Aztec Lifting, Rigging, and Suspension Hardware Now Available from G.L. Huyett
Oversize Machine Keys
These simple keys are installed into shaft keyways and used to lock shaft and hub assemblies together to transmit torque in a power transmission. Available with squared ends, rounded ends, and chamfered ends to lessen damage to keyways.
Oversize Machine Keys

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  • 7/16" x 5/8"
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  • 7/32" x 1/4"
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  • 5/8"
  • 6-3/4"
  • 7-3/4"
  • 9/16"
  • .0625" (1/16)
  • .0937" (3/32)
  • .1250" (1/8)
  • .1562" (5/32)
  • .1875" (3/16)
  • .2187" (7/32)
  • .2500" (1/4)
  • .2812" (9/32)
  • .3125" (5/16)
  • .3180"
  • .3750" (3/8)
  • .4375" (7/16)
  • .5000" (1/2)
  • .5400"
  • .5625" (9/16)
  • .6250" (5/8)
  • .6875" (11/16)
  • .7500" (3/4)
  • .8125" (13/16)
  • .8750" (7/8)
  • .9375" (15/16)
  • 1.0000" (1)
  • 1.1250" (1-1/8)
  • 1.2500" (1-1/4)
  • 1.5000" (1-1/2)
  • 1.7500" (1-3/4)
  • 2.0000" (2)
  • M10.000
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  • M14.000
  • M16.000
  • M18.000
  • M20.000
  • M22.000
  • M24.000
  • M25.000
  • M28.000
  • M32.000
  • M36.000
  • M4.000
  • M40.000
  • M5.000
  • M6.000
  • M7.000
  • M8.000
  • .2500" (1/4)
  • .2800"
  • .3100"
  • .3130"
  • .3440"
  • .3750" (3/8)
  • .4060"
  • .4100"
  • .4300"
  • .4380"
  • .4690"
  • .5000" (1/2)
  • .5630"
  • .5940"
  • .5960"
  • .6250" (5/8)
  • .6880"
  • .7120"
  • .7190"
  • .7200"
  • .7500" (3/4)
  • .7810"
  • .8000"
  • .8100"
  • .8130"
  • .8370"
  • .8440"
  • .8460"
  • .8750" (7/8)
  • .8800"
  • .9380"
  • .9400"
  • .9690"
  • .9700"
  • 1.0000" (1)
  • 1.0630"
  • 1.0940"
  • 1.1020"
  • 1.1200"
  • 1.1250" (1-1/8)
  • 1.1300"
  • 1.1560"
  • 1.1880"
  • 1.2190"
  • 1.2210"
  • 1.2500" (1-1/4)
  • 1.3130"
  • 1.3440"
  • 1.3750" (1-3/8)
  • 1.3800"
  • 1.4380"
  • 1.4690"
  • 1.4700"
  • 1.5000" (1-1/2)
  • 1.5630"
  • 1.5940"
  • 1.6250" (1-5/8)
  • 1.6500"
  • 1.6875" (1-11/16)
  • 1.6880"
  • 1.7190"
  • 1.7500" (1-3/4)
  • 1.8130"
  • 1.8440"
  • 1.8750" (1-7/8)
  • 1.8800"
  • 1.8900"
  • 1.9060"
  • 1.9380"
  • 1.9530"
  • 1.9690"
  • 10.0000" (10)
  • 11.0000" (11)
  • 11.7000"
  • 2.0000" (2)
  • 2.0630"
  • 2.1200"
  • 2.1250"
  • 2.1880"
  • 2.2190"
  • 2.2500" (2-1/4)
  • 2.3000"
  • 2.3130"
  • 2.3440"
  • 2.3750" (2-3/8)
  • 2.4220"
  • 2.4380"
  • 2.4690"
  • 2.5000" (2-1/2)
  • 2.5630"
  • 2.6250" (2-5/8)
  • 2.7190"
  • 2.7500" (2-3/4)
  • 2.8130"
  • 2.8440"
  • 2.8750" (2-7/8)
  • 2.8800"
  • 2.9690"
  • 3.0000" (3)
  • 3.0630"
  • 3.0940"
  • 3.1250" (3-1/8)
  • 3.2190"
  • 3.2500" (3-1/4)
  • 3.3070"
  • 3.3440"
  • 3.3750" (3-3/8)
  • 3.3800"
  • 3.4380"
  • 3.4690"
  • 3.5000" (3-1/2)
  • 3.5940"
  • 3.6250" (3-5/8)
  • 3.7190"
  • 3.7500" (3-3/4)
  • 3.8750" (3-7/8)
  • 3.9690"
  • 3.9700"
  • 4.0000" (4)
  • 4.0620"
  • 4.1250" (4-1/8)
  • 4.2190"
  • 4.2500" (4-1/4)
  • 4.3120"
  • 4.3700"
  • 4.3750"
  • 4.4380"
  • 4.4690"
  • 4.5000" (4-1/2)
  • 4.6250" (4-5/8)
  • 4.7190"
  • 4.7500" (4-3/4)
  • 4.8100"
  • 4.9380"
  • 4.9690"
  • 5.0000" (5)
  • 5.0940"
  • 5.1250" (5-1/8)
  • 5.2500" (5-1/4)
  • 5.3750"
  • 5.4690"
  • 5.5000" (5-1/2)
  • 5.6250" (5-5/8)
  • 5.7500" (5-3/4)
  • 5.8130"
  • 6.0000" (6)
  • 6.2500" (6-1/4)
  • 6.5000" (6-1/2)
  • 6.7190"
  • 6.7500" (6-3/4)
  • 6.9690"
  • 7.0000" (7)
  • 7.2500" (7-1/4)
  • 7.5000" (7-1/2)
  • 7.7500" (7-3/4)
  • 8.0000" (8)
  • 8.1250" (8-1/8)
  • 8.2500" (8-1/4)
  • 8.5000" (8-1/2)
  • 8.7500" (8-3/4)
  • 8.8750" (8-7/8)
  • 8.9690"
  • 9.0000" (9)
  • 9.2500" (9-1/4)
  • 9.5000" (9-1/2)
  • 9.6250" (9-5/8)
  • 9.7500" (9-3/4)
  • M10.000
  • M100.000
  • M105.000
  • M110.000
  • M115.000
  • M12.000
  • M120.000
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  • M130.000
  • M14.000
  • M140.000
  • M15.000
  • M150.000
  • M155.000
  • M16.000
  • M160.000
  • M170.000
  • M18.000
  • M180.000
  • M20.000
  • M200.000
  • M209.550
  • M215.900
  • M22.000
  • M22.200
  • M220.000
  • M25.000
  • M250.000
  • M260.000
  • M27.430
  • M28.000
  • M280.000
  • M29.000
  • M30.000
  • M300.000
  • M31.700
  • M32.000
  • M34.930
  • M35.000
  • M36.000
  • M38.100
  • M40.000
  • M41.200
  • M45.000
  • M50.000
  • M50.800
  • M55.000
  • M56.000
  • M6.000
  • M60.000
  • M63.000
  • M63.500
  • M65.000
  • M66.700
  • M69.850
  • M70.000
  • M75.000
  • M8.000
  • M80.000
  • M85.000
  • M85.730
  • M86.000
  • M89.000
  • M90.000
  • M95.000
  • M95.250
  • M98.550
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