Product Description
1. Standard:
DIN6928: Hex washer head self-tapping screw
DIN7982: Countersunk head self-tapping screw
DIN7981: Pan head self-tapping screw
2. Material: carbon steel(C1022), stainless steel(SS304,SS302,SS316,SS316L)
3. Surface treatment: zinc plated, Cr3+Cr6+Zinc plated, black, head colored dacromet, HDG etc.
4. Thread: AB Type , A type
5. Size: 3.5x16mm – 6.3x150mm