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3mm 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.
47 results, (click on any line for more information)
| Buy Machine Keys from one of our FCH Network Members | ||||||||
|---|---|---|---|---|---|---|---|---|
| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Century | FL | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 18 | m3 x 3mm x 18mm steel din 6885a | 50 |
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| Century | FL | Machine Key (Square & Rectangular) | Plain | M3 x 3 x 12 | m3 x 3 x 12 machine key rounded plain din 6885 | 23 |
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| Century | FL | Machine Key (Square & Rectangular) | 316, 317, A4 Stainless | Plain | M3 x 3 x 6 | 3mm x 3mm x 6mm lg parallelkey 316 stainless steel 3-3-6-a-ni din 6885 | 21 |
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| MTP | CA | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 20 | m 3 x 3 x 20 din 6885 a-st parallel key | 500 |
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| MTP | CA | Machine Key (Square & Rectangular) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M3 x 3 x 10 | m 3 x 3 x 10 din 6885a4 s.s parallel keys | 600 |
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| MTP | CA | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 14 | m 3 x 3 x 14 din 6885 a-st parallel key | stock |
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| MtrcSpec | CA | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 10 | M3x 3x10 parallel key din 6885 | stock |
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| MtrcSpec | CA | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 | M3x3 parallel key 12 long din 6885 | stock |
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| SWACO | OH | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 20 | M3x3 x 20 parallel key d6885a | 173 |
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| SWACO | OH | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 12 | M3x3 x 12 parallel key d6885a | 200 |
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| Eurolink | SC | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 10 | 3 x 3 x 10 din 6885 a plain finish parallel key with round ends | inquire |
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| Eurolink | SC | Machine Key (Square & Rectangular) | 316, 317, A4 Stainless | Plain | M3 x 3 x 16 | 3 x 3 x 16 din 6885 a a4 stainless steel parallel key with round ends | inquire |
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| Eurolink | SC | Machine Key (Square & Rectangular) | 316, 317, A4 Stainless | Plain | M3 x 3 x 18 | 3x3 x 18 a a4 stainless steel parallel key with round ends din 6885 | inquire |
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| Eurolink | SC | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 8 | 3x3 x 8 a plain finish parallel key with round ends din 6885 | 983 |
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| Eurolink | SC | Machine Key (Square & Rectangular) | 316, 317, A4 Stainless | Plain | M3 x 3 x 10 | 3x3 x 10 a a4 stainless steel parallel key with round ends din 6885 | inquire |
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| Century | NY | Machine Key (Square & Rectangular) | Steel | Plain | 3 x 3 x 8 parallel key bn870 steel plain | 300 |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 20 | a3x3x20 shaft key din 6885 steel plain | inquire |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 8 | a3x3x8 shaft key din 6885 steel plain | inquire |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M5 x 3 x 14 | a5x3x14 shaft key din 6885 steel plain | inquire |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M5 x 3 x 25 | a5x3x25 shaft key din 6885 steel plain | inquire |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M5 x 3 x 63 | a5x3x63 shaft key din 6885 steel plain | inquire |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M5 x 3 x 36 | a5x3x36 shaft key din 6885 steel plain | inquire |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M5 x 3 x 56 | a5x3x56 shaft key din 6885 steel plain | inquire |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M5 x 3 x 40 | a5x3x40 shaft key din 6885 steel plain | inquire |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M5 x 3 x 50 | a5x3x50 shaft key din 6885 steel plain | inquire |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M5 x 3 x 45 | a5x3x45 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 | M5 x 3 x 180 | mb5x3x180 shaft key steel plain din 6885 | inquire |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 18 | ma3x3x18 shaft key c45 steel din 6885 | inquire |
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| MMCC | IL | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 25 | ma3x3x25 shaft key steel plain din 6885 | inquire |
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| MMCC | IL | Machine Key (Square & Rectangular) | 316, 317, A4 Stainless | Plain | M3 x 3 x 7.5 | ma3x3x7.5 shaft key a4 plain din 6885 | inquire |
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| TSF | TX | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 6 | square key 3mm x 3mm x 6mm lg plain | 150 |
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| MSTC | MA | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 16 | 3 x 3 x 16 din 6885a parl key stl pl | 45 |
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| MSTC | MA | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 18 | 3 x 3 x 18 din 6885a parl key stl pl | 50 |
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| MSTC | MA | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 25 | 3 x 3 x 25 din 6885a parl key stl pl | 66 |
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| MSTC | MA | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 63 | 3 x 3 x 63 din 6885a parl key stl pl | 88 |
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| MSTC | MA | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 25 | 3 x 3 x 25 din 6885b parrl key sq end s | 100 |
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| MSTC | MA | Machine Key (Square & Rectangular) | Steel | Plain | M5 x 3 x 16 | 5 x 3 x 16 din 6885a parl key stl pl | 100 |
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| MSTC | MA | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 10 | 3 x 3 x 10 din 6885a parl key stl pl | 243 |
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| MSTC | MA | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 20 | 3 x 3 x 20 din 6885a parl key stl pl | 113 |
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| MSTC | MA | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 12 | 3 x 3 x 12 din 6885b parrl key sq end s | 50 |
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| MSTC | MA | Machine Key (Square & Rectangular) | Steel | Plain | M5 x 3 x 12 | 5 x 3 x 12 din 6885a parl key stl pl | 149 |
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| MSTC | MA | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 14 | 3 x 3 x 14 din 6885a parl key stl pl | 115 |
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| MSTC | MA | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 32 | 3 x 3 x 32 din 6885b parrl key sq end s | 200 |
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| MSTC | MA | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 12 | 3 x 3 x 12 din 6885a parl key stl pl | 237 |
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| MSTC | MA | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 6 | 3 x 3 x 6 din 6885a parl key stl pl | 157 |
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| Hewes | NY | Machine Key (Square & Rectangular) | Steel | Plain | M3 x 3 x 10 | M3x3 x 10 parallel key bn 870 | 42 |
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