Collection: Round head square neck screws (carriage bolts)
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DIN 603 Carriage Bolt 8.8 Zinc Plated
DIN 603 UNI ~5731 ISO 8677 -
Round head square neck bolt DIN 603 stainless steel A2
DIN 603 UNI ~5731 ISO 8677 -
Round head square neck bolt DIN 603 steel 4.8
DIN 603 UNI ~5731 ISO 8677 -
Round head square neck bolts with hex nut DIN 603/555 steel 4.8
DIN 603+555 UNI 5732 ISO 8677+4034