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Tri-Groove nut

Product Item : 003
Category： anti-theft nut
material:carbon steel
grade:grade4.8
size: M12
surface treatment:Zinc&chromate plated.
Product description：Tri-Groove nut is reusable, made of steel and can be easily fastened and removed using special sockets that mate with the grooves of the nut and fit standard drivers. The small footprint allows them t
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Product name	tri-groove security nut
Material	carbon steel
Grade	4.8, 6.8 , 8.8 / stainless steel
Surface treatment	zinc-plating, geomet, dacromet, black oxide, phosphatizing, powder coating and electrophoresis.
Standard	ISO, DIN, ANSI,
Size	M8,M10,M12,M16,M20,M24