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1 1/4 inch length Square Head Set Screws (ASME B18. 6.2)

Square Head Set Screws, also called a Square Head Grub Screws are screws with a square head usually smaller than the diameter of the screw, designed to hold one object against another object, usually without requiring a nut. Commonly used to secure a shaft against a pulley.

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

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
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GLFOHSet Screw (Square Head)SteelPlain3/8-16 x 1 1/43/8-16x1-1/4 square set screw cup pt stl pln b18.6.2 () () ()88
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GLFOHSet Screw (Square Head)SteelPlain5/8-11 x 1 1/45/8-11x1-1/4 square set screw cup pt stl pln b18.6.2 () () ()30
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GLFOHSet Screw (Square Head)BrassPlain5/16-18 x 1 1/45/16-18x1-1/4 square head-set screw-cup point-brass b18.6.2 () () ()100
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AbabaCASet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/43/8-16 x 1 1/4 sq hd set screw s/s b18.6.25
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ASMCILSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/4(ft) coarse square set cup pt ss18-8 b18.6.2100
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ASMCILSet Screw (Square Head)SteelPlain1/4-28 x 1 1/41/4-28x1 1/4 (ft) fine square set screw cup pt low carb case hard pln b18.6.2100
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Alma BoltMISet Screw (Square Head)SteelPlain3/8-16 x 1 1/43/8-16 x 1 1/4 square head set screw b18.6.2623
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StandardMASet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/45/16-18x1-1/4 square set screw 18-8 stainless steel b18.6.275
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StandardMASet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/41/4-20x1-1/4 square set screw 18-8 stainless steel b18.6.23080
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StandardMASet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/43/8-16x1-1/4 square set screw 18-8 stainless steel b18.6.2361
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QFCTXSet Screw (Square Head)SteelPlain3/8 x 1 1/43/8x1 1/4 square set screw b18.6.250
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QFCTXSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/41/4-20x1 1/4 square head set screw s/s cup point domestic b18.6.2237
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QFCTXSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/41/4-20x1 1/4 square set screw 18-8 b18.6.22547
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QFCTXSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/41/4-20x1 1/4 square set screw 18-8 b18.6.2100
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OSSCORISet Screw (Square Head)SteelPlain1/4-20 x 1 1/41/4-20x1 1/4 square set screw b18.6.253
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OSSCORISet Screw (Square Head)SteelPlain1/2-13 x 1 1/41/2-13x1 1/4 square set screw b18.6.2204
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QFCTXSet Screw (Square Head)SteelPlain5/8 x 1 1/45/8x1 1/4 sq hd set screw b18.6.240
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QFCTXSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/41/4-20 x 1 1/4 square head set screw s/s cup point b18.6.210
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Bostwick INSet Screw (Square Head)SteelPlain1/2-13 x 1 1/41/2-13 x 1 1/4 sq hd set cup pt b18.6.240
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Bostwick INSet Screw (Square Head)SteelPlain5/8-11 x 1 1/45/8-11 x 1 1/4 sq hd set cup pt b18.6.220
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Bostwick INSet Screw (Square Head)SteelPlain3/8-16 x 1 1/43/8-16 x 1 1/4 sq hd set cup pt b18.6.268
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THRDFASTFLSet Screw (Square Head)SteelPlain1/2-13 x 1 1/4square set half dog pt b18.6.2100
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THRDFASTFLSet Screw (Square Head)SteelPlain7/16-14 x 1 1/4square set cup pt b18.6.279
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THRDFASTFLSet Screw (Square Head)SteelPlain1/2-13 x 1 1/4square set cup pt b18.6.240
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THRDFASTFLSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/418-8 ss square set cup pt b18.6.221
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THRDFASTOKSet Screw (Square Head)SteelPlain1/2-13 x 1 1/4square set cup pt b18.6.250
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THRDFASTMSSet Screw (Square Head)SteelPlain1/2-13 x 1 1/4square set cup pt b18.6.230
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THRDFASTMSSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/418-8 ss square set cup pt b18.6.225
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KBSTNSet Screw (Square Head)SteelPlain1/2-13 x 1 1/41/2-13 x 1 1/4 sq hd set screw b18.6.2735
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KBSTNSet Screw (Square Head)SteelZinc/Clear1/2-13 x 1 1/41/2-13 x 1 1/4 sq hd set screw plated b18.6.2500
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KBSTNSet Screw (Square Head)SteelZinc/Clear5/8-11 x 1 1/45/8-11 x 1 1/4 sq hd set screw plated b18.6.2150
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THRDFASTALSet Screw (Square Head)SteelPlain1/4-20 x 1 1/4square set cup pt b18.6.285
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THRDFASTMSSet Screw (Square Head)SteelPlain5/16-18 x 1 1/4square set cup pt b18.6.223
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THRDFASTALSet Screw (Square Head)SteelPlain7/16-14 x 1 1/4square set cup pt b18.6.241
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THRDFASTFLSet Screw (Square Head)SteelPlain3/8-16 x 1 1/4square set cup pt b18.6.211
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THRDFASTALSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/418-8 ss square set cup pt b18.6.2511
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THRDFASTMSSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/418-8 ss square set cup pt b18.6.213
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THRDFASTOKSet Screw (Square Head)SteelGalvanized5/8-11 x 1 1/4square set cup pt hdg b18.6.25
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THRDFASTMSSet Screw (Square Head)SteelPlain3/4-10 x 1 1/4square set cup pt b18.6.23
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THRDFASTALSet Screw (Square Head)SteelPlain5/16-18 x 1 1/4square set cup pt b18.6.221
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THRDFASTMSSet Screw (Square Head)SteelPlain5/8-11 x 1 1/4square set cup pt b18.6.215
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THRDFASTALSet Screw (Square Head)SteelPlain1/4-20 x 1 1/4square set cup pt b18.6.2111
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WSBKYSet Screw (Square Head)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/4screw set sqr cp (18-8) 5/16-18x1 1/4 b18.6.23,547
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WSBKYSet Screw (Square Head)SteelZinc/Yellow1/2-13 x 1 1/4screw set sqr cp chard (zy) 1/2-13x1 1/4 b18.6.22,100
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WSBKYSet Screw (Square Head)SteelZinc/Clear3/8-16 x 1 1/4screw set sqr cp chard (zt) 3/8-16x1 1/4 b18.6.23,590
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