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5 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.
77 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 | |
| MidStates | MI | Machine Key (Square & Rectangular) | Steel | Plain | 5/32 x 5/32 | sq machinery key 1/2in | 3000 |
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| NAPPCO | TX | Machine Key (Square & Rectangular) | Steel | Zinc/Clear | 5/16 x 5/16 x 36 | 5/16 x 5/16 x 36 square key zp rohs | 2 |
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| OBRIEN | OH | Machine Key (Square & Rectangular) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x 5/16 x 1' | 5/16 x 5/16 x 1 ft kystk s/s | 2 |
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| ISSCO | MO | Machine Key (Square & Rectangular) | Grade 2 | Plain | 5/16 x 5/16 x 1 1/2 | square-.001/.000 | 800 |
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| ISSCO | MO | Machine Key (Square & Rectangular) | Grade 2 | Plain | 5/16 x 5/16 x 1 1/4 | square-.001/.000 | 750 |
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| ISSCO | MO | Machine Key (Square & Rectangular) | Grade 2 | Plain | 5/16 x 5/16 x 2 | square +.001/.000 | 2685 |
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| ISSCO | MO | Machine Key (Square & Rectangular) | Grade 2 | Plain | 5/16 x 5/16 x 2 1/2 | square +.001/.000 | 800 |
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| MidStates | MI | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 5/16 | machinery key-both ends rnd | 2 |
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| MidStates | MI | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 5/16 | machinery key-both ends rnd | 3 |
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| WDMB | IA | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 5/16 x 2 | key mach us sq b 5/16x5/16x2 | 315 |
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| Wurth | IN | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 5/16 x 1 1/2 | 5/16 x 5/16 x 1-1/2 gib head key steel 522725 | 230 |
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| NAPPCO | TX | Machine Key (Square & Rectangular) | Steel | Zinc/Clear | 5/16 x 5/16 x 36 | 5/16x5/16x36 square key zp rohs | 2 |
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| SWACO | OH | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 5/16 x 12 | sq key 5/16x5/16x12 cs pln | 4 |
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| PENCOM | Ont | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 5/16 x 2 | 5/16x5/16x2 machine key stl pln | 80 |
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| National | Ont | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 5/16 x 3 | sq key ms20068-203 5/16 x5/16 x3 | 2 |
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| SWACO | OH | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 5/16 x 1 | 5/16x5/16x1 cut key | 39 |
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| WINA | MN | Machine Key (Square & Rectangular) | Aluminum | Plain | 5/16 x 5/16 x 1 | key mach b us 1018 pl 5/16x5/16x1 | 1711 |
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| WINA | MN | Machine Key (Square & Rectangular) | Aluminum | Plain | 5/16 x 5/16 x 1 1/4 | key mach b us 1018 pl 5/16x5/16x1 1/4 | 245 |
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| WINA | MN | Machine Key (Square & Rectangular) | Aluminum | Plain | 5/16 x 5/16 x 2 | key mach b us 1018 pl 5/16x5/16x2 | 227.75 |
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| Mansco | MI | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 5/16 x 4-1/8 square key pln | 160 |
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| Mansco | MI | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 5/16 x 2 square key pln | 140 |
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| Mansco | MI | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 5/16 x 4 1/8 5 | 5/16x5/16x4-1/8 square key pln 5/bag | 51 |
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| Wurth Ind | IN | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 5/16 x 1 1/4 | key mach b us 1018 pl 5/16x5/16x1 1/4 steel plain | 245 |
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| Mansco | MI | Machine Key (Square & Rectangular) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x 5/16 x 1-1/2 square key 18-8 s.s. | 101 |
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| Wurth Ind | IN | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 5/16 x 2 | key mach b us 1018 pl 5/16x5/16x2 steel plain | 227.75 |
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| Wurth Ind | IN | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 5/16 x 1 | key mach b us 1018 pl 5/16x5/16x1 steel plain | 1711 |
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| Jackson | MS | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 3/8 x 12 | key machine rectangle | 22 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 3/8 x 5 1/2 | 5/16x3/8x5-1/2 rectangular machine key | 74 |
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| Field Fas | IL | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 3/8 x 2 1/4 rectangular key undersize stl pln | 188 |
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| Jackson | MS | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 1/2 x 12 | key machine rectangle | 3 |
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| Century | FL | Machine Key (Square & Rectangular) | Steel | Plain | 5/8 x 5/8 x 2 1/2 | 5/8 x 5/8 x 2 1/2 square key steel | 50 |
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| NAPPCO | TX | Machine Key (Square & Rectangular) | Steel | Zinc/Clear | 5/8 x 5/8 x 36 | 5/8 x 5/8x 36 square key zp rohs | 2 |
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| MidStates | MI | Machine Key (Square & Rectangular) | Steel | Plain | 5/8 x 5/8 | machinery key-both ends rnd 2- | 1 |
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| WDMB | IA | Machine Key (Square & Rectangular) | Steel | Plain | 5/8 x 5/8 x 1 1/2 | machine key us sq b haround 5/8x5/8x1 1/2 (W050) | 121 |
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| FACCA | Ont | Machine Key (Square & Rectangular) | Steel | Plain | 5/8 x 5/8 x 8 1/2 | standard gib head machine key 5/8 x 5/8 x 8 1/2 c-1018 steel plain | 192 |
