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4mm 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.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
MAINSOURCNHMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 20m4 x 4 x 20 din 6885a parallel key st150
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YANKEENHMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 20m4 x 4 x 20 parallel key w/round end-plain50
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CenturyFLMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 20M4x4 x 20 stl parallel (shaft)keys din 6885a 116
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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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CenturyNYMachine Key (Square & Rectangular)SteelPlain4 x 4 x 14 parallel key bn870 steel plain50
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CenturyNYMachine Key (Square & Rectangular)SteelPlainm4 x 4 x 20mm stl parallel (shaft)keys116
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CenturyNYMachine Key (Square & Rectangular)Plainfitting key 4x4x8 fitting key 4x4x81000
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CenturyFLMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 144x4 x 14 parallel keybn870 steel plain din 6885a ()50
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KomarILMachine Key (Square & Rectangular)316, 317, A4 StainlessPlainM4 x 4M4x4x25 long square key 316 ss100
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SWACOOHMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 32M4x4 x 32 parallel key d6885a57
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SWACOOHMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 16M4x4 x 16 parallel key d6885a100
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SWACOOHMachine Key (Square & Rectangular)SteelBlack OxideM4 x 4 x 22M4x4 x 22 parallel key d6885a black oxide60
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SWACOOHMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 14M4x4 x 14 parallel key d6885a100
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SWACOOHMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 16M4x4 x 16 parallel key d6885b200
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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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MMCCILMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 45a4x4x45 shaft key din 6885 steel plaininquire
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MMCCILMachine Key (Square & Rectangular)SteelPlainM6 x 4 x 20a6x4x20 shaft key din 6885 steel plaininquire
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MMCCILMachine Key (Square & Rectangular)SteelPlainM6 x 4 x 45a6x4x45 shaft key din 6885 steel plaininquire
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MMCCILMachine Key (Square & Rectangular)SteelPlainM6 x 4 x 40a6x4x40 shaft key din 6885 steel plaininquire
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MMCCILMachine Key (Square & Rectangular)SteelPlainM6 x 4 x 56a6x4x56 shaft key din 6885 steel plaininquire
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MMCCILMachine Key (Square & Rectangular)SteelPlainM6 x 4 x 63a6x4x63 shaft key din 6885 steel plaininquire
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MMCCILMachine Key (Square & Rectangular)SteelPlainM6 x 4 x 70a6x4x70 shaft key din 6885 steel plaininquire
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MMCCILMachine Key (Square & Rectangular)SteelPlainM6 x 4 x 36a6x4x36 shaft key din 6885 steel plaininquire
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MMCCILMachine Key (Square & Rectangular)SteelPlainM6 x 4 x 32ma6x4x32 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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MMCCILMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 13mb4x4x13 shaft key steel plain din 6885inquire
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MMCCILMachine Key (Square & Rectangular)316, 317, A4 StainlessPlainM4 x 4 x 8ma4x4x8 shaft key a4 din 6885inquire
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MMCCILMachine Key (Square & Rectangular)316, 317, A4 StainlessPlainM4 x 4 x 20ma4x4x20 shaft key a4 din 6885inquire
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MMCCILMachine Key (Square & Rectangular)316, 317, A4 StainlessPlainM4 x 4 x 16ma4x4x16 shaft key a4 din 6885inquire
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MMCCILMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 200mb4x4x200 shaft key steel plain din 6885inquire
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MMCCILMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 12b4x4x12 shaft key steel plain din 6885inquire
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MMCCILMachine Key (Square & Rectangular)SteelPlainM6 x 4 x 8ma6x4x8 shaft key steel plain din 6885inquire
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MMCCILMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 25mb4x4x25 shaft key steel plain din 6885inquire
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MMCCILMachine Key (Square & Rectangular)SteelPlainM6 x 4 x 28ma6x4x28 shaft key steel plain din 6885inquire
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MMCCILMachine Key (Square & Rectangular)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM4 x 4 x 12mb4x4x12 shaft key a2 din 6885inquire
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AFIFLMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 20m4x4x20 parallel key rd end st200
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MtrcSpecCAMachine Key (Square & Rectangular)SteelPlainM4 x 4M4x4 parallel key 12 long din 6885stock
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EurolinkSCMachine Key (Square & Rectangular)316, 317, A4 StainlessPlainM4 x 4 x 324x4 x 32 a a4 stainless steel parallel key with round ends din 6885inquire
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EurolinkSCMachine Key (Square & Rectangular)316, 317, A4 StainlessPlainM4 x 4 x 254x4 x 25 a a4 stainless steel parallel key with round ends din 6885inquire
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EurolinkSCMachine Key (Square & Rectangular)316, 317, A4 StainlessPlainM4 x 4 x 304x4 x 30 a a4 stainless steel parallel key with round ends din 6885inquire
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EurolinkSCMachine Key (Square & Rectangular)316, 317, A4 StainlessPlainM4 x 4 x 104x4 x 10 a a4 stainless steel parallel key with round ends din 6885inquire
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EurolinkSCMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 254x4 x 25 a plain finish parallel key with round ends din 6885inquire
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EurolinkSCMachine Key (Square & Rectangular)316, 317, A4 StainlessPlainM4 x 4 x 164x4 x 16 a a4 stainless steel parallel key with round ends din 6885inquire
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EurolinkSCMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 324x4 x 32 a plain finish parallel key with round ends din 6885inquire
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EurolinkSCMachine Key (Square & Rectangular)316, 317, A4 StainlessPlainM4 x 4 x 204x4x 20 a a4 stainless steel parallel key with round ends din 6885inquire
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EurolinkSCMachine Key (Square & Rectangular)316, 317, A4 StainlessPlainM4 x 4 x 504x4 x 50 a a4 stainless steel parallel key with round ends din 6885inquire
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EurolinkSCMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 404x4 x 40 a plain finish parallel key with round ends din 6885inquire
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EurolinkSCMachine Key (Square & Rectangular)316, 317, A4 StainlessPlainM4 x 4 x 124x4 x 12 a a4 stainless steel parallel key with round ends din 6885inquire
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EurolinkSCMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 204x4 x 20 a plain finish parallel key with round ends din 6885inquire
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EurolinkSCMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 144x4 x 14 a plain finish parallel key with round ends din 6885inquire
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EurolinkSCMachine Key (Square & Rectangular)SteelPlainM6 x 4 x 166x4 x 16 a plain finish parallel key with round ends din 6885inquire
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EurolinkSCMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 364x4 x 36 a plain finish parallel key with round ends din 6885inquire
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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)SteelPlainM6 x 4 x 146 x 4 x 14 din 6885a parl key stl pl22
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MSTCMAMachine Key (Square & Rectangular)SteelPlainM6 x 4 x 166 x 4 x 16 din 6885b parrl key sq end s38
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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)SteelPlainM6 x 4 x 406 x 4 x 40 din 6885a parl key stl pl88
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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)SteelPlainM6 x 4 x 286 x 4 x 28 din 6885a parl key stl pl100
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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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MSTCMAMachine Key (Square & Rectangular)SteelPlainM6 x 4 x 186 x 4 x 18 din 6885a parl key stl pl13
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Wurth AdaMNMachine Key (Square & Rectangular)SteelPlainM4 x 4 x 14feathkey din6885 c45k a 4x4x141,500
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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 st din6885a200
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