Washers - Flat - Commercial - Hardened Steel

12 Products in this selection
  • Medium carbon steel through hardened to RC 43-49. Zinc dichromate finish. All dimensions shows are minimum.
Additional resources:
Washers and Spacers PDF Catalogue
Round Through Bore Spacers
Screws
A more concise listing may be found on the Smallparts store at Washers - Flat - Commercial - Hardened Steel. Smallparts promote the most popular MBA products.
Nom. ID (A) Nom. OD (D) Thickness (T) Other Indicative
Image
Nom. ID (A)
6.35
mm

(0.25 in.)
Nom. OD (D)
15.74
mm

(0.62 in.)
Thickness (T)
2.29
mm

(0.09 in.)
1071814 | W0064-F-016-023-HS --- Flat Washers - 6.35x15.74x2.29 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Actual ID (Ref): 7.01 mm   
Part Number: W0064-F-016-023-HS Flat Washers - 6.35x15.74x2.29 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Wed, Jun 04, 2025
$1.50 AUD
$1.50 AUD
Each
Nom. ID (A) Nom. OD (D) Thickness (T) Other Indicative
Image
Nom. ID (A)
6.35
mm

(0.25 in.)
Nom. OD (D)
15.74
mm

(0.62 in.)
Thickness (T)
2.29
mm

(0.09 in.)
1071814 | W0064-F-016-023-HS --- Flat Washers - 6.35x15.74x2.29 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Actual ID (Ref): 7.01 mm   
Part Number: W0064-F-016-023-HS Flat Washers - 6.35x15.74x2.29 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Wed, Jun 04, 2025
$1.50 AUD
$1.50 AUD
Each
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Nom. ID (A)
7.94
mm

(0.313 in.)
Nom. OD (D)
17.29
mm

(0.681 in.)
Thickness (T)
2.29
mm

(0.09 in.)
1076957 | W0079-F-017-023-HS --- Flat Washers - 7.94x17.29x2.29 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Actual ID (Ref): 8.61 mm   
Part Number: W0079-F-017-023-HS Flat Washers - 7.94x17.29x2.29 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Wed, Jun 04, 2025
$1.86 AUD
$1.86 AUD
Each
Nom. ID (A)
7.94
mm

(0.313 in.)
Nom. OD (D)
17.29
mm

(0.681 in.)
Thickness (T)
2.29
mm

(0.09 in.)
1076957 | W0079-F-017-023-HS --- Flat Washers - 7.94x17.29x2.29 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Actual ID (Ref): 8.61 mm   
Part Number: W0079-F-017-023-HS Flat Washers - 7.94x17.29x2.29 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Wed, Jun 04, 2025
$1.86 AUD
$1.86 AUD
Each
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Nom. ID (A)
9.53
mm

(0.375 in.)
Nom. OD (D)
20.44
mm

(0.805 in.)
Thickness (T)
2.79
mm

(0.11 in.)
1086211 | W0095-F-020-028-HS --- Flat Washers - 9.53x20.44x2.79 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Actual ID (Ref): 10.18 mm   
Part Number: W0095-F-020-028-HS Flat Washers - 9.53x20.44x2.79 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Wed, Jun 04, 2025
$2.32 AUD
$2.32 AUD
Each
Nom. ID (A)
9.53
mm

(0.375 in.)
Nom. OD (D)
20.44
mm

(0.805 in.)
Thickness (T)
2.79
mm

(0.11 in.)
1086211 | W0095-F-020-028-HS --- Flat Washers - 9.53x20.44x2.79 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Actual ID (Ref): 10.18 mm   
Part Number: W0095-F-020-028-HS Flat Washers - 9.53x20.44x2.79 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Wed, Jun 04, 2025
$2.32 AUD
$2.32 AUD
Each
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Nom. ID (A)
11.11
mm

(0.437 in.)
Nom. OD (D)
23.24
mm

(0.915 in.)
Thickness (T)
2.79
mm

(0.11 in.)
Flat Washers - 11.11x23.24x2.79 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Actual ID (Ref): 11.78 mm   
Part Number: W0111-F-023-028-HS (5 Pcs) Flat Washers - 11.11x23.24x2.79 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Wed, Jun 04, 2025
$2.68 AUD
$2.68 AUD
Each
Nom. ID (A)
11.11
mm

