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3/8 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.

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

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
JET FITTINGCACotter Pin (Split Pin)SteelPlain3/8 x 13/8x1 split roll pin stl pln 3/8 X 1 SPLIT ROLL PIN STL PLN b18.8.1542
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AbabaCACotter Pin (Split Pin)SteelPlain3/8 x 1 1/23/8 x 1 1/2 cotter pin stl pln b18.8.118
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THRDFASTFLCotter Pin (Split Pin)SteelZinc/Clear3/8 x 1 1/2 b18.8.155
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Bostwick INCotter Pin (Split Pin)SteelPlain3/8 x 1 1/23/8 x 1 1/2 cotterless hitch pin b18.8.124
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AbabaCACotter Pin (Split Pin)SteelPlain3/8 x 23/8 x 2 cotter pin stl pln b18.8.1229
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AbabaCACotter Pin (Split Pin)SteelPlain3/8 x 23/8 x 2 cotter pin stl pln b18.8.16
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THRDFASTFLCotter Pin (Split Pin)SteelZinc/Clear3/8 x 2 b18.8.1178
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THRDFASTFLCotter Pin (Split Pin)SteelZinc/Clear3/8 x 2 b18.8.140
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OSSCORICotter Pin (Split Pin)SteelPlain3/8 x 23/8x2 cotter pin b18.8.146
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OSSCORICotter Pin (Split Pin)SteelZinc/Clear3/8 x 23/8x2 cotter pin plated b18.8.149
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Bostwick INCotter Pin (Split Pin)SteelZinc/Clear3/8 x 23/8 x 2 cotter pin zinc hammerlock b18.8.124
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THRDFASTMSCotter Pin (Split Pin)SteelPlain3/8 x 2 b18.8.125
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ASMCILCotter Pin (Split Pin)SteelZinc/Clear3/8 x 2 1/2low carb zp b18.8.110
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THRDFASTFLCotter Pin (Split Pin)BrassPlain3/8 x 2 1/2 b18.8.175
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THRDFASTFLCotter Pin (Split Pin)SteelPlain3/8 x 2 1/2 b18.8.17
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KBSTNCotter Pin (Split Pin)SteelZinc/Clear3/8 x 2 1/23/8 x 2 1/2 cotterless hitch pin pltd b18.8.1138
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OSSCORICotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8 x 2 1/23/8x2 1/2 cotter pin 18-8 304 b18.8.135
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OSSCORICotter Pin (Split Pin)SteelZinc/Clear3/8 x 2 1/23/8x2 1/2 cotter pin plated b18.8.1350
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Bostwick INCotter Pin (Split Pin)SteelPlain3/8 x 2 1/23/8 x 2 1/2 cotterless hitch pin b18.8.130
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JET FITTINGCACotter Pin (Split Pin)SteelPlain3/8 x 2 1/23/8x2 1/2 cotter pins extended pro 260680 b18.8.150
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THRDFASTMSCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8 x 2 1/218-8 ss b18.8.14
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B & K FASTPACotter Pin (Split Pin)SteelPlain3/8 x 33/8 x 3 cotter pins plain b18.8.1127
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SIIINCotter Pin (Split Pin)SteelZinc/Clear3/8 x 33/8 x 3 zinc cotter pin b18.8.150
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QFCTXCotter Pin (Split Pin)SteelPlain3/8 x 33/8x3 cotter pin plain b18.8.151
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GLFOHCotter Pin (Split Pin)316, 317, A4 StainlessPlain3/8 x 33/8x3 cotter pin stl 316 s/s b18.8.1 () ()11
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GLFOHCotter Pin (Split Pin)SteelZinc/Clear3/8 x 33/8x3 cotter pin stl zc b18.8.1 () ()200
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THRDFASTFLCotter Pin (Split Pin)SteelZinc/Clear3/8 x 3 b18.8.140
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THRDFASTFLCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8 x 318-8 ss b18.8.135
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THRDFASTFLCotter Pin (Split Pin)SteelZinc/Clear3/8 x 3 b18.8.141
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AbabaCACotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8 x 33/8 x 3 cotter pin stainless steel b18.8.110
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StandardMACotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8 x 33/8x3 cotter pin 18-8 stainless steel b18.8.1420
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StandardMACotter Pin (Split Pin)BrassPlain3/8 x 33/8x3 cotter pin brass b18.8.150
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THRDFASTALCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8 x 318-8 ss b18.8.110
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QFCTXCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8 x 33/8 x 3 cotter pin 18-8 stainless steel b18.8.142
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OSSCORICotter Pin (Split Pin)SteelZinc/Clear3/8 x 33/8x3 cotter pin plated b18.8.1272
