M4 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.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
YANKEENHMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 20m4 x 4 x 20 parallel key w/round end-plain22
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CenturyFLMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 8fitting key 4x4x8 din68851,000
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CenturyFLMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 20din 6885a m4 x 4 x 20mm stl116
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MTPCAMachine Key (Square & Rectangular)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM4 x 14m 4 x 14 6885-a2 s.s parallel keys200
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MTPCAMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 35m4 x 4 x 35 din 6885 a-st parallel key69
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MMCCILMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 30shaft key din 6885 steel plaininquire
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MMCCILMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 8shaft key din 6885 steel plain516
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MMCCILMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 14shaft key din 6885 steel plain1662
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MMCCILMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 16shaft key din 6885 steel plain2170
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MMCCILMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 10shaft key din 6885 steel plain902
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MMCCILMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 12shaft key din 6885 steel plain1666
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MMCCILMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 32shaft key din 6885 steel plain207
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MMCCILMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 20shaft key din 6885 steel plain43
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MMCCILMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 25shaft key din 6885 steel plaininquire
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MMCCILMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 36shaft key din 6885 steel plain4
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MMCCILMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 40shaft key din 6885 steel plain42
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MMCCILMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 50shaft key din 6885 steel plain1
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MMCCILMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 18a4x4x18 shaft key din 6885 steel plain80
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MMCCILMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 45a4x4x45 shaft key din 6885 steel plaininquire
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MMCCILMachine Key (Square & Rectangular)SteelPlainM4 x 3 x 7a4x3x7 shaft key steel plain din 6885inquire
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MMCCILMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 15mb4x4x15 shaft key steel plain din 6885inquire
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Wurth AdaMNMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 14feathkey din6885 c45k a 4x4x141,500
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MidStatesMIMachine Key (Square & Rectangular)SteelPlainM4 x 4parallel key 1219
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MidStatesMIMachine Key (Square & Rectangular)SteelPlainM4 x 4m4 x 4 sq machinery key 40mm46
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MidStatesMIMachine Key (Square & Rectangular)SteelPlainM4 x 4m4 x 4 sq machinery key 13mm24
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KBSTNMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 104mm x4mm x10mm din6885/a shaftkeys roundends forma100
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AFIFLMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 20m4x4x20 parallel key rd end st200
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AFIFLMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 20m4x4x20 parallel key rd end st din6885a200
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MtrcSpecCAMachine Key (Square & Rectangular)SteelPlainM4 x 4parallel key 12 long din 6885stock
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EurolinkSCMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 124 x 4 x 12 din 6885 a plain finish parallel key with round endsinquire
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MSTCMAMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 124 x 4 x 12 din 6885b parrl key sq end s15
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MSTCMAMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 804 x 4 x 80 din 6885a parl key stl pl69
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MSTCMAMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 564 x 4 x 56 din 6885a parl key stl pl50
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MSTCMAMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 84 x 4 x 8 din 6885a parl key stl pl1958
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MSTCMAMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 404 x 4 x 40 din 6885a parl key stl pl150
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MSTCMAMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 324 x 4 x 32 din 6885a parl key stl pl227
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MSTCMAMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 164 x 4 x 16 din 6885a parl key stl pl144
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MSTCMAMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 104 x 4 x 10 din 6885a parl key stl pl329
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MSTCMAMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 124 x 4 x 12 din 6885a parl key stl pl495
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MSTCMAMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 204 x 4 x 20 din 6885a parl keys steel61
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