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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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| Buy Machine Keys from one of our FCH Network Members | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| MAINSOURC | NH | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 20 | m4 x 4 x 20 din 6885a parallel key st | 150 |
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| YANKEE | NH | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 20 | m4 x 4 x 20 parallel key w/round end-plain | 50 |
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| Century | FL | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 20 | M4x4 x 20 stl parallel (shaft)keys din 6885a | 116 |
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| Century | FL | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 14 | 4x4 x 14 parallel keybn870 steel plain din 6885a () | 2050 |
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| MTP | CA | Machine Key (Square & Rectangular) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M4 x 14 | m 4 x 14 6885-a2 s.s parallel keys | 200 |
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| MTP | CA | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 35 | m4 x 4 x 35 din 6885 a-st parallel key | 69 |
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| Century | NY | Machine Key (Square & Rectangular) | Steel | Plain | 4 x 4 x 14 parallel key bn870 steel plain | 50 |
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| Century | NY | Machine Key (Square & Rectangular) | Steel | Plain | m4 x 4 x 20mm stl parallel (shaft)keys | 116 |
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| Century | NY | Machine Key (Square & Rectangular) | Plain | fitting key 4x4x8 fitting key 4x4x8 | 1000 |
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| Komar | IL | Machine Key (Square & Rectangular) | 316, 317, A4 Stainless | Plain | M4 x 4 | M4x4x25 long square key 316 ss | 100 |
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| SWACO | OH | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 32 | M4x4 x 32 parallel key d6885a | 57 |
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| SWACO | OH | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 16 | M4x4 x 16 parallel key d6885a | 100 |
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| SWACO | OH | Machine Key (Square & Rectangular) | Steel | Black Oxide | M4 x 4 x 22 | M4x4 x 22 parallel key d6885a black oxide | 60 |
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| SWACO | OH | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 14 | M4x4 x 14 parallel key d6885a | 100 |
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| SWACO | OH | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 16 | M4x4 x 16 parallel key d6885b | 200 |
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| MidStates | MI | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 | parallel key 12 | 19 |
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| MidStates | MI | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 | m4 x 4 sq machinery key 40mm | 46 |
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| MidStates | MI | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 | m4 x 4 sq machinery key 13mm | 24 |
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| IPC | VA | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 30 | M4x30 sq. key one end rnd. c of c req. per mes-0007 spec | 5 |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 30 | shaft key din 6885 steel plain | inquire |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 8 | shaft key din 6885 steel plain | 516 |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 14 | shaft key din 6885 steel plain | 1662 |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 16 | shaft key din 6885 steel plain | 2170 |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 10 | shaft key din 6885 steel plain | 902 |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 12 | shaft key din 6885 steel plain | 1666 |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 32 | shaft key din 6885 steel plain | 207 |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 20 | shaft key din 6885 steel plain | 43 |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 25 | shaft key din 6885 steel plain | inquire |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 36 | shaft key din 6885 steel plain | 4 |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 40 | shaft key din 6885 steel plain | 42 |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 50 | shaft key din 6885 steel plain | 1 |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 18 | a4x4x18 shaft key din 6885 steel plain | 80 |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 45 | a4x4x45 shaft key din 6885 steel plain | inquire |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 3 x 7 | a4x3x7 shaft key steel plain din 6885 | inquire |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 15 | mb4x4x15 shaft key steel plain din 6885 | inquire |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 13 | mb4x4x13 shaft key steel plain din 6885 | inquire |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 6 x 200 | mb4x6x200 shaft key steel plain din 6885 | inquire |
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| MMCC | IL | Machine Key (Square & Rectangular) | 316, 317, A4 Stainless | Plain | M4 x 4 x 8 | ma4x4x8 shaft key a4 din 6885 | inquire |
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| MMCC | IL | Machine Key (Square & Rectangular) | 316, 317, A4 Stainless | Plain | M4 x 4 x 20 | ma4x4x20 shaft key a4 din 6885 | inquire |
