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2pcs M6x12mm Flat Countersunk Head Hex Socket Left Hand Thread Bolt DIN7991
Description:
- Made of 40Cr Steel material,black oxide finish,hex socket flat 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.
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