| Material: | Carbon Steel |
|---|---|
| Type: | Countersunk Head |
| Groove: | Flower Word |
| Connection: | Common Bolt |
| Head Style: | Round |
| Standard: | DIN, GB, ANSI, BSW, JIS, GOST, Customizable |
| Samples: |
M4*10Cross slot hexagonal flat washer spring washe
|
|---|
| Customization: |
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