(0.437 in.)
Nom. OD (D)
23.24
mm

(0.915 in.)
Thickness (T)
2.79
mm

(0.11 in.)
Flat Washers - 11.11x23.24x2.79 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Actual ID (Ref): 11.78 mm   
Part Number: W0111-F-023-028-HS (5 Pcs) Flat Washers - 11.11x23.24x2.79 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Wed, Jun 04, 2025
$2.68 AUD
$2.68 AUD
Each
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Nom. ID (A)
12.70
mm

(0.5 in.)
Nom. OD (D)
26.79
mm

(1.055 in.)
Thickness (T)
4.83
mm

(0.19 in.)
Flat Washers - 12.7x26.79x4.83 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Actual ID (Ref): 13.36 mm   
Part Number: W0127-F-027-048-HS Flat Washers - 12.7x26.79x4.83 mm - Carbon Spring Steel Self Finish
10 Available Immediately | Further orders can be expected around Wed, Jun 04, 2025
$6.05 AUD
$6.05 AUD
Each
Nom. ID (A)
12.70
mm

(0.5 in.)
Nom. OD (D)
26.79
mm

(1.055 in.)
Thickness (T)
4.83
mm

(0.19 in.)
Flat Washers - 12.7x26.79x4.83 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Actual ID (Ref): 13.36 mm   
Part Number: W0127-F-027-048-HS Flat Washers - 12.7x26.79x4.83 mm - Carbon Spring Steel Self Finish
10 Available Immediately | Further orders can be expected around Wed, Jun 04, 2025
$6.05 AUD
$6.05 AUD
Each
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Nom. ID (A)
14.30
mm

(0.563 in.)
Nom. OD (D)
29.48
mm

(1.161 in.)
Thickness (T)
4.27
mm

(0.168 in.)
Flat Washers - 14.3x29.48x4.27 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Actual ID (Ref): 14.96 mm   
Part Number: W0143-F-029-043-HS Flat Washers - 14.3x29.48x4.27 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Wed, Jun 04, 2025
$9.23 AUD
$9.23 AUD
Each
Nom. ID (A)
14.30
mm

(0.563 in.)
Nom. OD (D)
29.48
mm

(1.161 in.)
Thickness (T)
4.27
mm

(0.168 in.)
Flat Washers - 14.3x29.48x4.27 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Actual ID (Ref): 14.96 mm   
Part Number: W0143-F-029-043-HS Flat Washers - 14.3x29.48x4.27 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Wed, Jun 04, 2025
$9.23 AUD
$9.23 AUD
Each
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Nom. ID (A)
15.88
mm

(0.625 in.)
Nom. OD (D)
33.14
mm

(1.305 in.)
Thickness (T)
5.23
mm

(0.206 in.)
Flat Washers - 15.88x33.14x5.23 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Actual ID (Ref): 16.48 mm   
Part Number: W0159-F-033-052-HS Flat Washers - 15.88x33.14x5.23 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Wed, Jun 04, 2025
$12.32 AUD
$12.32 AUD
Each
Nom. ID (A)
15.88
mm

(0.625 in.)
Nom. OD (D)
33.14
mm

(1.305 in.)
Thickness (T)
5.23
mm

(0.206 in.)
Flat Washers - 15.88x33.14x5.23 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Actual ID (Ref): 16.48 mm   
Part Number: W0159-F-033-052-HS Flat Washers - 15.88x33.14x5.23 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Wed, Jun 04, 2025
$12.32 AUD
$12.32 AUD
Each
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Nom. ID (A)
19.05
mm

(0.75 in.)
Nom. OD (D)
36.93
mm

(1.454 in.)
Thickness (T)
5.23
mm

(0.206 in.)
Flat Washers - 19.05x36.93x5.23 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Actual ID (Ref): 20.52 mm   
Part Number: W0191-F-037-052-HS Flat Washers - 19.05x36.93x5.23 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Wed, Jun 04, 2025
$16.68 AUD
$16.68 AUD
Each
Nom. ID (A)
19.05
mm

