Carriage screws, round head square neck bolts, rack screws, zinc plated carriage bolts, ASME/ANSI B1

Dimensions: M8-M16

Standard Designation: ASME/ANSI B18.5-2-2008

Material Grade: Carbon Steel

Head Style: Half head

  • ASME/ANSI B18.5-2-2008
    Carriage bolts are divided into large semicircular head carriage bolts and small semicircular head carriage bolts according to the size of the head. Carriage bolts are a type of fastener consisting of a head and a screw (a cylinder with external threads). They need to be matched with nuts to fasten and connect two parts with through holes.
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