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1. Materai: Aluminum, Iron, Brass, or other customized requests SUS201,SUS304,SUS316,A2-70,A2-80,A4-80,4.8 6.8 8.8 10.9 12.9
2. Size: M4-M16
3. Standard: DIN GB ISO JIS BA ANSI
4. Certification: ISO9001, SGS, CTI, ROHS
5.Model: BLFAS-002
Q: What is the material of the self-tapping screw?
Answer: Self-tapping screws are used for non-metal or soft metal without bottom hole and tapping; self-tapping screws are pointed, so that they can be "self-tapping"; ordinary screws are flat and have the same thickness.
How is the surface treatment of the screw handled?
1, electroplating;
2, hot dip galvanizing;
3, machine clear plating.
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