10.9 Carbon Steel Material, 1mm Thread Pitch, Hex Key Hex Socket Countersunk Flat Head Key Bolts Screws.
Countersunk bolts is anti-corrosion,rustless,non-pollution and high-hardness.
It is widely used in industrial.
Countersunk bolts is anti-corrosion,rustless,non-pollution and high-hardness.
It is widely used in industrial.