(0.75 in.)
Nom. OD (D)
36.93
mm

(1.454 in.)
Thickness (T)
5.23
mm

(0.206 in.)
Flat Washers - 19.05x36.93x5.23 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Actual ID (Ref): 20.52 mm   
Part Number: W0191-F-037-052-HS Flat Washers - 19.05x36.93x5.23 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Wed, Jun 04, 2025
$16.68 AUD
$16.68 AUD
Each
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Nom. ID (A)
22.23
mm

(0.875 in.)
Nom. OD (D)
44.27
mm

(1.743 in.)
Thickness (T)
5.97
mm

(0.235 in.)
Flat Washers - 22.23x44.27x5.97 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Actual ID (Ref): 23.64 mm   
Part Number: W0222-F-044-060-HS Flat Washers - 22.23x44.27x5.97 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Wed, Jun 04, 2025
$16.14 AUD
$16.14 AUD
Each
Nom. ID (A)
22.23
mm

(0.875 in.)
Nom. OD (D)
44.27
mm

(1.743 in.)
Thickness (T)
5.97
mm

(0.235 in.)
Flat Washers - 22.23x44.27x5.97 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Actual ID (Ref): 23.64 mm   
Part Number: W0222-F-044-060-HS Flat Washers - 22.23x44.27x5.97 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Wed, Jun 04, 2025
$16.14 AUD
$16.14 AUD
Each
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Nom. ID (A)
25.40
mm

(1 in.)
Nom. OD (D)
50.62
mm

(1.993 in.)
Thickness (T)
5.97
mm

(0.235 in.)
Flat Washers - 25.4x50.62x5.97 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Actual ID (Ref): 26.79 mm   
Part Number: W0254-F-051-060-HS Flat Washers - 25.4x50.62x5.97 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Wed, Jun 04, 2025
$25.23 AUD
$25.23 AUD
Each
Nom. ID (A)
25.40
mm

(1 in.)
Nom. OD (D)
50.62
mm

(1.993 in.)
Thickness (T)
5.97
mm

(0.235 in.)
Flat Washers - 25.4x50.62x5.97 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Actual ID (Ref): 26.79 mm   
Part Number: W0254-F-051-060-HS Flat Washers - 25.4x50.62x5.97 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Wed, Jun 04, 2025
$25.23 AUD
$25.23 AUD
Each
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Nom. ID (A)
31.80
mm

(1.252 in.)
Nom. OD (D)
62.67
mm

(2.467 in.)
Thickness (T)
5.97
mm

(0.235 in.)
Flat Washers - 31.8x62.67x5.97 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Actual ID (Ref): 34.54 mm   
Part Number: W0318-F-063-060-HS Flat Washers - 31.8x62.67x5.97 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Wed, Jun 04, 2025
$29.32 AUD
$29.32 AUD
Each
Nom. ID (A)
31.80
mm

(1.252 in.)
Nom. OD (D)
62.67
mm

(2.467 in.)
Thickness (T)
5.97
mm

(0.235 in.)
Flat Washers - 31.8x62.67x5.97 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Actual ID (Ref): 34.54 mm   
Part Number: W0318-F-063-060-HS Flat Washers - 31.8x62.67x5.97 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Wed, Jun 04, 2025
$29.32 AUD
$29.32 AUD
Each
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Nom. ID (A)
38.10
mm

(1.5 in.)
Nom. OD (D)
76.20
mm

(3 in.)
Thickness (T)
6.35
mm

(0.25 in.)
Flat Washers - 38.1x76.2x6.35 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Actual ID (Ref): 41.27 mm   
Part Number: W0381-F-076-064-HS Flat Washers - 38.1x76.2x6.35 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Wed, Jun 04, 2025
$231.41 AUD
$231.41 AUD
Each
Nom. ID (A)
38.10
mm

(1.5 in.)
Nom. OD (D)
76.20
mm

(3 in.)
Thickness (T)
6.35
mm

(0.25 in.)
Flat Washers - 38.1x76.2x6.35 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Actual ID (Ref): 41.27 mm   
Part Number: W0381-F-076-064-HS Flat Washers - 38.1x76.2x6.35 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Wed, Jun 04, 2025
$231.41 AUD
$231.41 AUD
Each
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