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3/16 Machine Keys
Machine Keys, or Parallel 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.
79 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 | 3/16 x 3/16 | 351298 key square 3/16 x 3/16 round ends 2 3/4 leng c1018 steel rev- | 200 |
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| Century | FL | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 3/4 | 3/16 x 3/4 square key steel | 900 |
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| Century | FL | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 1 5/8 | 3/16 x 1 5/8 square key steel | 200 |
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| Century | FL | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 1 3/8 | 3/16 x 1 3/8 square key steel | 50 |
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| Century | FL | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 1 | 3/16 x 1 square key steel | 795 |
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| Century | FL | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 7/8 | 3/16 x 7/8 square key steel | 850 |
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| Jackson | MS | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 1 1/4 | key machine square | 43 |
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| Endries | WI | Machine Key (Square & Rectangular) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/16 x 1 | 3/16x1 18-8 stainless steel square undersized machine key | 1700 |
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| Hayes | CA | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 3/16 x 3/4 | ms20066-183 3/16 x 3/16 x 3/4 gr c keystock steel | 300 |
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| Endries | WI | Machine Key (Square & Rectangular) | Plain | 3/16 x 1 1/8 | 3/16x1-1/8 square machine key undersized plain | 300 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Zinc/Clear | 3/16 x 3/16 x 1 3/8 | 3/16x3/16x1-3/8 square undersized machine key trivalent clear zinc | 1091 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 15/16 | 3/16x15/16 square machine key undersized plain | 100 |
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| Endries | WI | Machine Key (Square & Rectangular) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/16 x 1 1/4 | 3/16x1-1/4 18-8 stainless steel square machine key undersized | 500 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 2 1/2 | 3/16 x 2 1/2 sq machine key .001 oversize | 45 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 3/16x9/16 square machine key undersized plain | 6 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 3/16x1-1/4 square machine key undersized plain | 25 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 3/8 | 3/16x3/8 square machine key undersized plain | 1100 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 1/2 | 3/16x1/2 oversized square machine key plain round both ends | 1457 |
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| Endries | WI | Machine Key (Square & Rectangular) | Plain | 3/16 x 7/8 | 3/16x7/8 square key with one radial end plain | 250 |
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| SWACO | OH | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 3/16 x 12 | sq key 3/16x3/16x12 cs pln | 55 |
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| SWACO | OH | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 3/16 x 1 | 3/16x3/16x1 cut key | 491 |
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| SWACO | OH | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 1/4 x .86 | 3/16x1/4x.86 cut key | 100 |
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| SWACO | OH | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 3/16 x 1 3/8 | 3/16x3/16x1 3/8 cut key | 762 |
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| SWACO | OH | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 3/16 x 1 1/2 | 3/16x3/16x1 1/2 cut key +.001/-.000 | 934 |
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| SWACO | OH | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 3/16 x 3/4 | 3/16x3/16x3/4 cut key +.001/-.000 | 311 |
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| SWACO | OH | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 3/16 x 1 1/4 | 3/16x3/16x1 1/4 cut key +.001/-.000 | 54 |
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| NAPPCO | TX | Machine Key (Square & Rectangular) | Steel | Zinc/Clear | 3/16 x 3/16 x 36 | 3/16 x 3/16 x 36 square key zp rohs | 5 |
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| OneMonroe | NC | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 1/2 | 3/16 x 1/2 square key squared ends stl | 50 |
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| Alma Bolt | MI | Machine Key (Square & Rectangular) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/16 x 3/16 x 2 1/2 | 3/16 x 3/16 x 2 1/2 square | st. st. machine key | 219 |
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| Liberty | IL | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 12 | square key | 4 |
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| Liberty | IL | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 2 | square key | 80 |
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| Liberty | IL | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 1 9/32 x 5/32 | 3/16 x 1 9/32 x 5/32 rect. key plain plain K15018N0128 | 5 |
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| Liberty | IL | Machine Key (Square & Rectangular) | Steel | Zinc/Clear | 3/16 x 12 | square key | 5 |
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| Liberty | IL | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 7/8 | square key | 2,000 |
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| Liberty | IL | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 1 3/8 | square key | 90 |
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| Liberty | IL | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 3/16 x 1 | machine key oversized square ends | 150 |
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| Endries | WI | Machine Key (Square & Rectangular) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/16 x 3 1/2 | 3/16 x 3 1/2 sq machine key 304ss | 1 |
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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 1 | 3/16x1 square machine key undersized plain | 200 |
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| Field Fas | IL | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 1/4 x 11/16 | 3/16 x 1/4 x 11/16 rectangular key oversized alloy stl rc40-50 pln | 140 |
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| Field Fas | IL | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 1 1/2 | 3/16 x 1 1/2 square key oversized alloy stl rc 40-50 heat treat pln | 400 |
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| Field Fas | IL | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 7/8 | 3/16 x 7/8 square key undersize stl pln | 2650 |
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| Field Fas | IL | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 1 | 3/16 x 1 square key round ends undersize stl pln | 296 |
