• Rolled Thread Heavy Hex Bolts
  • Surface Condition. Bolts need not be finished on any surface except threads.
  • Top of Head. Top of head shall be full form and chamfered with the diameter of chamfer circle being equal to the maximum width across flats, within a tolerance of minus 15 percent.
  • Head Taper. Maximum width across flats and across corners shall not be exceeded. No transverse section through the head between 25 percent and 75 percent of actual head height, as measured from the bearing surface, shall be less than the minimum width across flats and across corners.
  • Bearing Surface. A die seam across the bearing surface is permissible. Bearing surface shall be perpendicular to the axis of the body within a tolerance of 3 deg for 1 in. size and smaller, and 2 deg for sizes larger than 1 in. Angularity measurement shall be taken at a location to avoid interference from a die seam.
  • True Position of Head. The axis of the head shall be located at true position with respect to the axis of the body (determined over a distance under the head equal to one diameter) within a tolerance zone having a diameter equivalent to 6 percent of the maximum width across flats, regardless of feature size.
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Description

Nominal Size or Basic Product Dia.

Max. (E)

Basic (F)

Max. (G)

Basic (H)

Max. (R)

N/A Heavy Hex Bolt, 1/2" Nominal Dia. N/A 1/2 in N/A 0.515 in N/A 7/8 in N/A 1.010 in N/A 11/32 in N/A 0.03 in
N/A Heavy Hex Bolt, 5/8" Nominal Dia. N/A 5/8 in N/A 0.642 in N/A 11/16 in N/A 1.227 in N/A 27/64 in N/A 0.06 in
N/A Heavy Hex Bolt, 3/4" Nominal Dia. N/A 3/4 in N/A 0.768 in N/A 1-1/4 in N/A 1.443 in N/A 1/2 in N/A 0.06 in
N/A Heavy Hex Bolt, 7/8" Nominal Dia. N/A 7/8 in N/A 0.895 in N/A 1-7/16 in N/A 1.660 in N/A 37/64 in N/A 0.06 in
N/A Heavy Hex Bolt, 1" Nominal Dia. N/A 1 in N/A 1.022 in N/A 1-5/8 in N/A 1.876 in N/A 43/64 in N/A 0.09 in
N/A Heavy Hex Bolt, 1-1/8" Nominal Dia. N/A 1-1/8 in N/A 1.149 in N/A 1-13/16 in N/A 2.093 in N/A 3/4 in N/A 0.09 in
N/A Heavy Hex Bolt, 1-1/4" Nominal Dia. N/A 1-1/4 in N/A 1.277 in N/A 2 in N/A 2.309 in N/A 27/32 in N/A 0.09 in
N/A Heavy Hex Bolt, 1-3/8" Nominal Dia. N/A 1-3/8 in N/A 1.404 in N/A 2-3/16 in N/A 2.526 in N/A 29/32 in N/A 0.09 in
N/A Heavy Hex Bolt, 1-1/2" Nominal Dia. N/A 1-1/2 in N/A 1.531 in N/A 2-3/8 in N/A 2.742 in N/A 1 in N/A 0.09 in
N/A Heavy Hex Bolt, 1-3/4" Nominal Dia. N/A 1-3/4 in N/A 1.785 in N/A 2-3/4 in N/A 3.175 in N/A 1-5/32 in N/A 0.12 in
N/A Heavy Hex Bolt, 2" Nominal Dia. N/A 2 in N/A 2.039 in N/A 3-1/8 in N/A 3.608 in N/A 1-11/32 in N/A 0.12 in
N/A Heavy Hex Bolt, 2-1/4" Nominal Dia. N/A 2-1/4 in N/A 2.305 in N/A 3-1/2 in N/A 4.041 in N/A 1-1/2 in N/A 0.19 in
N/A Heavy Hex Bolt, 2-1/2" Nominal Dia. N/A 2-1/2 in N/A 2.559 in N/A 3-7/8 in N/A 4.474 in N/A 1-21/32 in N/A 0.19 in
N/A Heavy Hex Bolt, 2-3/4" Nominal Dia. N/A 2-3/4 in N/A 2.827 in N/A 4-1/4 in N/A 4.907 in N/A 1-13/16 in N/A 0.19 in
N/A Heavy Hex Bolt, 3" Nominal Dia. N/A 3 in N/A 3.081 in N/A 4-5/8 in N/A 5.340 in N/A 2 in N/A 0.19 in
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