Carriage bolts have a round head and square neck that prevents the bolt from turning when the nut is tightened. carriage bolts are used in wood or metal construction applications where the square neck grips into the part being fixed preventing the head from turning.

This item 304 stainless steel flat washers set 400 pcs, 8 sizem2 m2.5 m3 m4 m5 m6 m8 m10 304 stainless steel flat washers set 580 pieces, 9 sizesm2 m2.5 m3 m4 m5 m6 m8 m10 m12 suitable for home decoration, factories repair, kitchens, shops and outdoor construction

Hexagon flange bolts din 6921. steel grades: 8.8, 10.9 finish: self, black, bright zinc, hot dip galvanized

Din 933hexagon head bolts with thread up to head current norm: din en 24017 equivalent norms: iso 4017; csn 021103; pn 82105; uni 5739; eu 24017;

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