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Bostwick INCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8 x 33/8 x 3 cotter pin 18-8 stainless b18.8.126
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THRDFASTFLCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8 x 3 1/418-8 ss b18.8.124
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QFCTXCotter Pin (Split Pin)SteelPlain3/8 x 3 1/23/8x3 1/2 cotter pin plain b18.8.136
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THRDFASTFLCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8 x 3 1/218-8 ss b18.8.113
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StandardMACotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8 x 3 1/23/8x3-1/2 cotter pin 18-8 stainless steel b18.8.1323
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QFCTXCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8 x 3 1/23/8x3 1/2 cotter pin 18-8 b18.8.12
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QFCTXCotter Pin (Split Pin)SteelZinc/Clear3/8 x 3 1/23/8x3 1/2 cotter pin zinc b18.8.12000
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Bostwick INCotter Pin (Split Pin)SteelZinc/Clear3/8 x 3 1/23/8 x 3 1/2 cotter pin zinc b18.8.129
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B & K FASTPACotter Pin (Split Pin)SteelZinc/Clear3/8 x 43/8 x 4 cotter pins zinc b18.8.145
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WurthOntCotter Pin (Split Pin)SteelPlain3/8 x 4pin cot st (pl) 3/8x4 b18.8.1274
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QFCTXCotter Pin (Split Pin)SteelZinc/Clear3/8 x 43/8x4 cotter pin zinc b18.8.154
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BHAMALCotter Pin (Split Pin)SteelZinc/Clear3/8 x 43/8x4 cotter pin zn b18.8.138
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Alma BoltMICotter Pin (Split Pin)SteelPlain3/8 x 43/8 x 4 cotter pin b18.8.1576
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FACCAOntCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8 x 4cotter pin round extended prong 3/8 x 4 18-8 stainless steel b18.8.1400
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Bostwick INCotter Pin (Split Pin)SteelZinc/Clear3/8 x 43/8 x 4 cotter pin zinc hammer lock b18.8.126
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THRDFASTFLCotter Pin (Split Pin)SteelZinc/Clear3/8 x 4 b18.8.13
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QFCTXCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8 x 4 1/23/8x4-1/2 cotter pin 18-8 b18.8.1100
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QFCTXCotter Pin (Split Pin)SteelZinc/Clear3/8 x 4 1/23/8x4 1/2 cotter pin zinc b18.8.12831
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JET FITTINGCACotter Pin (Split Pin)SteelZinc/Clear3/8 x 53/8x5 cotter pins extended prong-chisel point low carbon steel zinc plated b18.8.1100
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QFCTXCotter Pin (Split Pin)SteelPlain3/8 x 53/8x5 cotter pin plain b18.8.131
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THRDFASTFLCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8 x 518-8 ss b18.8.15
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StandardMACotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8 x 53/8x5 cotter pin 18-8 stainless steel b18.8.1369
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JET FITTINGCACotter Pin (Split Pin)SteelZinc/Clear3/8 x 53/8x5 cotter pins extended prong-chisel point low carbon steel zinc plated CPZ-375-5000 b18.8.1100
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THRDFASTMSCotter Pin (Split Pin)SteelZinc/Clear3/8 x 5 b18.8.110
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B & K FASTPACotter Pin (Split Pin)SteelPlain3/8 x 63/8 x 6 cotter pins plain b18.8.147
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StandardMACotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8 x 63/8x6 cotter pin 18-8 stainless steel b18.8.1298
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All SizeTXCotter Pin (Split Pin)SteelPlain3/8 x 63/8 x 6 cotter pin b18.8.139
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FACCAOntCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8 x 6round cotter pin extended prong 3/8 x 6 steel plain ansi b18.8.1-1972(1991) b18.8.12,000
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Bostwick INCotter Pin (Split Pin)SteelZinc/Clear3/8 x 63/8 x 6 cotter pin chisel pt ext zinc b18.8.125
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THRDFASTALCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8 x 618-8 ss b18.8.123
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B & K FASTPACotter Pin (Split Pin)SteelPlain3/8 x 73/8 x 7 cotter pins plain b18.8.1180
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GLFOHCotter Pin (Split Pin)SteelPlain3/8 x 73/8x7 cotter pin stl pln b18.8.1 () ()100
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Irwin IndOnt Cotter Pin (Split Pin)SteelZinc/Clear3/83/8 steel cotter pin zinc rohs b18.8.147500
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THRDFASTALCotter Pin (Split Pin)SteelPlain3/8retaining pin b18.8.1300
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