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Bilateral Machine Keys
Machine keys are used to hold machinery parts in place or align components. They are specifically designed to fail as a safety mechanism to save more expensive components. Standard sizes are ready to use without any cutting or filing.

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  • Aluminum
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  • Metric
  • 1-1/4" x 1-7/16"
  • 1/2" x 1"
  • 1/2" x 1/2"
  • 1/2" x 3/4"
  • 1/2" x 5/8"
  • 1/4" x 1/2"
  • 1/4" x 1/4"
  • 1/4" x 3/8"
  • 1/4" x 5/16"
  • 1/8" x 1/4"
  • 1/8" x 1/8"
  • 1/8" x 3/16"
  • 3/16" x 1/4"
  • 3/16" x 3/16"
  • 3/16" x 5/16"
  • 3/32" x 3/32"
  • 3/4" x 1"
  • 3/4" x 3/4"
  • 3/4" x 7/8"
  • 3/8" x 1/2"
  • 3/8" x 3/8"
  • 3/8" x 5/8"
  • 5/16" x 1/2"
  • 5/16" x 3/8"
  • 5/16" x 5/16"
  • 5/32" x 3/16"
  • 5/32" x 5/32"
  • 5/8" x 1"
  • 5/8" x 3/4"
  • 5/8" x 5/8"
  • 5/8" x 7/8"
  • 7/16" x 1/2"
  • 7/16" x 5/8"
  • 7/16" x 7/16"
  • 7/32" x 1/4"
  • 7/8" x 1"
  • 7/8" x 1-1/4"
  • 9/16" x 3/4"
  • 9/16" x 5/8"
  • M6 x 6
  • 1-13/16"
  • 1-5/16"
  • 1-7/16"
  • 1/2"
  • 15/16"
  • 2-13/16"
  • 2-5/16"
  • 5/8"
  • 9/16"
  • .094" (3/32)
  • .125" (1/8)
  • .156" (5/32)
  • .188" (3/16)
  • .250" (1/4)
  • .313" (5/16)
  • .375" (3/8)
  • .438" (7/16)
  • .500" (1/2)
  • .625" (5/8)
  • .750" (3/4)
  • .875" (7/8)
  • 1.000" (1)
  • 1.250" (1-1/4)
  • 1.438" (1-7/16)
  • M6.00
  • .250" (1/4)
  • .313" (5/16)
  • .350"
  • .375" (3/8)
  • .438" (7/16)
  • .500" (1/2)
  • .520"
  • .563" (9/16)
  • .625" (5/8)
  • .660"
  • .688" (11/16)
  • .750" (3/4)
  • .813" (13/16)
  • .875" (7/8)
  • .906" (29/32)
  • 1.000" (1)
  • 1.072"
  • 1.120"
  • 1.125" (1-1/8)
  • 1.130"
  • 1.250" (1-1/4)
  • 1.313" (1-5/16)
  • 1.375" (1-3/8)
  • 1.438" (1-7/16)
  • 1.500" (1-1/2)
  • 1.550"
  • 1.625" (1-5/8)
  • 1.672" (1-43/64)
  • 1.688" (1-11/16)
  • 1.750" (1-3/4)
  • 1.812" (1-13/16)
  • 1.875" (1-7/8)
  • 1.938" (1-15/16)
  • 2.000" (2)
  • 2.100"
  • 2.156" (2-5/32)
  • 2.250" (2-1/4)
  • 2.375" (2-3/8)
  • 2.420"
  • 2.500" (2-1/2)
  • 2.625" (2-5/8)
  • 2.700"
  • 2.750" (2-3/4)
  • 2.875" (2-7/8)
  • 3.000" (3)
  • 3.250" (3-1/4)
  • 3.375" (3-3/8)
  • 3.500" (3-1/2)
  • 3.750" (3-3/4)
  • 4.000" (4)
  • 4.125" (4-1/8)
  • 4.250" (4-1/4)
  • 4.500" (4-1/2)
  • 4.750" (4-3/4)
  • 5.000" (5)
  • 5.250" (5-1/4)
  • 5.500" (5-1/2)
  • 6.000" (6)
  • 6.250" (6-1/4)
  • 6.750" (6-3/4)
  • 7.000" (7)
  • 8.500" (8-1/2)
  • 8.840"
  • 9.625" (9-5/8)
  • M15.00
  • Rectangle
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