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| NAPPCO | TX | Machine Key (Square & Rectangular) | Steel | Zinc/Clear | 5/8 x 5/8 x 36 | 5/8x5/8x 36 square key zp rohs | 2 |
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| SWACO | OH | Machine Key (Square & Rectangular) | Steel | Plain | 5/8 x 5/8 x 12 | sq key 5/8x5/8x12 cs pln | 26 |
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| Mansco | MI | Machine Key (Square & Rectangular) | Steel | Plain | 5/8 x 5/8 x 12 | square key 1/box | 6 |
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| Century | NY | Machine Key (Square & Rectangular) | Steel | Plain | 5/8 x 5/8 x 2 1/2 square key steel | 50 |
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| Field Fas | IL | Machine Key (Square & Rectangular) | Steel | Plain | 5/8 x 3/4 | 5/8 x 3/4 square key oversized alloy stl rc 40-50 heat treat pln | 15 |
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| Field Fas | IL | Machine Key (Square & Rectangular) | Steel | Plain | 5/32 x .79 | 5/32 x .79 square key undersize 1045 alloy stl pln | 432 |
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| Jackson | MS | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 1 | key machine square | 263 |
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| ISSCO | MO | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 1 1/4 | gib head key 5/16 taper | 505 |
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| ISSCO | MO | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 1 1/2 | gib head key 5/16 taper | 2440 |
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| Liberty | IL | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 1 1/2 | long special square key with .039 chamer on 2 corners per print per print | 200 |
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| IPC | VA | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 1 11/16 | 5/16x1 11/16 sq. key one end rnd. c of c req. (jg1-5/16x27) per mes-0007 spec | 196 |
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| ISSCO | MO | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 1 3/4 | gib head key 5/16 taper | 450 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 5/8 x 17 1/2 | 5/8x17-1/2 square key +.001-.000 | 32 |
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| Liberty | IL | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 2 | square key | 15 |
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| Field Fas | IL | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 2 1/8 | 5/16 x 2 1/8 square key undersize stl pln | 50 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 5/8 x 2.25 | 5/8x2.25 square machine key undersized plain | 200 |
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| Field Fas | IL | Machine Key (Square & Rectangular) | Steel | Plain | 5/8 x 2 1/4 | 5/8x2 1/4 square key 1018 stl pln | 4,556 |
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| ISSCO | MO | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 2 3/4 | gib head key 5/16 taper | 455 |
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| WDMB | IA | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 2 3/4 | key gib st 1018 (pl) 5/16x2 3/4 drw (W0S0) | 292 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 5/8 x 3 1/2 | 5/8x3-1/2 1018 steel square machine key undersized plain | 140 |
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| Wurth | IN | Machine Key (Square & Rectangular) | Steel | Plain | 5/8 x 3 1/2 | 5/8 x 3-1/2 square key class 2 c1018 w/ chamfered ends per print 8212 rev 06 | 505 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 5/8 x 4 1/4 | 5/8x4-1/4 square machine key undersized plain | 20 |
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| Irwin Ind | Ont | Machine Key (Square & Rectangular) | Steel | Plain | 5 x 5 x 20 | 5 x 5 x 20mm steel shaft key | 868 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 5 x 5 x 25 | 5x5x25mm square key | 1600 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 5/8 x 5 1/2 | 5/8x5-1/2 square machine key undersized plain | 13 |
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| Liberty | IL | Machine Key (Square & Rectangular) | Steel | Zinc/Clear | 5/16 x 12 | square key zinc | 5 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 5/8 x 13 3/4 | 5/8x13-3/4 square machine key oversized +.001-.000 plain | 42 |
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| Endries | WI | Machine K ey (Square & Rectangular) | Steel | Plain | 5/8 x 4 .001 | 5/8x4 in. square key +.001-.000 | 38 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 5/8 x 12 .001 | 5/8x12 square key +.001-.000 | 52 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 5/8 x 15 .001 | 5/8x15 square key +.001-.000 | 41 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 5/8 x 20 .001 | 5/8x20 square key .001-.000 | 20 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 3 | 5/16x3 square machine key undersized plain | 120 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 5/8 x 3 11/16 | 5/8x3-11/16 square machine key undersized plain | 3 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 5/16x1-3/4 square machine key undersized plain | | 65 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 5/8x5 square machine key undersized plain | 64 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 3 sq machine key type-a | 298 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 5/8x2-1/16 square machine key undersized plain | 42 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 5/8 x 4 | 5/8x4in square machine key undersized plain | 20 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 2 | 5/16x2 square machine key undersized plain | 150 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 5/8 x 2 | 5/8x2 square machine key +.001/-.000 | 40 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 x 2 1/4 | 5/16x2-1/4 1045 heat treat undersized square machine key plain | 1817 |
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| NutsBolts | NE | Machine Key (Square & Rectangular) | Steel | Plain | 5/16 | 5/16 square snap wire pin | 323 |
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