• 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.
  • Wrenching Height, J. Wrenching height is a distance measured from the bearing surface up the side of the head at the corners. The width across corners shall be within specified limits for the full wrenching height.
  • Bearing Surface. Bearing surface shall be flat and washer
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Item #

Description

Nominal Size or Basic Product Dia.

Max. (E)

Basic (F)

Max. (G)

Basic (H)

Min. (J)

N/A Hex Cap Screw, 1/4" Nominal Dia. N/A 1/4 in N/A 0.2500 in N/A 7/16 in N/A 0.505 in N/A 5/32 in N/A 0.106 in
N/A Hex Cap Screw, 5/16" Nominal Dia. N/A 5/16 in N/A 0.3125 in N/A 1/2 in N/A 0.577 in N/A 13/64 in N/A 0.140 in
N/A Hex Cap Screw, 3/8" Nominal Dia. N/A 3/8 in N/A 0.3750 in N/A 9/16 in N/A 0.650 in N/A 15/64 in N/A 0.160 in
N/A Hex Cap Screw, 7/16" Nominal Dia. N/A 7/16 in N/A 0.4375 in N/A 5/8 in N/A 0.722 in N/A 9/32 in N/A 0.195 in
N/A Hex Cap Screw, 1/2" Nominal Dia. N/A 1/2 in N/A 0.5000 in N/A 3/4 in N/A 0.866 in N/A 5/16 in N/A 0.215 in
N/A Hex Cap Screw, 9/16" Nominal Dia. N/A 9/16 in N/A 0.5625 in N/A 13/16 in N/A 0.938 in N/A 23/64 in N/A 0.2500 in
N/A Hex Cap Screw, 5/8" Nominal Dia. N/A 5/8 in N/A 0.6250 in N/A 15/16 in N/A 1.083 in N/A 25/64 in N/A 0.269 in
N/A Hex Cap Screw, 3/4" Nominal Dia. N/A 3/4 in N/A 0.7500 in N/A 1-1/8 in N/A 1.299 in N/A 15/32 in N/A 0.324 in
N/A Hex Cap Screw, 7/8" Nominal Dia. N/A 7/8 in N/A 0.8750 in N/A 1-5/16 in N/A 1.516 in N/A 35/64 in N/A 0.378 in
N/A Hex Cap Screw, 1" Nominal Dia. N/A 1 in N/A 1.0000 in N/A 1-1/2 in N/A 1.732 in N/A 39/64 in N/A 0.416 in
N/A Hex Cap Screw, 1-1/8" Nominal Dia. N/A 1-1/8 in N/A 1.1250 in N/A 1-11/16 in N/A 1.949 in N/A 11/16 in N/A 0.461 in
N/A Hex Cap Screw, 1-1/4" Nominal Dia. N/A 1-1/4 in N/A 1.2500 in N/A 1-7/8 in N/A 2.165 in N/A 25/32 in N/A 0.530 in
N/A Hex Cap Screw, 1-3/8" Nominal Dia. N/A 1-3/8 in N/A 1.3750 in N/A 2-1/16 in N/A 2.382 in N/A 27/32 in N/A 0.569 in
N/A Hex Cap Screw, 1-1/2" Nominal Dia. N/A 1-1/2 in N/A 1.5000 in N/A 2-1/4 in N/A 2.598 in N/A 1-5/16 in N/A 0.640 in
N/A Hex Cap Screw, 1-3/4" Nominal Dia. N/A 1-3/4 in N/A 1.7500 in N/A 2-5/8 in N/A 3.031 in N/A 1-3/32 in N/A 0.748 in
N/A Hex Cap Screw, 2" Nominal Dia. N/A 2 in N/A 2.0000 in N/A 3 in N/A 3.464 in N/A 1-7/32 in N/A 0.825 in
N/A Hex Cap Screw, 2-1/4" Nominal Dia. N/A 2-1/4 in N/A 2.2500 in N/A 3-3/8 in N/A 3.897 in N/A 1-3/8 in N/A 0.933 in
N/A Hex Cap Screw, 2-1/2" Nominal Dia. N/A 2-1/2 in N/A 2.5000 in N/A 3-3/4 in N/A 4.330 in N/A 1-17/32 in N/A 1.042 in
N/A Hex Cap Screw, 2-3/4" Nominal Dia. N/A 2-3/4 in N/A 2.7500 in N/A 4-1/8 in N/A 4.763 in N/A 1-11/16 in N/A 1.151 in
N/A Hex Cap Screw, 3" Nominal Dia. N/A 3 in N/A 3.0000 in N/A 4-1/2 in N/A 5.196 in N/A 1-7/8 in N/A 1.290 in
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