M3 M4 M5 M6 M8 FLANGED BUTTON HEAD SCREWS BLACK ALLEN SOCKET BOLTS HIGH TENSILE
Flanged Button Head Screws. Flanged button head socket screws. Allen key size; 2.5mm. Allen key size; 3mm. Allen key size; 4mm. Allen key size; 5mm. High tensile grade 10.9. Allen key size; 6mm.