BUTTON HEAD SCREWS ALLEN SOCKET BOLTS ZINC PLATED HIGH TENSILE M3 M4 M5 M6 M8
Button Head Socket Screws. Button head screws with Allen key drive socket. High Tensile Grade 10.9. Bright Zinc Plated (BZP). Allen Key Size; 2mm. Allen Key Size; 2.5mm. Allen Key Size; 3mm. High tensile grade 10.9 steel.