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1/2 inch length Cotter Pins (ASME B18. 8.1)

Split Pins, also known as Cotter Keys, or Cotter Pins, are “U” shaped metal engineered fasteners with two tines that are inserted into a hole during installation and bent to stop the cotter pin from coming out of the hole.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
AbabaCACotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/16 x 1/21/16 x 1/2 cotter pin s/s b18.8.1493
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AbabaCACotter Pin (Split Pin)SteelZinc/Clear3/32 x 1/23/32 x 1/2 cotter pin stl znc b18.8.177
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AbabaCACotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/32 x 1/23/32 x 1/2 cotter pin s/s b18.8.11100
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AbabaCACotter Pin (Split Pin)SteelZinc/Clear1/16 x 1/21/16 x 1/2 cotter pin stl znc b18.8.1448
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GLFOHCotter Pin (Split Pin)316, 317, A4 StainlessPlain1/16 x 1/21/16x1/2 cotter pin 316 s/s b18.8.1 () () ()300
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GLFOHCotter Pin (Split Pin)SteelPlain1/32 x 1/2cotter pin MS24665-22 b18.8.1 () () ()3217
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GLFOHCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/16 x 1/21/16x1/2 ss cotter/pin 304ss MS24665-151 b18.8.1 () () ()373
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GLFOHCotter Pin (Split Pin)SteelCadmium/Yellow1/16 x 1/21/16x1/2 steel cotter/pin cad/yellow MS24665-132 b18.8.1 () () ()2710
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GLFOHCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/64 x 1/23/64x1/2 ss cotter/pin 304ss MS24665-86 b18.8.1 () () ()250
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GLFOHCotter Pin (Split Pin)SteelZinc/Clear1/16 x 1/21/16x1/2 cotter pin stl zc b18.8.1 () () ()10134
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GLFOHCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/16 x 1/21/16x1/2 cotter pin 18-8 s/s b18.8.1 () () ()500
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GLFOHCotter Pin (Split Pin)SteelZinc/Clear3/32 x 1/23/32x1/2 cotter pin stl zc b18.8.1 () () ()686
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Irwin IndOntCotter Pin (Split Pin)SteelPlain3/64 x 1/23/64 dia x 1/2 long cotter pin steel plain b18.8.15000
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ASMCILCotter Pin (Split Pin)SteelZinc/Clear1/8 x 1/2low carb zp b18.8.12,700
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ASMCILCotter Pin (Split Pin)SteelZinc/Clear1/16 x 1/2low carb zp b18.8.1165
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AbabaCACotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/16 x 1/21/16 x 1/2 cotter pin s/s b18.8.1200
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AbabaCACotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/32 x 1/23/32 x 1/2 cotter pin s/s b18.8.1100
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JET FITTINGCACotter Pin (Split Pin)SteelPlain1/8 x 1/21/8x1/2 cotter pins extended prong 260310 b18.8.1100
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JET FITTINGCACotter Pin (Split Pin)SteelPlain3/32 x 1/23/32x1/2 cotter pins extended pron 260210 b18.8.1104
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StandardMACotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/64 x 1/23/64x1/2 cotter pin 18-8 stainless steel b18.8.118595
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StandardMACotter Pin (Split Pin)BrassPlain3/32 x 1/23/32x1/2 cotter pin brass b18.8.14050
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StandardMACotter Pin (Split Pin)BrassPlain1/8 x 1/21/8x1/2 cotter pin brass b18.8.12560
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StandardMACotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/8 x 1/21/8x1/2 cotter pin 18-8 stainless steel b18.8.14653
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StandardMACotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/64 x 1/25/64x1/2 cotter pin 18-8 stainless steel b18.8.1100
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QFCTXCotter Pin (Split Pin)SteelZinc/Clear1/16 x 1/21/16x1/2 cotter pin zinc b18.8.1300
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QFCTXCotter Pin (Split Pin)SteelZinc/Clear1/16 x 1/21/16x1/2 cotter pin zinc b18.8.160
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B & K FASTPACotter Pin (Split Pin)SteelZinc/Clear3/32 x 1/23/32 x 1/2 cotter pins zinc b18.8.11860
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B & K FASTPACotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/16 x 1/21/16 x 1/2 cotter pins 18-8 stainless b18.8.1416
