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3/8 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.
30 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 | |
| Jackson | MS | Machine Key (Square & Rectangular) | Steel | Plain | 3/8 x 5/8 x 12 | key machine rectangle | 6 |
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| Jackson | MS | Machine Key (Square & Rectangular) | Steel | Plain | 3/8 x 1/2 x 12 | key machine rectangle | 20 |
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| SWACO | OH | Machine Key (Square & Rectangular) | Steel | Plain | 3/8 x 3/8 x 12 | sq key 3/8 x 3/8 x 12 cs pln | 167 |
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| NAPPCO | TX | Machine Key (Square & Rectangular) | Steel | Zinc/Clear | 3/8 x 3/8 x 36 | 3/8 x 3/8 x 36 square key zp rohs | 50 |
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| Wurth Con | NY | Machine Key (Square & Rectangular) | Steel | Zinc/Clear | 3/8 x 6 | 3/8 x 6 square key both ends square form b steel zinc clear trivalent | 1945 |
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| WDMB | IA | Machine Key (Square & Rectangular) | Steel | Plain | 3/8 x 1/2 x 1 3/4 | key mach us rect b 3/8x1/2x1 3/4 | 315 |
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| WDMB | IA | Machine Key (Square & Rectangular) | Steel | Plain | 3/8 x 3/8 x 2 | key mach us sq b 3/8x3/8x2 | 675 |
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| WDMB | IA | Machine Key (Square & Rectangular) | Steel | Plain | 3/8 x 3/8 x 3 1/2 | key mach us sq b hard 3/8x3/8x3 1/2 | 250 |
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| WDMB | IA | Machine Key (Square & Rectangular) | Steel | Plain | 3/8 x 3/8 x 1 5/8 | key mach us sq b hard 3/8x3/8x1 5/8 | 16 |
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| WDMB | IA | Machine Key (Square & Rectangular) | Steel | Plain | 3/8 x 3/8 x 3 3/4 | key mach us sq b hard 3/8x3/8x3 3/4 | 573 |
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| Mansco | MI | Machine Key (Square & Rectangular) | Steel | Plain | 3/8 x 3/8 x 12 1 | 3/8x3/8x12 square key 10/box | 5 |
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| Mansco | MI | Machine Key (Square & Rectangular) | Steel | Plain | 3/8 x 1/2 x 1 1/4 | undersize machine key | 19 |
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| Irwin Ind | Ont | Machine Key (Square & Rectangular) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 x 3/8 x 1.000 | 3/8 x 3/8 x 1.000 machine key undersize stainless steel | 16 |
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| Mansco | MI | Machine Key (Square & Rectangular) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 x 3/8 x 1 1/4 | square key 18-8 s/s | 174 |
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| B & K FAST | PA | Machine Key (Square & Rectangular) | Steel | Plain | 3/8 | 3/8 machinery keys x 1 1/2 | 276 |
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| B & K FAST | PA | Machine Key (Square & Rectangular) | Steel | Plain | 3/8 | 3/8 machinery keys x 2 1/2 | 452 |
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| MidStates | MI | Machine Key (Square & Rectangular) | Steel | Plain | 3/8 x 1/4 | machinery key-both ends rnd 1- | 92 |
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| WSB | KY | Machine Key (Square & Rectangular) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 x 3 1/2 | key mach sqr b under (18-8) 3/8x3 1/2 | 624 |
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| Liberty | IL | Machine Key (Square & Rectangular) | Steel | Plain | 3/8 x 2 | square key | 70 |
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| Liberty | IL | Machine Key (Square & Rectangular) | Steel | Plain | 3/8 x 7/8 | square key | 500 |
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| Liberty | IL | Machine Key (Square & Rectangular) | Steel | Zinc/Clear | 3/8 x 12 | square key | 18 |
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| ISSCO | MO | Machine Key (Square & Rectangular) | Grade 2 | Plain | 3/8 x 3/8 x 1 | square +.001/.000 | 1040 |
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| ISSCO | MO | Machine Key (Square & Rectangular) | Grade 2 | Plain | 3/8 x 3/8 x 2 1/2 | square +.001/.000 | 375 |
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| ISSCO | MO | Machine Key (Square & Rectangular) | Grade 2 | Plain | 3/8 x 3/8 x 1 1/2 | square +.001/.000 | 4630 |
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| ISSCO | MO | Machine Key (Square & Rectangular) | Steel | Plain | 3/8 x 1 1/2 | gib head key 5/16 taper | 1216 |
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| ISSCO | MO | Machine Key (Square & Rectangular) | Steel | Plain | 3/8 x 3 1/2 | gib head key 5/16 taper | 250 |
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| ISSCO | MO | Machine Key (Square & Rectangular) | Steel | Plain | 3/8 x 2 1/4 | gib head key 5/16 taper | 525 |
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| Revcar | VA | Machine Key (Square & Rectangular) | Steel | Plain | 3/8 x 1 5/8 | sq key sq ends | 550 |
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| Wurth | IN | Machine Key (Square & Rectangular) | Steel | Plain | 3/8 x 1 1/4 | 3/8 x 1-1/4 square key class 2 c1018 w/ chamfered ends per print 8212 rev 06 | 422 |
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| SBS | MA | Machine Key (Square & Rectangular) | Steel | Plain | 3/8 x 5/8 x 2 | mach rectangular key |
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