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5/16 inch 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.
31 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 | |
| Field Fas | IL | Machine Key (Square & Rectangular) | Steel | Plain | 9/32 x 5/16 x 1 | 9/32 x 5/16 x 1 rectangular key rd ends (radius on .313/.3125 dimension) oversize alloy stl rc 40-50 pln | 167 |
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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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| Endries | WI | Machine Key (Square & Rectangular) | Steel | Plain | 3/8 x 5/16 x 3 | 3/8x5/16x3in undersized rectangular machine key plain | 130 |
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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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| 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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| 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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| 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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| Mansco | MI | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 5/16 x 1 5/8 | 1/4 x 5/16 x 1-5/8 flat machine key pln | 19 |
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| Mansco | MI | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 5/16 x 1 5/8 | 1/4 x 5/16 x 1-5/8 flat machine key pln | 1 |
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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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| 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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| 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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| Field Fas | IL | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 5/16 x 1 3/4 | 1/4x5/16x1 3/4 rectangular key oversized alloy stl rc40-50 heat treat pln | 53 |
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| Field Fas | IL | Machine Key (Square & Rectangular) | Steel | Plain | 1/4 x 5/16 x 1 | 1/4x5/16x1 rectangular key rd end on 5/16 dimension oversize alloy stl rc 40-50 pln | 204 |
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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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| 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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| 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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| 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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| 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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| 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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