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Marine FastenersFLCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/8 x 1/21/8x1/2 cotter pin 18-8 ss 100 per small bag 5 small bags per master pack-generic brand b18.8.121000
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Marine FastenersFLCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/8 x 1/21/8x1/2 cotter pin s/s b18.8.125000
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Marine FastenersFLCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/16 x 1/21/16x1/2 cotter pin 18-8 ss 100 per small bag 5 small bags per master pack-generic brand b18.8.128000
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Marine FastenersFLCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/64 x 1/25/64 x 1/2 cotter pin ss b18.8.128800
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OSSCORICotter Pin (Split Pin)SteelPlain1/8 x 1/21/8x1/2 cotter pin b18.8.1198
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OSSCORICotter Pin (Split Pin)SteelPlain5/32 x 1/25/32x1/2 cotter pin b18.8.1907
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OSSCORICotter Pin (Split Pin)SteelZinc/Clear5/32 x 1/25/32x1/2 cotter pin plated b18.8.196
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OSSCORICotter Pin (Split Pin)SteelZinc/Clear1/16 x 1/21/16x1/2 cotter pin plated b18.8.1700
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OSSCORICotter Pin (Split Pin)SteelZinc/Clear3/32 x 1/23/32x1/2 cotter pin plated b18.8.1200
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OSSCORICotter Pin (Split Pin)SteelZinc/Clear3/64 x 1/23/64x1/2 cotter pin plated b18.8.176
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QFCTXCotter Pin (Split Pin)SteelZinc/Clear1/8 x 1/21/8x1/2 cotter pin zinc b18.8.11000
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THRDFASTFLCotter Pin (Split Pin)SteelZinc/Clear1/16 x 1/2 b18.8.11,382
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THRDFASTFLCotter Pin (Split Pin)BrassPlain1/8 x 1/2 b18.8.1500
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THRDFASTFLCotter Pin (Split Pin)SteelPlain1/8 x 1/2 b18.8.1436
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THRDFASTFLCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/16 x 1/218-8 ss b18.8.199
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THRDFASTFLCotter Pin (Split Pin)SteelZinc/Clear3/32 x 1/2 b18.8.180
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THRDFASTFLCotter Pin (Split Pin)SteelZinc/Clear1/8 x 1/2 b18.8.121
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THRDFASTFLCotter Pin (Split Pin)SteelZinc/Clear1/8 x 1/2 b18.8.11,577
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THRDFASTFLCotter Pin (Split Pin)SteelZinc/Clear1/32 x 1/2 b18.8.11,000
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THRDFASTTNCotter Pin (Split Pin)SteelZinc/Clear3/32 x 1/23/32x1/2 hammer lock b18.8.1200
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THRDFASTALCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/8 x 1/218-8 ss b18.8.1329
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THRDFASTOKCotter Pin (Split Pin)SteelZinc/Clear1/8 x 1/2 b18.8.11,527
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THRDFASTOKCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/16 x 1/218-8 ss b18.8.14
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THRDFASTOKCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/32 x 1/218-8 ss b18.8.1185
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WSBKYCotter Pin (Split Pin)BrassASTM F1941-10 Fe/Zn-Ni1/16 x 1/2pin cot brs (znni) 1/16x1/2 b18.8.11,038
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All SizeTXCotter Pin (Split Pin)SteelPlain1/8 x 1/21/8 x 1/2 cotter pin b18.8.1600
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All SizeTXCotter Pin (Split Pin)SteelPlain7/64 x 1/27/64 x 1/2 cotter pin b18.8.12,551
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DavisILCotter Pin (Split Pin)SteelPlain1/8 x 1/21/8 x 1/2 split roll pin-steel plain b18.8.19,000
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DavisILCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/8 x 1/21/8 x 1/2 split roll pin-stainless b18.8.11,000
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DavisILCotter Pin (Split Pin)SteelPlain3/16 x 1/23/16 x 1/2 split roll pin-steel plain b18.8.1300
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DavisILCotter Pin (Split Pin)SteelZinc/Clear1/16 x 1/21/16 x 1/2 cotter pin zinc b18.8.1350
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FACCAOntCotter Pin (Split Pin)SteelZinc/Clear1/8 x 1/2round cotter pin extended prong 1/8 x 1/2 steel zinc plated b18.8.143,706
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