10.9 Grade M6x12mm Round Head Inner Hex Socket Left Hand Thread Bolt 2pcs

Description:

• Made of 40Cr Steel material,black oxide finish, inner hex socket 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, turn it clockwise.
• Used widely in home, office and factory appliance, communication equipments, ship assembly and other machinery industry.