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1/4 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.
56 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 | |
| NAPPCO | TX | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1/4 x 3/4 | 1/4x1/4x3/4l square key plain ansi b17.1 | 319 |
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| NAPPCO | TX | Machine Key (Square & Rectangular) | Steel | Zinc/Clear | 1/4 x 1/4 x 36 | 1/4 x 1/4 x 36 square key zp rohs | 9 |
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| NAPPCO | TX | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1/4 x 1 1/2 | 1/4x1/4x1-1/2 square keys | 103 |
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| SWACO | OH | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1/4 x 12 | sq key 1/4x1/4x12 cs pln | 160 |
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| Hayes | CA | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1/4 x 3/4 | ms20066-250 1/4 x 1/4 x 3/4 gr c keystock steel | 300 |
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| MTP | CA | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1/4 x .740 | 1/4 x 1/4 x .740 steel 1018 undersized key stock sq end | 425 |
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| WDMB | IA | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 3 1/4 | key square 1018 1/4x3 1/4 | 3,777 |
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| WDMB | IA | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 2 1/8 | key mach sqr under st (pl) 1/4x2 1/8 | 400 |
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| Mansco | MI | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1/4 x 1 7/8 | 1/4x1/4x1-7/8 square key pln | 570 |
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| Mansco | MI | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1/4 x 1 3/16 | 1/4x1/4x1-3/16 square key pln | 332 |
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| Mansco | MI | Machine Key (Square & Rectangular) | Steel | Zinc/Clear | 1/4 x 1/4 x 1 | 1/4x1/4x1 square key triv znc | 50 |
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| Sonfast | PA | Machine Key (Square & Rectangular) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Zinc/Clear | 1/4 x 1 5/8 | 1/4x1-5/8 straight pin square end asme b18.8.2 low carb steel zinc | 20,620 |
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| Hodell | OH | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1/4 x 1 1/4 501 016 016 | 1/4x1/4x1 1/4 std machine key 501-016-016-116 b.e.s. | 100 |
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| NAPPCO | TX | Machine Key (Square & Rectangular) | Steel | Zinc/Clear | 1/4 x 1/4 x 36 | 1/4x1/4x36 square key zp rohs | 9 |
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| NAPPCO | TX | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1/4 x 3/4 | 1/4x1/4x3/4l square key plain ansi b17.1 | 319 |
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| Liberty | IL | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1/4 x 6 | square key | 150 |
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| Liberty | IL | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1 3/4 | square key | 130 |
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| Liberty | IL | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1 | square key | 1,000 |
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| Liberty | IL | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 3 | square key | 150 |
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| Liberty | IL | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 2 | square key | 50 |
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| Liberty | IL | Machine Key (Square & Rectangular) | Steel | Zinc/Clear | 1/4 x 12 | square key | 6 |
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| Century | FL | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1 1/2 | 1/4 x 1 1/2 square key | 180 |
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| Century | FL | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1 3/4 | 1/4 x 1 3/4 square key | 20 |
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| Mansco | MI | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1/4 x 12 1 | 1/4 x 1/4 x 12 square key pln 1/box | 1 |
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| Jackson | MS | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 2 | ... key machine square | 66 |
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| Jackson | MS | Machine Key (Square & Rectangular) | Steel | Zinc/Clear | 1/4 x 3/8 x 12 | rectangle key | 15 |
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| Irwin Ind | Ont | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1/4 x 1 1018 1045 | 1/4x1/4x1 machine key 1018-1045 steel | 51 |
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| MidStates | MI | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1/4 | sq machinery key 3-1/4in | 485 |
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| MidStates | MI | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 3/16 | sq machinery key 1-1/4in | 4 |
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| ISSCO | MO | Machine Key (Square & Rectangular) | Grade 2 | Zinc/Clear | 1/4 x 1/4 x 2 5/8 | square +.001/.000 | 1590 |
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| ISSCO | MO | Machine Key (Square & Rectangular) | Grade 2 | Plain | 1/4 x 1/4 x 3/4 | square +.001/.000 | 825 |
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| ISSCO | MO | Machine Key (Square & Rectangular) | Grade 2 | Plain | 1/4 x 1/4 x 4 | square-.001/.000 | 525 |
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| ISSCO | MO | Machine Key (Square & Rectangular) | Grade 2 | Plain | 1/4 x 1/4 x 1/2 | square-.001/.000 | 695 |
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| ISSCO | MO | Machine Key (Square & Rectangular) | Grade 2 | Plain | 1/4 x 1/4 x 6 | square-.002/.001 | 247 |
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| ISSCO | MO | Machine Key (Square & Rectangular) | Grade 2 | Zinc/Clear | 1/4 x 1/4 x 2 | square +.001/.000 | 700 |
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| Hewes | NY | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 3/4 | sqr keysundersize stl | 120 |
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| Hewes | NY | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1/4 x 2 7/8 | sqr keyprint# 843-4-46length tolerance +/-.010 | 175 |
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| Hewes | NY | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1 1/2 | sqr key | 194 |
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| Hewes | NY | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 2 1/8 | sqr keysundersize stl | 110 |
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| Hewes | NY | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1/4 x 1 3/4 | sqr keyprint #843-4-28 | 159 |
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| Hewes | NY | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1 3/16 | sqr keysundersize stl | 110 |
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| Hewes | NY | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1 1/4 | sqr key | 250 |
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| Hewes | NY | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 3 3/8 | sqr keysundersize | 120 |
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| Hewes | NY | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1 1/4 | sqr keysundersize stl | 200 |
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| Hewes | NY | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1 | 1/4 x 1 sqr key | 2 |
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| Hewes | NY | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 2 | 1/4x 2 sqr key | 25 |
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| AFI | FL | Machine Key (Square & Rectangular) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4 x 1/4 x 5/8 | 1/4x1/4x5/8 machine key ss | 120 |
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| AFI | FL | Machine Key (Square & Rectangular) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4 x 1/4 x 1/2 | 1/4x1/4x1/2 machine key ss | 237 |
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| AFI | FL | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1 1/4 | 1/4x1-1/4 square key c1018 st | 274 |
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| Revcar | VA | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1 1/4 | sq key sq ends | 49,641 |
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| Wurth | IN | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 3 1/4 | 1/4 x 3-1/4 square key 1018 steel | 4,379 |
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| Wurth | IN | Machine Key (Square & Rectangular) | Grade 2 | Plain | 1/4 x 2 | 1/4 x 2 square key grade 2 steel pack 50 per poly bag | 7,016 |
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| Timberline | CO | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1 3/4 | sq key st 1/4 x 1-3/4 | 904 |
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| Alma Bolt | MI | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1/4 x 3/4 | 1/4 x 1/4 x 3/4 square machine key plain | 1022 |
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| SBS | MA | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 1/4 x 1 9/16 | machnry key w/2 sq |
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| SBS | MA | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 5/16 x 2 3/4 | mach rectangular key |
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