Heritage Industrial Cotter Pins & Wire Forms
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.

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  • .094" (3/32)
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  • .250" (1/4)
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  • .438" (7/16)
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  • .712"
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  • .813" (13/16)
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  • .940"
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  • .970"
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  • 1.102"
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  • 1.125" (1-1/8)
  • 1.130"
  • 1.156" (1-5/32)
  • 1.188" (1-3/16)
  • 1.219" (1-7/32)
  • 1.221"
  • 1.250" (1-1/4)
  • 1.313" (1-5/16)
  • 1.344" (1-11/32)
  • 1.375" (1-3/8)
  • 1.438" (1-7/16)
  • 1.469" (1-15/32)
  • 1.470"
  • 1.500" (1-1/2)
  • 1.563" (1-9/16)
  • 1.594" (1-19/32)
  • 1.625" (1-5/8)
  • 1.650"
  • 1.688" (1-11/16)
  • 1.719" (1-23/32)
  • 1.750" (1-3/4)
  • 1.813" (1-13/16)
  • 1.844" (1-27/32)
  • 1.875" (1-7/8)
  • 1.880"
  • 1.890"
  • 1.906" (1-29/32)
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  • 2.300"
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  • 2.375" (2-3/8)
  • 2.422" (2-27/64)
  • 2.438" (2-7/16)
  • 2.469" (2-15/32)
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  • M10.00
  • M100.00
  • M115.00
  • M12.00
  • M125.00
  • M140.00
  • M150.00
  • M20.00
  • M215.90
  • M22.20
  • M220.00
  • M25.00
  • M260.00
  • M27.43
  • M30.00
  • M300.00
  • M31.70
  • M32.00
  • M34.93
  • M36.00
  • M40.00
  • M41.20
  • M45.00
  • M50.00
  • M50.80
  • M55.00
  • M56.00
  • M63.00
  • M63.50
  • M65.00
  • M66.70
  • M69.85
  • M70.00
  • M75.00
  • M80.00
  • M85.00
  • M85.73
  • M86.00
  • M90.00
  • M95.25
  • M98.55
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