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| Standard | DIN, BS, ANSI, JIS, GB and so on |
| Head Type | Flat Head, Pan Head, Countersunk Head, Round Cone Head, Hex Head, etc. |
| Raw Material | Carbon Steel (C1008, C1010, C1022), Aluminum, Steel (35K, 45K), Stainless Steel (SS304, SS316), Brass, Copper |
| Surface finish | Zinc Plated, Ni Plated, Brass Plated, Tin Plated, Black Plated |
| Process | Cold-Heading, CNC, Stamping, Die-Casting |
| Certifications | ISO9001, ROHS, SGS |
| Lead Time | 15-30 days, according to quantity |
| Warranty Policy | 99.9% quality satisfaction, 6-month quality warranty |