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3 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.

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

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
ASMCILCotter Pin (Split Pin)SteelZinc/Clear3/16 x 3 1/2low carb zp b18.8.125
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JET FITTINGCACotter Pin (Split Pin)SteelPlain5/16 x 3 1/25/16x3 1/2 cotter pins extended pr 260638 b18.8.150
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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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StandardMACotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/8 x 3 1/21/8x3-1/2 cotter pin 18-8 stainless steel b18.8.12200
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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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B & K FASTPACotter Pin (Split Pin)SteelZinc/Clear3/16 x 3 1/23/16 x 3 1/2 cotter pins zinc b18.8.150
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OSSCORICotter Pin (Split Pin)SteelZinc/Clear1/2 x 3 1/21/2x3 1/2 cotter pin plated b18.8.121
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QFCTXCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2 x 3 1/21/2x3 1/2 cotter pin 18-8 b18.8.110
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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/Clear1/4 x 3 1/21/4x3 1/2 cotter pin zinc b18.8.193
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QFCTXCotter Pin (Split Pin)SteelZinc/Clear3/16 x 3 1/23/16x 3 1/2 cotter pin zinc b18.8.1175
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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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JET FITTINGCACotter Pin (Split Pin)SteelZinc/Clear5/16 x 3 1/25/16x3-1/2 cotter pin extended prong steel zinc b18.8.150
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THRDFASTFLCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 3 1/218-8 ss b18.8.127
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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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THRDFASTFLCotter Pin (Split Pin)SteelZinc/Clear5/16 x 3 1/2 b18.8.110
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THRDFASTFLCotter Pin (Split Pin)SteelZinc/Clear1/2 x 3 1/2 b18.8.18
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THRDFASTFLCotter Pin (Split Pin)SteelPlain1/2 x 3 1/2 b18.8.18
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THRDFASTFLCotter Pin (Split Pin)SteelZinc/Clear1/4 x 3 1/2 b18.8.13
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THRDFASTFLCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4 x 3 1/218-8 ss b18.8.11
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THRDFASTFLCotter Pin (Split Pin)SteelZinc/Clear3/16 x 3 1/2 b18.8.154
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THRDFASTFLCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/16 x 3 1/218-8 ss b18.8.131
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THRDFASTOKCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4 x 3 1/218-8 ss b18.8.182
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THRDFASTOKCotter Pin (Split Pin)SteelZinc/Clear1/4 x 3 1/2 b18.8.151
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KBSTNCotter Pin (Split Pin)SteelPlain3/32 x 3 1/23/32 x 3 1/2 cotter pin b18.8.1200
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THRDFASTOKCotter Pin (Split Pin)SteelZinc/Clear3/16 x 3 1/2 b18.8.1300
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THRDFASTMSCotter Pin (Split Pin)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/16 x 3 1/218-8 ss b18.8.19
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All SizeTXCotter Pin (Split Pin)SteelPlain1/4 x 3 1/21/4 x 3 1/2 cotter pin b18.8.1503
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All SizeTXCotter Pin (Split Pin)SteelPlain7/16 x 3 1/27/16 x 3 1/2 cotter pin b18.8.113
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All SizeTXCotter Pin (Split Pin)SteelPlain1/8 x 3 1/21/8 x 3-1/2 cotter pin b18.8.1500
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All SizeTXCotter Pin (Split Pin)SteelPlain5/64 x 3 1/25/64 x 3-1/2 cotter pin b18.8.11,000
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All SizeTXCotter Pin (Split Pin)SteelPlain3/32 x 3 1/23/32 x 3-1/2 cotter pin b18.8.11,023
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