15pcs M6x20mm 12.9 Grade Hex Socket Cap Left Hand Thread Screw Bolt Black AC Voltmeter They are used in almost

They are used in almost all sectors of industry

hand wheel is easy handle assembly

dinner and coffee table and so on

machinery equipment

15pcs M6x20mm 12.9 Grade Hex Socket Cap Left Hand Thread Screw Bolt Black AC Voltmeter They are used in almostMade of carbon Steel material,black oxide finish,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, you turn it clockwise. Used widely in home, office and factory appliance, communication equipments, ship assembly and other machinery industry.