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4 inch length Machine Keys

Machine Keys, or Straight keys are made from hardened rod with a machined square or rectangular cross section, and are the most common type of key. They are installed into keyways to transmit torque from shafts to gears and other components. They are called “keys” because they lock a component to the shaft by means of a corresponding keyway in a shaft.

6 results, (click on any line for more information)

Buy Machine Keys from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
EndriesWIMachine Key (Square & Rectangular)SteelPlain3/4 x 43/4x4 in. square key 45 degree chamfer end +.001-.0008
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EndriesWIMachine Key (Square & Rectangular)SteelPlain1/4 x 41/4x4 square machine key undersized plain110
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EndriesWIMachine Key (Square & Rectangular)SteelPlain3/8x4 square machine key undersized plain |276
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EndriesWIMachine Key (Square & Rectangular)SteelPlain5/8 x 45/8x4in square machine key undersized plain20
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EndriesWIMachine Key (Square & Rectangular)SteelPlain4 x 4 x 16 1045/454x4x16mm c1045/c45 parallel key plain with radius ends din 6885a4642
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General FMIMachine Key (Square & Rectangular)SteelPlain.5 x 4.5 x 4 sq key both ends55
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