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1/4 Machine Screws (ASME B18. 6.3)

Machine Screws are uniformly threaded screws which are designed to be screwed into pre-drilled, pre-threaded holes, or in conjunction with a nut, usually with a diameter less than 1/4inch. Larger diameter machine screws with a hex head are usually referred to as machine bolts.

Machine Screw (b18.6.3), showing 200, (click on any line for more information)

Search Results Sponsored by ISSCO, Inc., your source for Machine Screws. For more results, visit   isscoinc.com
SupplierLocTypeMaterialFinishSizeDescriptionQty 
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 11/4-20 x 1 p-flat 100 deg m/s s/s b18.6.3582
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AbabaCAMachine ScrewBrassPlain1/4-20 x 11/4-20 x 1 p-flat m/s brass b18.6.350
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 11/4-20 x 1 p-flat m/s s/s b18.6.34600
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AbabaCAMachine ScrewSteelZinc/Clear1/4-20 x 11/4-20 x 1 p-flat m/s stl znc b18.6.3293
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 11/4-20 x 1 p-oval m/s s/s b18.6.31425
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AbabaCAMachine ScrewBrassPlain1/4-20 x 11/4-20 x 1 p-pan m/s brass b18.6.3390
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 11/4-20 x 1 p-pan m/s s/s b18.6.31828
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AbabaCAMachine ScrewSteelZinc/Clear1/4-20 x 11/4-20 x 1 p-pan m/s stl znc b18.6.32874
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 11/4-20 x 1 p-truss m/s s/s b18.6.32009
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide1/4-20 x 11/4-20 x 1 p-truss m/s s/s blk ox b18.6.31575
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AbabaCAMachine ScrewSteelZinc/Clear1/4-20 x 11/4-20 x 1 p-truss m/s stl znc b18.6.31368
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AbabaCAMachine Screw400 Stainless (405, 410,416,420,430 etc.)Plain1/4-20 x 11/4-20 x 1 s-rnd m/s type-f 400 s/s b18.6.3157
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AbabaCAMachine ScrewSteelZinc/Clear1/4-20 x 11/4-20 x 1 s-hwh m/s type-f hrd stl znc b18.6.3900
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/81/4-20 x 1 1/8 phil-pan mach screw s/s b18.6.3400
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/41/4-20 x 1 1/4 p-flat m/s s/s b18.6.3669
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AbabaCAMachine ScrewSteelZinc/Clear1/4-20 x 1 1/41/4-20 x 1 1/4 p-flat m/s stl znc b18.6.31775
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/41/4-20 x 1 1/4 p-pan m/s s/s b18.6.31503
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AbabaCAMachine ScrewSteelZinc/Clear1/4-20 x 1 1/41/4-20 x 1 1/4 p-pan m/s stl znc b18.6.3840
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/41/4-20 x 1 1/4 p-truss m/s s/s b18.6.3643
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AbabaCAMachine ScrewSteelZinc/Clear1/4-20 x 1 1/41/4-20 x 1 1/4 p-truss m/s stl znc b18.6.31600
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SIIINMachine ScrewSteelZinc/Clear1/4-20 x 51/4-20x5 zinc pan head phillips machine screw) b18.6.3475
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SIIINMachine ScrewSteelPlain1/4-20 x 11/4-20x1 combo-pan machine screw) b18.6.375
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SIIINMachine ScrewSteelZinc/Clear1/4-20 x 1 1/41/4-20x1-1/4 phillips flat head machine screw zinc b18.6.360
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SIIINMachine ScrewSteelPlain1/4-20 x 11/4-20 x 1 z flat head machine screw b18.6.35000
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B & K FASTPAMachine ScrewBrassPlain1/4-20 x 11/4-20 x 1 slotted flat machine screws brass b18.6.38
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