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Product Specifications:
| Item | Lock Washer |
| Class | Not Applicable |
| Dimensional Standards | Asme B18.21.1 |
| Finish | Zinc Plated |
| Fits Bolt Size | 5/8" |
| For Screw Size | 5/8" |
| Grade | Non Graded |
| Hardness | Rockwell C40-C50 |
| Inside Dia. | 0.641" |
| Lock Washer Type | External Tooth Lock |
| Material | Steel |
| Material Grade/class | Ungraded |
| Max. Thickness | 0.042" |
| Outside Dia. | 1.045" |
| Rockwell Hardness | C40 to 50 |
| System Of Measurement | Imperial |
| Thickness | 0.042" |
| Type | External Tooth Lock |
Shipping Info:
| Ship weight (kg) | 0.02 |
| Ship height (cm) | 1.27 |
| Ship length (cm) | 16.99 |
| Ship width (cm) | 16.38 |
| HS code | 7318210090 |
| Country of Origin | TW |
Product Variants
| Product | Model | Fits Bolt Size | Thickness | For Screw Size | Max. Thickness | Thickness Tolerance | Lock Washer Type | Hardness | Rockwell Hardness | Pkg. Qty. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
U37420.037.0001 | 3/8" | 0.032" | 3/8" | 0.032" | - | External Tooth Lock | Rockwell C40-C50 | C40 to C50 | 50 | €4.75 | |
![]() |
U37420.043.0001 | 7/16" | 0.032" | 7/16" | 0.032" | - | External Tooth Lock | Rockwell C40-C50 | C40 to C50 | 25 | €2.86 | |
![]() |
U37420.050.0001 | 1/2" | 0.037" | 1/2" | 0.037" | - | External Tooth Lock | Rockwell C40-C50 | C40 to C50 | 25 | €4.01 | |
![]() |
U37420.056.0001 | 9/16" | 0.037" | 9/16" | 0.037" | - | External Tooth Lock | Rockwell C40-C50 | C40 to C50 | 25 | €5.49 | |
![]() |
U37420.075.0001 | 3/4" | 0.047" | 3/4" | 0.047" | - | External Tooth Lock | Rockwell C40-C50 | C40 to C50 | 10 | €4.74 | |
![]() |
M37420.030.0001 | M3 | 0.4 mm | M3 | 0.4 mm | - | External Tooth Lock | Rockwell C38-C46 | C38 to C46 | 100 | €6.46 | |
![]() |
M37420.040.0001 | M4 | 0.5 mm | M4 | 0.5 mm | - | External Tooth Lock | Rockwell C38-C46 | C38 to C46 | 100 | €6.81 |
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APPROVED VENDOR U37420.062.0001 Lock Washer, 5/8 In Fits Bolt Size, External Tooth Lock, 1.045 In O.D., Zn Plated
€3.50 /pack







