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GB Carriage Bolt

  • Description
Product Detail

    Shanghai Jinrui Norm Parts Supplies Co.,Ltd is one of the leading gb carriage bolt manufacturers and suppliers in China, welcome to buy gb carriage bolts, gb standard carriage bolt from our factory and company.

    This standard of the GB carriage bolt stipulates the thread size from M5-M20. As the aquare neck,the depth of square shall be measured,parallel to th axis of bolt at the midpoint of the flats   of square,from the bottom of square to the bearing surface for bolts having flat bearing surface type heads,and to the intersectio of flats of square with the conical bearing surface for bolts having countersunk head.The corners of square neck may be rounded to the extent specified in the respective dimensional tables and need not be filled out for the total depth of square.

    Standard

    Material

    Finish

    Thread

    GB/T14

    carbon steel

    Plain

    UNC

    Zinc plated

    Alloy steel

    Yellow zinc plated

    PTFE

    Stainless steel

    Black

    UNF

    Dacromet

    Other

    HDG

    Other

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Shanghai Jinrui Norm Parts Supplies Co.,Ltd

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