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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.

19 results, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
NAPPCOTXMachine Key (Square & Rectangular)SteelZinc/Clear5/16 x 5/16 x 365/16 x 5/16 x 36 square key zp rohs (60-KEYS and KEY TOOLS) (60-KEYS and KEY TOOLS) (60-KEYS and KEY TOOLS) (60-KEYS and KEY TOOLS) (60-KEYS and KEY TOOLS) (60-KEYS and KEY TOOLS) (60-KEYS and KEY TOOLS) (60-KEYS and KEY TOOLS) (60-KEYS and KEY TOOLS) (60-KEYS and KEY TOOLS) (60-KEYS and KEY TOOLS) (60-KEYS and KEY TOOLS) (60-KEYS and KEY TOOLS) (60-KEYS and KEY TOOLS) (60-KEYS and KEY TOOLS) (60-KEYS and KEY TOOLS) (60-KEYS and KEY TOOLS) (60-KEYS and KEY TOOLS) (60-KEYS and KEY TOOLS)2
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ManscoMIMachine Key (Square & Rectangular)SteelPlain5/16 x 5/16 x 4-1/8 square key pln260
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ManscoMIMachine Key (Square & Rectangular)SteelPlain5/16 x 5/16 x 2 square key pln140
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ManscoMIMachine Key (Square & Rectangular)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 5/16 x 1-1/2 square key 18-8 s.s.101
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Field FasILMachine Key (Square & Rectangular)SteelPlain1/4 x 5/16 x 1 3/41/4x5/16x1 3/4 rectangular key oversized alloy stl rc40-50 heat treat pln53
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Field FasILMachine Key (Square & Rectangular)SteelPlain1/4 x 5/16 x 11/4x5/16x1 rectangular key rd end on 5/16 dimension oversize alloy stl rc 40-50 pln204
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SWACOOHMachine Key (Square & Rectangular)SteelPlain5/16 x 5/16 x 12sq key 5/16x5/16x12 cs pln4
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SWACOOHMachine Key (Square & Rectangular)SteelPlain5/16 x 5/16 x 15/16x5/16x1 cut key39
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MidStatesMIMachine Key (Square & Rectangular)SteelPlain5/16 x 5/16machinery key-both ends rnd2
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MidStatesMIMachine Key (Square & Rectangular)SteelPlain5/16 x 5/16machinery key-both ends rnd3
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WDMBIAMachine Key (Square & Rectangular)SteelPlain5/16 x 5/16 x 2key mach us sq b 5/16x5/16x2315
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ISSCOMOMachine Key (Square & Rectangular)Grade 2Plain5/16 x 5/16 x 1 1/2square-.001/.000800
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ISSCOMOMachine Key (Square & Rectangular)Grade 2Plain5/16 x 5/16 x 1 1/4square-.001/.000750
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ISSCOMOMachine Key (Square & Rectangular)Grade 2Plain5/16 x 5/16 x 2square +.001/.0002685
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ISSCOMOMachine Key (Square & Rectangular)Grade 2Plain5/16 x 5/16 x 2 1/2square +.001/.000800
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PENCOMOntMachine Key (Square & Rectangular)SteelPlain5/16 x 5/16 x 25/16x5/16x2 machine key stl pln80
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NAPPCOTXMachine Key (Square & Rectangular)SteelZinc/Clear5/16 x 5/16 x 365/16x5/16x36 square key zp rohs2
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OBRIENOHMachine Key (Square & Rectangular)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 5/16 x 1'5/16 x 5/16 x 1 ft kystk s/s2
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WurthINMachine Key (Square & Rectangular)SteelPlain5/16 x 5/16 x 1 1/25/16 x 5/16 x 1-1/2 gib head key steel 522725230
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