Standard DIN 7985. M3 M4 M5 M6 CAP SCREWS HEXAGON SOCKET HEAD ALLEN KEY BOLTS A2 STAINLESS STEEL. M2 - 10MM ALLEN KEY GRUB SCREWS CUP POINT SCREWS STAINLESS STEEL A2 - DIN 916. M3 COUNTERSUNK ALLEN KEY BOLTS A2 STAINLESS STEEL DIN 7991 BOLT SOCKET SCREWS.
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