Mechanical parts, cylindrical threaded fasteners for nuts. A fastener consisting of a head and a screw (a cylinder with external threads) in two parts, to be fitted with a nut, for fastening two parts with a through hole.
Specifications:
Outer Diameter: Φ54 ~ 72
Level:
Surface Hardness: 200~620HV
Product Features:
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The surface of the parts has high hardness and low friction coating, which has good wear resistance and lubrication effect
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The parts have low hardness, and the parts have good toughness and fatigue resistance
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The parts are thin and lightweight, with a relatively high requirements for flatness
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Designed with anti-detachment notches
