8.8 Grade M12x40mm Full Threaded Left Hand Thread Hex Head Bolt Black 2pcs M8x130mm M3x45mm hex socket head cap

M3x45mm hex socket head cap and 304 stainless steel material

1 Pcs 130mm Speaker Dust Cap

Surface plating treatment with a bright surface for corrosion resistance

large tension

Material: Zinc Alloy Chrome Finish

8.8 Grade M12x40mm Full Threaded Left Hand Thread Hex Head Bolt Black 2pcs M8x130mm M3x45mm hex socket head capMade of carbon steel material,black oxide finish,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.