M5x8mm 10.9 Carbon Steel Countersunk Head Hex Socket Screw Black 50pcs
Description: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.