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DIN 603, ISO 8677, UNI 5731 carriage bolts (mushroom head square neck bolts screws)
DIN 603 sim, ISO 8677 sim, UNI 5732 carriage bolts and nut (mushroom head square neck bolts screws)
Half round head chipboard screws
Screws for carpentry with half round, truss with hexalobular TX socket
Screws for fixing hinges and strips, with hexalobular TX groove, fully threaded