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| Liberty | IL | Machine Key (Square & Rectangular) | Steel | Plain | M4 | 4mx4mx14 long machine key round edges steel undersized din 6885 | 50 |
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| MtrcSpec | CA | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 | M4x4 parallel key 12 long din 6885 | stock |
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| Eurolink | SC | Machine Key (Square & Rectangular) | 316, 317, A4 Stainless | Plain | M4 x 4 x 32 | 4x4 x 32 a a4 stainless steel parallel key with round ends din 6885 | inquire |
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| Eurolink | SC | Machine Key (Square & Rectangular) | 316, 317, A4 Stainless | Plain | M4 x 4 x 25 | 4x4 x 25 a a4 stainless steel parallel key with round ends din 6885 | inquire |
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| Eurolink | SC | Machine Key (Square & Rectangular) | 316, 317, A4 Stainless | Plain | M4 x 4 x 30 | 4x4 x 30 a a4 stainless steel parallel key with round ends din 6885 | inquire |
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| Eurolink | SC | Machine Key (Square & Rectangular) | 316, 317, A4 Stainless | Plain | M4 x 4 x 10 | 4x4 x 10 a a4 stainless steel parallel key with round ends din 6885 | inquire |
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| Eurolink | SC | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 25 | 4x4 x 25 a plain finish parallel key with round ends din 6885 | inquire |
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| Eurolink | SC | Machine Key (Square & Rectangular) | 316, 317, A4 Stainless | Plain | M4 x 4 x 16 | 4x4 x 16 a a4 stainless steel parallel key with round ends din 6885 | inquire |
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| Eurolink | SC | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 32 | 4x4 x 32 a plain finish parallel key with round ends din 6885 | inquire |
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| Eurolink | SC | Machine Key (Square & Rectangular) | 316, 317, A4 Stainless | Plain | M4 x 4 x 20 | 4x4x 20 a a4 stainless steel parallel key with round ends din 6885 | inquire |
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| Eurolink | SC | Machine Key (Square & Rectangular) | 316, 317, A4 Stainless | Plain | M4 x 4 x 50 | 4x4 x 50 a a4 stainless steel parallel key with round ends din 6885 | inquire |
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| Eurolink | SC | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 40 | 4x4 x 40 a plain finish parallel key with round ends din 6885 | inquire |
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| Eurolink | SC | Machine Key (Square & Rectangular) | 316, 317, A4 Stainless | Plain | M4 x 4 x 12 | 4x4 x 12 a a4 stainless steel parallel key with round ends din 6885 | inquire |
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| Eurolink | SC | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 20 | 4x4 x 20 a plain finish parallel key with round ends din 6885 | inquire |
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| Eurolink | SC | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 14 | 4x4 x 14 a plain finish parallel key with round ends din 6885 | inquire |
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| Eurolink | SC | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 36 | 4x4 x 36 a plain finish parallel key with round ends din 6885 | inquire |
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| Eurolink | SC | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 12 | 4 x 4 x 12 din 6885 a plain finish parallel key with round ends | inquire |
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| MSTC | MA | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 12 | 4 x 4 x 12 din 6885b parrl key sq end s | 15 |
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| MSTC | MA | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 80 | 4 x 4 x 80 din 6885a parl key stl pl | 69 |
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| MSTC | MA | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 56 | 4 x 4 x 56 din 6885a parl key stl pl | 50 |
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| MSTC | MA | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 8 | 4 x 4 x 8 din 6885a parl key stl pl | 1958 |
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| MSTC | MA | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 40 | 4 x 4 x 40 din 6885a parl key stl pl | 150 |
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| MSTC | MA | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 32 | 4 x 4 x 32 din 6885a parl key stl pl | 227 |
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| MSTC | MA | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 16 | 4 x 4 x 16 din 6885a parl key stl pl | 144 |
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| MSTC | MA | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 10 | 4 x 4 x 10 din 6885a parl key stl pl | 329 |
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| MSTC | MA | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 12 | 4 x 4 x 12 din 6885a parl key stl pl | 495 |
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| MSTC | MA | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 20 | 4 x 4 x 20 din 6885a parl keys steel | 61 |
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| Wurth Ada | MN | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 14 | feathkey din6885 c45k a 4x4x14 | 1,500 |
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| KBS | TN | Machine Key (Square & Rectangular) | Steel | Plain | M4 x 4 x 10 | 4mm x4mm x10mm din6885/a shaftkeys roundends forma | 100 |
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