• Rolled Thread 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.
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Item #

Description

Nominal Size or Basic Product Dia.

Max. (E)

Basic (F)

Max. (G)

Basic (H)

Max. (R)

N/A Hex Bolt, 1/4" Nominal Dia. N/A 1/4 in N/A 0.260 in N/A 7/16 in N/A 0.505 in N/A 11/64 in N/A 0.03 in
N/A Hex Bolt, 5/16" Nominal Dia. N/A 5/16 in N/A 0.324 in N/A 1/2 in N/A 0.577 in N/A 7/32 in N/A 0.03 in
N/A Hex Bolt, 3/8" Nominal Dia. N/A 3/8 in N/A 0.388 in N/A 9/16 in N/A 0.650 in N/A 1/4 in N/A 0.03 in
N/A Hex Bolt, 7/16" Nominal Dia. N/A 7/16 in N/A 0.452 in N/A 5/8 in N/A 0.722 in N/A 19/64 in N/A 0.03 in
N/A Hex Bolt, 1/2" Nominal Dia. N/A 1/2 in N/A 0.515 in N/A 3/4 in N/A 0.866 in N/A 11/32 in N/A 0.03 in
N/A Hex Bolt, 5/8" Nominal Dia. N/A 5/8 in N/A 0.642 in N/A 15/16 in N/A 1.083 in N/A 27/64 in N/A 0.06 in
N/A Hex Bolt, 3/4" Nominal Dia. N/A 3/4 in N/A 0.768 in N/A 1-1/8 in N/A 1.299 in N/A 1/2 in N/A 0.06 in
N/A Hex Bolt, 7/8" Nominal Dia. N/A 7/8 in N/A 0.895 in N/A 1-5/16 in N/A 1.516 in N/A 37/64 in N/A 0.06 in
N/A Hex Bolt, 1" Nominal Dia. N/A 1 in N/A 1.022 in N/A 1-1/2 in N/A 1.732 in N/A 43/64 in N/A 0.09 in
N/A Hex Bolt, 1-1/8" Nominal Dia. N/A 1-1/8 in N/A 1.149 in N/A 1-11/16 in N/A 1.949 in N/A 3/4 in N/A 0.09 in
N/A Hex Bolt, 1-1/4" Nominal Dia. N/A 1-1/4 in N/A 1.277 in N/A 1-7/8 in N/A 2.165 in N/A 27/32 in N/A 0.09 in
N/A Hex Bolt, 1-3/8" Nominal Dia. N/A 1-3/8 in N/A 1.404 in N/A 2-1/16 in N/A 2.382 in N/A 29/32 in N/A 0.09 in
N/A Hex Bolt, 1-1/2" Nominal Dia. N/A 1-1/2 in N/A 1.531 in N/A 2-1/4 in N/A 2.598 in N/A 1 in N/A 0.09 in
N/A Hex Bolt, 1-3/4" Nominal Dia. N/A 1-3/4 in N/A 1.785 in N/A 2-5/8 in N/A 3.031 in N/A 1-5/32 in N/A 0.12 in
N/A Hex Bolt, 2" Nominal Dia. N/A 2 in N/A 2.039 in N/A 3 in N/A 3.464 in N/A 1-11/32 in N/A 0.12 in
N/A Hex Bolt, 2-1/4" Nominal Dia. N/A 2-1/4 in N/A 2.305 in N/A 3-3/8 in N/A 3.897 in N/A 1-1/2 in N/A 0.19 in
N/A Hex Bolt, 2-1/2" Nominal Dia. N/A 2-1/2 in N/A 2.559 in N/A 3-3/4 in N/A 4.330 in N/A 1-21/32 in N/A 0.19 in
N/A Hex Bolt, 2-3/4" Nominal Dia. N/A 2-3/4 in N/A 2.827 in N/A 4-1/8 in N/A 4.763 in N/A 1-13/16 in N/A 0.19 in
N/A Hex Bolt, 3" Nominal Dia. N/A 3 in N/A 3.081 in N/A 4-1/2 in N/A 5.196 in N/A 2 in N/A 0.19 in
N/A Hex Bolt, 3-1/4" Nominal Dia. N/A 3-1/4 in N/A 3.335 in N/A 4-7/8 in N/A 5.629 in N/A 2-3/16 in N/A 0.19 in
N/A Hex Bolt, 3-1/2" Nominal Dia. N/A 3-1/2 in N/A 3.589 in N/A 5-1/4 in N/A 6.062 in N/A 2-5/16 in N/A 0.19 in
N/A Hex Bolt, 3-3/4" Nominal Dia. N/A 3-3/4 in N/A 3.858 in N/A 5-5/8 in N/A 6.495 in N/A 2-1/2 in N/A 0.19 in
N/A Hex Bolt, 4" Nominal Dia. N/A 4 in N/A 4.111 in N/A 6 in N/A 6.928 in N/A 2-11/16 in N/A 0.19 in
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