M16x45mm Thread 12.9 Grade External Hex Head Left Hand Screw Bolt DIN933
Description: Made of carbon steel material,black oxide finish,external hex head,left hand reverse thread design. Fixing component, industrial and construction fasteners. To tighten a reverse threaded screw, you turn it counter clockwise.To loosen a reverse threaded screw, you turn it clockwise. Used widely in home, office and factory appliance, communication equipments, ship assembly and other machinery industry.
5pcs M8x16mm Thread 12.9 Grade External Hex Head Left Hand Screw Bolt Black
Description: Made of carbon steel material,black oxide finish,external hex head,left hand reverse thread design. Fixing component, industrial and construction fasteners. To tighten a reverse threaded screw, you turn it counter clockwise.To loosen a reverse threaded screw, you turn it clockwise. Used widely in home, office and factory appliance, communication equipments, ship assembly and other machinery industry.