Button Head Socket Cap Screws 12.9 Grade Bolts Allen Screw Black M3 M4 M5 M6 M8

Specification：M3 M4 M5 M6 M8. Countersunk Head Screw Nickel Plated Flat Tail Self Tapping Screws M1.4 - M4. Material: Grade 12.9 Carbon Steel.

eBay