Washers - Cup - Stainless Steel

6 Products in this selection
  • For countersunk screws.
  • Stainless Steel cup washers.
Additional resources:
Screws
A more concise listing may be found on the Smallparts store at Washers - Cup - Stainless Steel. Smallparts promote the most popular MBA products.
Nom. ID (A) Nom. OD (B) Nom. Section (C) Size Indicative
Image
Nom. ID (A)
3.5
mm

(0.138 in.)
Nom. OD (B)
10.30
mm

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

(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
21 units (210 pcs) Available Immediately | Further orders can be expected around Fri, Jul 11, 2025
$3.59 AUD
$3.59 AUD
Per 10
Nom. ID (A) Nom. OD (B) Nom. Section (C) Size Indicative
Image
Nom. ID (A)
3.5
mm

(0.138 in.)
Nom. OD (B)
10.30
mm

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

(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
21 units (210 pcs) Available Immediately | Further orders can be expected around Fri, Jul 11, 2025
$3.59 AUD
$3.59 AUD
Per 10
View the product page first if you are unsure.
Nom. ID (A)
4.762
mm

(0.187 in.)
Nom. OD (B)
12.70
mm

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

(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
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
$34.14 AUD
$34.14 AUD
Per 100
Nom. ID (A)
4.762
mm

(0.187 in.)
Nom. OD (B)
12.70
mm

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

(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
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
$34.14 AUD
$34.14 AUD
Per 100
View the product page first if you are unsure.
Nom. ID (A)
5
mm

(0.197 in.)
Nom. OD (B)
14.30
mm

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

(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
17 units (340 pcs) Available Immediately | Further orders can be expected around Fri, Jul 11, 2025
$7.50 AUD
$7.50 AUD
Per 20
Nom. ID (A)
5
mm

(0.197 in.)
Nom. OD (B)
14.30
mm

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

(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
17 units (340 pcs) Available Immediately | Further orders can be expected around Fri, Jul 11, 2025
$7.50 AUD
$7.50 AUD
Per 20
View the product page first if you are unsure.
Nom. ID (A)
6
mm

(0.236 in.)
Nom. OD (B)
15.10
mm

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

(0.11 in.)
Size
M6
1066774 | W0060-CU-015-028-S3 (10 Pcs) --- 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
220 units (2200 pcs) Available Immediately | Further orders can be expected around Fri, Jul 11, 2025
$4.14 AUD
$4.14 AUD
Per 10
Nom. ID (A)
6
mm

(0.236 in.)
Nom. OD (B)
15.10
mm

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

(0.11 in.)
Size
M6
1066774 | W0060-CU-015-028-S3 (10 Pcs) --- 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
220 units (2200 pcs) Available Immediately | Further orders can be expected around Fri, Jul 11, 2025
$4.14 AUD
$4.14 AUD
Per 10
View the product page first if you are unsure.
Nom. ID (A)
7
mm

(0.276 in.)
Nom. OD (B)
15.90
mm

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

(0.126 in.)
Size
M7
1075032 | W0070-CU-016-032-S3 (100 Pcs) --- 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
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
$42.05 AUD
$42.05 AUD
Per 100
Nom. ID (A)
7
mm

(0.276 in.)
Nom. OD (B)
15.90
mm

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

(0.126 in.)
Size
M7
1075032 | W0070-CU-016-032-S3 (100 Pcs) --- 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
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
$42.05 AUD
$42.05 AUD
Per 100
View the product page first if you are unsure.
Nom. ID (A)
8
mm

(0.315 in.)
Nom. OD (B)
19.80
mm

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

(0.126 in.)
Size
M8, 5/16
1080944 | W0080-CU-020-032-S3 --- 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
1 Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Each
Nom. ID (A)
8
mm

(0.315 in.)
Nom. OD (B)
19.80
mm

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

(0.126 in.)
Size
M8, 5/16
1080944 | W0080-CU-020-032-S3 --- 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
1 Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Each