Product Feature:
1. DIN standard:
7504K: Hex washer head self-drilling screw, Hex flange head self-drilling screw
7504P:Phillips Countersunk head self-drilling screw
7504N:Phillips Pan head self-drilling 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

Advantage:
1. High hardness
2. High and low temperature resistant
3. Multicolor choose
4. Competitive Price
5. Superior Quality, TUV CERT ISO9001:2000 quality assurance
6. Artificial stone without any radiation
7. Punctual Delivery
8. Supply wooden pallet
9. Meet different market’s need: America, Europe, Asia, and so on.