• Hexagon Keys and Bits
  • Each end shall be square with the axis of each arm within 4 deg, and edges may be sharp or chamfered at the option of the manufacturer. The chamfer shall not exceed the values listed.
  • Any truncation or rounding of hexagon corners within the specified across-corner dimensions shall be evident on all corners.
  • Material (Steel Alloy). Hexagon keys and bits shall be fabricated from an alloy steel having two or more of the following alloying elements: chromium, nickel, molybdenum, or vanadium, in sufficient quantity to assure that the specified minimum hardness of 48 HRC at the surface for sizes up to and including 3/8 in., and 45 HRC for sizes over 3/8 in., is met when hexagon keys and bits are hardened by quenching from the austenitizing temperature and tempered.
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Item #

Description

Nominal Size or Basic Product Dia.

Max. (W)

Max. (Y)

Max. (B)

Max. Short Arm Series (C)

Min. (R)

N/A Hexagon Key and Bit, 0.028" Nominal Dia. N/A N/A 0.0280 in N/A 0.0314 in N/A 0.312 in N/A 1.312 in N/A 0.062 in
N/A Hexagon Key and Bit, 0.035" Nominal Dia. N/A N/A 0.0350 in N/A 0.0393 in N/A 0.438 in N/A 1.312 in N/A 0.062 in
N/A Hexagon Key and Bit, 0.050" Nominal Dia. N/A N/A 0.0500 in N/A 0.0560 in N/A 0.625 in N/A 1.750 in N/A 0.062 in
N/A Hexagon Key and Bit, 0.062" Nominal Dia. N/A 1/16 in N/A 0.0625 in N/A 0.0701 in N/A 0.656 in N/A 1.844 in N/A 0.062 in
N/A Hexagon Key and Bit, 0.078" Nominal Dia. N/A 5/64 in N/A 0.0781 in N/A 0.0880 in N/A 0.703 in N/A 1.969 in N/A 0.078 in
N/A Hexagon Key and Bit, 0.094" Nominal Dia. N/A 3/32 in N/A 0.0937 in N/A 0.1058 in N/A 0.750 in N/A 2.094 in N/A 0.094 in
N/A Hexagon Key and Bit, 0.109" Nominal Dia. N/A 7/64 in N/A 0.1094 in N/A 0.1238 in N/A 0.797 in N/A 2.219 in N/A 0.109 in
N/A Hexagon Key and Bit, 0.125" Nominal Dia. N/A 1/8 in N/A 0.1250 in N/A 0.1418 in N/A 0.844 in N/A 2.344 in N/A 0.125 in
N/A Hexagon Key and Bit, 0.141" Nominal Dia. N/A 9/64 in N/A 0.1406 in N/A 0.1593 in N/A 0.891 in N/A 2.469 in N/A 0.141 in
N/A Hexagon Key and Bit, 0.156" Nominal Dia. N/A 5/32 in N/A 0.1562 in N/A 0.1774 in N/A 0.938 in N/A 2.594 in N/A 0.156 in
N/A Hexagon Key and Bit, 0.188" Nominal Dia. N/A 3/16 in N/A 0.1875 in N/A 0.2135 in N/A 1.031 in N/A 2.844 in N/A 0.188 in
N/A Hexagon Key and Bit, 0.219" Nominal Dia. N/A 7/32 in N/A 0.2187 in N/A 0.2490 in N/A 1.125 in N/A 3.094 in N/A 0.219 in
N/A Hexagon Key and Bit, 0.250" Nominal Dia. N/A 1/4 in N/A 0.2500 in N/A 0.2845 in N/A 1.219 in N/A 3.344 in N/A 0.250 in
N/A Hexagon Key and Bit, 0.312" Nominal Dia. N/A 5/16 in N/A 0.3125 in N/A 0.3570 in N/A 1.344 in N/A 3.844 in N/A 0.312 in
N/A Hexagon Key and Bit, 0.375" Nominal Dia. N/A 3/8 in N/A 0.3750 in N/A 0.4285 in N/A 1.469 in N/A 4.344 in N/A 0.375 in
N/A Hexagon Key and Bit, 0.438" Nominal Dia. N/A 7/16 in N/A 0.4375 in N/A 0.5005 in N/A 1.594 in N/A 4.844 in N/A 0.438 in
N/A Hexagon Key and Bit, 0.500" Nominal Dia. N/A 1/2 in N/A 0.5000 in N/A 0.5715 in N/A 1.719 in N/A 5.344 in N/A 0.500 in
N/A Hexagon Key and Bit, 0.562" Nominal Dia. N/A 9/16 in N/A 0.5625 in N/A 0.6420 in N/A 1.844 in N/A 5.844 in N/A 0.562 in
N/A Hexagon Key and Bit, 0.625" Nominal Dia. N/A 5/8 in N/A 0.6250 in N/A 0.7146 in N/A 1.969 in N/A 6.344 in N/A 0.625 in
N/A Hexagon Key and Bit, 0.750" Nominal Dia. N/A 3/4 in N/A 0.7500 in N/A 0.8580 in N/A 2.219 in N/A 7.344 in N/A 0.750 in
N/A Hexagon Key and Bit, 0.875" Nominal Dia. N/A 7/8 in N/A 0.8750 in N/A 1.0020 in N/A 2.469 in N/A 8.344 in N/A 0.875 in
N/A Hexagon Key and Bit, 1.000" Nominal Dia. N/A 1 in N/A 1.0000 in N/A 1.1470 in N/A 2.719 in N/A 9.344 in N/A 1.000 in
N/A Hexagon Key and Bit, 1.250" Nominal Dia. N/A 1-1/4 in N/A 1.2500 in N/A 1.4337 in N/A 3.250 in N/A 11.500 in N/A 1.250 in
N/A Hexagon Key and Bit, 1.500" Nominal Dia. N/A 1-1/2 in N/A 1.5000 in N/A 1.7204 in N/A 3.750 in N/A 13.500 in N/A 1.500 in
N/A Hexagon Key and Bit, 1.750" Nominal Dia. N/A 1-3/4 in N/A 1.7500 in N/A 2.0072 in N/A 4.250 in N/A 15.500 in N/A 1.750 in
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