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Product Specifications:
| Item | Flat Washer |
| Dimensional Standards | ASME B18.22.1 |
| Finish | Zinc Plated |
| Fits Bolt Size | 1/4" |
| Flat Washer Type | Oversized |
| For Screw Size | 1/4" |
| Inside Dia. | 0.281" , 9/32" |
| Inside Dia. Tolerance | 0.276" to 0.296" |
| Made In North America | No |
| Material | Steel |
| Material Grade/class | Through Hardened |
| Material Quality Standards | Astm A-325 |
| Max. Temp. | 350°C |
| Max. Thickness | 0.094" |
| Min. Temp. | -58°C |
| Min. Thickness | 0.094" |
| Outside Dia. | 5/8" |
| Outside Dia. Tolerance | 0.62" to 0.64" |
| Reach Compliant | Yes |
| Removable | Yes |
| Rockwell Hardness | 300Hv |
| Rohs Compliant | Yes |
| System Of Measurement | Imperial |
| Temp. | -58°F to +302°F |
| Thickness | 0.094" |
| Thickness Tolerance | 0.08" to 0.11" |
| Washer Type | Oversized Washer |
Shipping Info:
| Ship weight (kg) | 0.3 |
| 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 | Thickness Tolerance | Inside Dia. Tolerance | Outside Dia. Tolerance | Pkg. Qty. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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U38405.050.0001 | 1/2" | 13/64" | 0.203" | 0.203" | 1/2" | -0.013" to +0.005" | - | - | 50 | €56.54 | |
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U38405.031.0001 | 5/16" | 0.094" | 0.094" | 0.094" | 5/16" | 0.075" to 0.113" | 0.339" to 0.359" | 0.681" to 0.718" | 100 | €8.98 | |
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U38405.037.0001 | 3/8" | 1/8" | 1/8" | 1/8" | 3/8" | 0.106" to 0.14" | 0.401" to 0.421" | 0.806" to 0.843" | 100 | €17.65 | |
![]() |
U38405.043.0001 | 7/16" | 1/8" | 1/8" | 1/8" | 7/16" | 0.106" to 0.141" | 0.464" to 0.484" | 0.899" to 0.936" | 50 | €10.52 | |
![]() |
U38405.056.0001 | 9/16" | 0.156" | 0.172" | 0.172" | 9/16" | 0.146" to 0.198" | 0.589" to 0.609" | 1.151" to 1.171" | 25 | €12.61 | |
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U38405.062.0001 | 5/8" | 0.156" | 0.219" | 0.219" | 5/8" | 0.2" to 0.216" | 0.651" to 0.671" | 1.306" to 1.343" | 25 | €18.84 | |
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U38405.087.0001 | 7/8" | 1/4" | 1/4" | 1/4" | 7/8" | 0.224" to 0.276" | 0.931" to 0.953" | 1.743" to 1.765" | 10 | €17.83 |
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APPROVED VENDOR U38405.025.0001 Flat Washer, 1/4 In Fits Bolt Size, Oversized, 9/32 In I.D., 5/8 In O.D., Steel
€7.58 /pack







