
17 units (340 pcs) Available Now | Further orders can be expected around Tue, Sep 09, 2025
$3.95 AUD
$7.25 AUD $3.95 AUD
Per 20
Quantity Required

17 units (340 pcs) Available Now. Backorder if more than 17.
Nominal Inside Diameter (A)
6
mm

(Equiv. 0.236 in.)
Nominal Outside Diameter (B)
15.10
mm

(Equiv. 0.594 in.)
Nom. Section (C)
2.80
mm

(Equiv. 0.11 in.)
Size
M6
Cup Washers - 6x15.1x2.8 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)    Actual ID (Ref): 6.10 mm   
Part Number: W0060-CU-015-028-S3 (10 Pcs)
Cup Washers - 6x15.1x2.8 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer
220 units (2200 pcs) Available Now | Further orders can be expected around Tue, Sep 09, 2025
$3.95 AUD
$3.95 AUD
Per 10
Quantity Required

220 units (2200 pcs) Available Now. Backorder if more than 220.
Nominal Inside Diameter (A)
6
mm

(Equiv. 0.236 in.)
Nominal Outside Diameter (B)
15.10
mm

(Equiv. 0.594 in.)
Nom. Section (C)
2.80
mm

(Equiv. 0.11 in.)
Size
M6
Cup Washers - 6x15.1x2.8 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)    Actual ID (Ref): 6.10 mm   
Part Number: W0060-CU-015-028-S3 (10 Pcs)
Cup Washers - 6x15.1x2.8 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer
220 units (2200 pcs) Available Now | Further orders can be expected around Tue, Sep 09, 2025
$3.95 AUD
$3.95 AUD
Per 10
Quantity Required

220 units (2200 pcs) Available Now. Backorder if more than 220.
Nominal Inside Diameter (A)
7
mm

(Equiv. 0.276 in.)
Nominal Outside Diameter (B)
15.90
mm

(Equiv. 0.626 in.)
Nom. Section (C)
3.20
mm

(Equiv. 0.126 in.)
Size
M7
Cup Washers - 7x15.9x3.2 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)    Actual ID (Ref): 7.2 mm   
Part Number: W0070-CU-016-032-S3 (100 Pcs)
Cup Washers - 7x15.9x3.2 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 09, 2025
$27.32 AUD
$32.78 AUD $27.32 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Nominal Inside Diameter (A)
7
mm

(Equiv. 0.276 in.)
Nominal Outside Diameter (B)
15.90
mm

(Equiv. 0.626 in.)
Nom. Section (C)
3.20
mm

(Equiv. 0.126 in.)
Size
M7
Cup Washers - 7x15.9x3.2 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)    Actual ID (Ref): 7.2 mm   
Part Number: W0070-CU-016-032-S3 (100 Pcs)
Cup Washers - 7x15.9x3.2 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 09, 2025
$27.32 AUD
$32.78 AUD $27.32 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Nominal Inside Diameter (A)
8
mm

(Equiv. 0.315 in.)
Nominal Outside Diameter (B)
19.80
mm

(Equiv. 0.78 in.)
Nom. Section (C)
3.20
mm

(Equiv. 0.126 in.)
Size
M8, 5/16
Cup Washers - 8x19.8x3.2 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)    Actual ID (Ref): 8.2 mm   
Part Number: W0080-CU-020-032-S3
Cup Washers - 8x19.8x3.2 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Each
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Nominal Inside Diameter (A)
8
mm

(Equiv. 0.315 in.)
Nominal Outside Diameter (B)
19.80
mm

(Equiv. 0.78 in.)
Nom. Section (C)
3.20
mm

(Equiv. 0.126 in.)
Size
M8, 5/16
Cup Washers - 8x19.8x3.2 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)    Actual ID (Ref): 8.2 mm   
Part Number: W0080-CU-020-032-S3
Cup Washers - 8x19.8x3.2 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Each
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.