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ASTM A307 Carriage Bolts

Country/Region china
Company China NINGBO TAIDA FASTENER MANUFACTURE CO.,LTD
Categories Galvanized Bolts And Nuts
Telephone 0086-574-89088921
ICP License Issued by the Chinese Ministry
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    ASTM A307 Carriage Bolts

    Current position:ASTM A307 Carriage Bolts

    ASTM A307 Carriage Bolts

    • Description

    Carriage Bolts

    Carriage bolts (round head with square neck) are commonly used in wood connections. The square neck under the round head will seat into the hole in the wood to prevent the head from turning. Because they are used with wood, carriage bolts are rarely high strength and virtually always supplied in a standard ASTM A307 specification.

    Manufacturing

    Taida Fasteners manufactures carriage bolts from 1/2" diameter through 1-1/4" diameter in most ASTM, AASHTO, and SAE specifications. Special tooling can be created to produce nonstandard head dimensions, carriage bolts larger than 1" in diameter, or bolt heads with your company's name and/or logo.

    Standard Thread Length

    Bolt lengths6": Thread length = (2 X diameter) + 1/4"
    Bolt lengths > 6": Thread length = (2 X diameter) + 1/2"

    Note: Most stock carriage bolts have extended thread length.

    Stock

    Diameters: 3/8" - 3/4"
    Lengths: 18" maximum
    Origin: Import
    Finish: Black and hot-dip galvanized

    Dimensions

    Bolt DiameterDCHPF
    Body DiameterHead
    Diameter
    Head
    Height
    Square
    Width
    Square
    Depth
    MaxMinMaxMinMaxMinMaxMinMaxMin
    3/80.3880.3600.8440.7820.2080.1880.3880.3680.2190.188
    1/20.5150.4831.0941.0320.2700.2500.5150.4920.2810.250
    5/80.6420.6051.3441.2190.3440.3130.6420.6160.3440.313
    3/40.7680.7291.5941.4690.4060.3750.7680.7410.4060.375
    7/80.8950.8521.8441.7190.4690.4380.8950.8650.4690.438
    11.0220.9762.0941.9690.5310.5001.0220.9900.5310.500
    1-1/4*1.2772.8500.5310.5001.2500.625

    *Dimensions per ASME B18.5 1990 (R 1998) cover diameters up to 1". Bolts over 1" use custom head dimensions.

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