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| Field Fas | IL | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 1 1/2 | 3/16 x 1 1/2 square key undersize hardened stl pln | 160 |
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| Wurth Ind | IN | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 3/16 x 3 | key mach b us 1018 pl 3/16x3/16x3 steel plain | 5192 |
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| Wurth Ind | IN | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 3/16 x 3 | key mach b os 1018 pl 3/16x3/16x3 steel plain | 500 |
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| Wurth Ind | IN | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 3/16 x 7/8 | key mach b us 1018 pl 3/16x3/16x7/8 steel plain | 1290 |
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| WINA | MN | Machine Key (Square & Rectangular) | Aluminum | Plain | 3/16 x 3/16 x 3 | key mach b os 1018 pl 3/16x3/16x3 | 500 |
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| WINA | MN | Machine Key (Square & Rectangular) | Aluminum | Plain | 3/16 x 3/16 x 7/8 | key mach b us 1018 pl 3/16x3/16x7/8 | 1290 |
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| WINA | MN | Machine Key (Square & Rectangular) | Aluminum | Plain | 3/16 x 3/16 x 3 | key mach b us 1018 pl 3/16x3/16x3 | 5192 |
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| Mansco | MI | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 3/16 x 13/16 | 3/16x3/16x13/16 square key pln | 718 |
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| Mansco | MI | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 3/16 x 1 29/32 | 3/16x3/16x1-29/32 square key pln | 391 |
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| Mansco | MI | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 3/16 x 1-5/16 square key pln | 250 |
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| Mansco | MI | Machine Key (Square & Rectangular) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/16 x 3/16 x 1 1/4 | 3/16x3/16x1-1/4 square key 18-8 s/s | 100 |
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| Mansco | MI | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 3/16 x 29/32 | 3/16 x 3/16 x 29/32 square key pln | 15 |
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| Mansco | MI | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 3/16 x 1 1/8 | 3/16x3/16x1-1/8 square key pln | 204 |
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| Mansco | MI | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 3/16 x 2 5/8 | 3/16 x 3/16 x 2-5/8 square key pln | 11 |
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| Mansco | MI | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 3/16 x 11/16 | 3/16x3/16x11/16 square key pln | 485 |
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| MidStates | MI | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 3/16 | sq machinery key 2-1/2 | 2 |
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| MidStates | MI | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 3/16 x .875 | 3/16 x 3/16 x .875 machine key | 200 |
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| WDMB | IA | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 1/8 x 1/2 | key rectangular st (pl) 3/16x1/8x1/2 drw (W000) (W000) (W000) | 2,490 | < b>
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| Purchase | MO | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 1 | 3/16 x 1 square key | 211 |
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| IPC | VA | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 9/16 | 3/16x9/16 sq. key one end rnd. c of c req. (jg1-3/16x9) per mes-0007 spec | 685 |
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| IPC | VA | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 1 | 3/16x1 sq. key one end rnd. c of c req. per mes-0007 spec | 356 |
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| IPC | VA | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 3/4 | 3/16x3/4 sq. key rnd ends c of c req. per mes spec 007 (jf1-3/16x12) | 384 |
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| IPC | VA | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 1 3/16 | 3/16x1 3/16 sq. key rnd ends c of c req. per mes-0007 spec (jf1-3/16x19) | 64 |
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| IPC | VA | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 1 1/2 | 3/16x1 1/2 sq. key one end rnd. including mil-test reports identifying the material heat treat tensile and yield per mes-0007 spec (jg1-3/16x24) | 57 |
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| IPC | VA | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 15/16 | 3/16x15/16 sq. key one end rnd. c of c req. per mes-0007 spec | 326 |
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| IPC | VA | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 2 1/8 | 3/16x2 1/8 sq. key rnd ends c of c req. per mes-0007 spec (jf1-3/16x34) | 32 |
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| IPC | VA | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 5/8 | 3/16x5/8 sq. key rnd ends c of c req. per mes-0007 spec (jf1-3/16x10) | 313 |
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| IPC | VA | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 3/4 | 3/16x3/4 sq. key one end rnd. including mil-test report identifying the material heat treat tensile and yield per mes-0007 spec (jg1-3/16x12) | 135 |
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| WDMB | IA | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 1 | key mach square under st (pl) 3/16x1 (W0C0) | 28,000 |
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| WDMB | IA | Machine Key (Square & Rectangular) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/16 x 3/4 | key mach square b under sst 303 3/16x3/4 (W0C0) | 5,040 |
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| WDMB | IA | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 3/16 x 3/4 | key mach us sq b hard 3/16x3/16x3/4 (W050) | 303 |
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| WDMB | IA | Machine Key (Square & Rectangular) | Steel | Plain | 3/16 x 1/4 x 1 7/64 | key rect st (pl) 3/16x1/4x1 7/64 | 32 |
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| WDMB | IA | Machine Key (Square & Rectangular) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/16 x 1 1/4 | key mach sqr b under (18 8) 3/16x1 1/4 (W020) (W020) | 12,000 |
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| ISSCO | MO | Machine Key (Square & Rectangular) | Grade 2 | Plain | 3/16 x 3/16 x 2 1/8 | square-.001/.000 | 2000 |
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| IRF | NJ | Machine Key (Square & Rectangular) | Brass | Plain | 3/16 x 3/16 x 1 1/2 | long square key | 1039 |
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| IRF | NJ | Machine Key (Square & Rectangular) | Brass | Plain | 3/16 x 3/16 x 1 1/2 | long square key | 1039 |
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| WSB | KY | Machine Key (Square & Rectangular) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/16 x 1 1/4 | key mach sqr b under (18-8) 3/16x1 1/4 | 12,000 |
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