A307 Grade A Carriage Bolts

A307 Grade A Carriage Bolts


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A307 Grade A Carriage Bolts

A307 Grade A Carriage Bolts are manufactured from low carbon steel to meet or exceed ASTM A307 Grade A. Material is manufactured with rolled threads. Lengths out to 6 inches will be fully threaded. Lengths over 6 to 12 inches will have 6 inches of thread. Zinc plated material will meet or exceed ASTM F1941. Hot-Dip Galvanized material will meet or exceed ASTM A153. Typical hardness will range from HRB 69-100 and a minimum tensile strength of 60,000 psi is required.

A307 Grade A Carriage Bolts
A307 Grade A Carriage Bolts
Bolt
Diameter
DiameterHead DiameterHead HeightSquare WidthSquare Depth
Max.Min.Max.MinMaxMinMaxMin.MaxMin.
80.16400.1730.1570.3280.2980.1020.0830.1690.1550.1080.078
100.19000.1990.1820.4690.4360.1140.0940.1990.1850.1250.094
120.21600.2250.2060.5000.4680.1490.1250.2150.1970.1350.105
1/40.25000.2600.2370.5940.5630.1450.1250.2600.2450.1560.125
5/160.31250.3240.2980.7190.6880.1760.1560.3240.3070.1870.156
3/80.37500.3880.3600.8440.7820.2080.1880.3880.3680.2190.188
7/160.43750.4520.4210.9690.9070.2390.2190.4520.4310.2500.219
1/20.50000.5150.4831.0941.0320.2700.2500.5150.4920.2810.250
5/80.62500.6420.6051.3441.2190.3440.3130.6420.6160.3440.313
3/40.75000.7680.7291.5941.4690.4060.3750.7680.7410.4060.375

  • Finished Hex Nut
      
      
     

    Grade 2 Finished Hex Nuts

    ASTM A563 Grade A 
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    Grade 2 Finished Hex Nuts are manufactured from low carbon steel, 1008-1010 for diameters up to 1 inch (cold-formed) and 1045 steel for diameters over 1 inch (hot-formed). Material is manufactured to meet or exceed ASTM A563 Grade A. Zinc plated material will meet or exceed ASTM F1941. Hot-Dip Galvanized material will meet or exceed ASTM A563. Hot-Dip Galvanized nuts are over tapped per ASTM A563. Hardness requirements of HRB 68 - HRC 32 are met or exceeded. Proof load strength of 90,000 psi minimum is met for plain or zinc plated material, 68,000 psi for Hot-Dip Galvanized material.
  • Flat Washer
      
      
     

    USS Flat Washers

     
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    USS pattern flat washers are manufactured from low carbon steel to meet ASTM F844. Zinc plated material will meet or exceed ASTM F1941. Hot-Dip Galvanized material will meet or exceed ASTM A153.