Standard DIN 7982. M3 COUNTERSUNK ALLEN KEY BOLTS A2 STAINLESS STEEL DIN 7991 BOLT SOCKET SCREWS. Model Countersunk Wood Screws. Shape Countersunk. M3 M4 M5 M6 CAP SCREWS HEXAGON SOCKET HEAD ALLEN KEY BOLTS A2 STAINLESS STEEL.
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