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Product Specifications:
| Item | Lock Washer |
| Class | Not Applicable |
| Color | Bronze |
| Dimensional Standards | Asme B18.21.1 |
| Finish | Plain |
| Fits Bolt Size | 1/4" |
| For Screw Size | 1/4" |
| For Use With | Large Round, Pan, Or Binding Head Screws |
| Grade | Non Graded |
| Hardness | Rockwell B90 |
| Inside Dia. | 0.267" |
| Lock Washer Type | External Tooth Lock |
| Material | Phosphor Bronze |
| Material Grade/class | Ungraded |
| Max. Thickness | 0.028" |
| Outside Dia. | 0.51" |
| Rockwell Hardness | B90 |
| System Of Measurement | Imperial |
| Thickness | 0.028" |
| Thickness Tolerance | 0.023" to 0.028" |
| Type | External Tooth Lock |
Shipping Info:
| Ship weight (kg) | 0.34 |
| Ship height (cm) | 1.27 |
| Ship length (cm) | 16.99 |
| Ship width (cm) | 16.38 |
| HS code | 7415210000 |
| Country of Origin | CN |
Product Variants
| Product | Model | Fits Bolt Size | Thickness | For Screw Size | Max. Thickness | Thickness Tolerance | Hardness | Rockwell Hardness | For Use With | Pkg. Qty. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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U50450.011.0001 | #4 | 0.018" | #4 | 0.018" | 0.012" to 0.018" | Rockwell B90 | B90 | Small Screw Heads | 100 | €13.19 | |
![]() |
U50450.013.0001 | #6 | 0.022" | #6 | 0.022" | 0.016" to 0.022" | Rockwell B90 | B90 | Small Screw Heads | 100 | €9.89 | |
![]() |
U50450.016.0001 | #8 | 0.023" | #8 | 0.023" | 0.018" to 0.023" | Rockwell B90 | B90 | Small Screw Heads | 100 | €26.38 | |
![]() |
U50450.019.0001 | #10 | 0.024" | #10 | 0.024" | 0.018" to 0.024" | Rockwell B90 | B90 | Small Screw Heads | 100 | €33.26 | |
![]() |
U50450.050.0001 | 1/2" | 0.045" | 1/2" | 0.045" | 0.037" to 0.045" | Rockwell B90 | B90 | Large Round, Pan, Or Binding Head Screws | 25 | €55.94 | |
![]() |
U50450.031.0001 | 5/16" | 0.028" | 5/16" | 0.028" | - | Rockwell C50 | C50 | - | 100 | €31.60 | |
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U50450.037.0001 | 3/8" | 0.032" | 3/8" | 0.032" | - | Rockwell C50 | C50 | - | 50 | €30.11 |
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APPROVED VENDOR U50450.025.0001 Lock Washer, 1/4 In Fits Bolt Size, External Tooth Lock, 0.51 In O.D., Plain
€33.65 /pack






