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:
M12~M14
Level:
9~10
Product features:
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The supporting surface of the part is cone or hemispherical, which is used to realize self-alignment with the wheel hub hole
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Friction coefficient stabilization
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Low clamping force attenuation after repeated disassembly of nut and wheel hub
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Parts have appearance requirements or matching decorations
