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Product Specifications:
| Item | Flat Washer |
| Dimensional Standards | ASME B18.22.1 |
| Finish | Plain |
| Fits Bolt Size | 1 1/4" |
| Flat Washer Type | Oversized |
| For Screw Size | 1 1/4" |
| Inside Dia. | 1 9/32" , 1.281" |
| Inside Dia. Tolerance | 1.274" to 1.311" |
| Made In North America | No |
| Material | Steel |
| Material Grade/class | Case Hardened |
| Material Quality Standards | Astm A-325 |
| Max. Temp. | 350°C |
| Max. Thickness | 0.281" |
| Min. Temp. | -58°C |
| Min. Thickness | 0.281" |
| Outside Dia. | 2 1/2" |
| Outside Dia. Tolerance | 2.493" to 2.53" |
| Reach Compliant | Yes |
| Removable | Yes |
| Rockwell Hardness | 200Hv |
| Rohs Compliant | Yes |
| System Of Measurement | Imperial |
| Temp. | -58°F to +302°F |
| Thickness | 0.281" |
| Thickness Tolerance | 0.265" to 0.297" |
| Washer Type | Oversized Washer |
Shipping Info:
| Ship weight (kg) | 0.61 |
| Ship height (cm) | 1.27 |
| Ship length (cm) | 16.99 |
| Ship width (cm) | 16.38 |
| HS code | 7318220000 |
| Country of Origin | TW |
Product Variants
| Product | Model | Fits Bolt Size | Thickness | Min. Thickness | Max. Thickness | For Screw Size | Material Grade/class | Thickness Tolerance | Inside Dia. Tolerance | Pkg. Qty. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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U38403.100.0001 | 1" | 0.156" | 0.188" | 0.188" | 1" | Case Hardened | 0.17" to 0.208" | 1.093" to 1.024" | 5 | €8.39 | |
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U38403.112.0001 | 1 1/8" | 0.156" | 0.219" | 0.219" | 1 1/8" | Case Hardened | 0.19" to 0.248" | 1.149" to 1.186" | 5 | €11.97 | |
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Z9285 | 1/4" | 0.14" | 0.13" | 0.15" | 1/4" | Grade 2 | -0.02" to +0.005" | -0.01" to +0.01" | 10 | €51.77 | |
![]() |
Z9286 | 5/16" | 0.14" | 0.13" | 0.15" | 5/16" | Grade 2 | -0.02" to +0.005" | -0.01" to +0.01" | 10 | €28.27 | |
![]() |
Z9287 | 3/8" | 0.14" | 0.13" | 0.15" | 3/8" | Grade 2 | -0.02" to +0.005" | -0.01" to +0.01" | 5 | €14.13 | |
![]() |
Z9289 | 1/2" | 0.156" | 0.146" | 0.166" | 1/2" | Grade 2 | -0.02" to +0.005" | -0.01" to +0.01" | 5 | €24.31 | |
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Z9290 | 5/8" | 0.156" | 0.146" | 0.166" | 5/8" | Grade 2 | -0.02" to +0.005" | -0.01" to +0.01" | 5 | €39.19 |
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APPROVED VENDOR U38403.125.0001 Flat Washer, 1 1/4 In Fits Bolt Size, Oversized, 1 9/32 In I.D., Blk Oxide
€13.39 /pack







