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1/2-13 Machine Screws

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.

201,933 Machine Screw, 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 
ISSCOMOMachine ScrewSteelZinc/Clear1/2-13 x 3 1/2slotted flat200
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ISSCOMOMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 4 1/2slotted flat 18-8 stainless880
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ISSCOMOMachine ScrewSteelZinc/Clear1/2-13 x 1mach phillips flat z/p400
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ISSCOMOMachine ScrewSteelZinc/Clear1/2-13 x 1 1/4mach slotted flat z/p2150
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MAINSOURCNHMachine ScrewSteelPlain1/2-13 x 3/4slotted flat m/s stl z/clr638
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SWACOOHMachine ScrewSteelPlain1/2-13 x 51/2-13x5 ms round sltzn25
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DeltaTXMachine ScrewSteelZinc/Clear1/2-13 x 3/4slotted round m/s zinc 1/2-13 x 3/462
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DeltaTXMachine ScrewSteelZinc/Clear1/2-13 x 1 1/2slotted round m/s zinc 1/2-13 x 1 1/21350
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DeltaTXMachine ScrewSteelZinc/Clear1/2-13 x 1slotted flat m/s zinc 1/2-13 x 1378
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DeltaTXMachine ScrewSteelZinc/Clear1/2-13 x 1 1/2slotted flat m/s zinc 1/2-13 x 1 1/2188
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DeltaTXMachine ScrewSteelZinc/Clear1/2-13 x 3slotted flat m/s zinc 1/2-13 x 355
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DeltaTXMachine ScrewSteelZinc/Clear1/2-13 x 2slotted flat m/s zinc 1/2-13 x 2200
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DeltaTXMachine ScrewBrassPlain1/2-13 x 1 1/4slotted flat m/s brass 1/2-13 x 1 1/450
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DeltaTXMachine ScrewBrassPlain1/2-13 x 3/4slotted flat m/s brass 1/2-13 x 3/459
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DeltaTXMachine ScrewBrassPlain1/2-13 x 2slotted flat m/s brass 1/2-13 x 250
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DeltaTXMachine ScrewSteelZinc/Clear1/2-13 x 2 1/2slotted flat m/s zinc 1/2-13 x 2 1/2120
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DeltaTXMachine ScrewSteelZinc/Clear1/2-13 x 1 1/4slotted flat m/s zinc 1/2-13 x 1 1/4116
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DeltaTXMachine ScrewSteelZinc/Clear1/2-13 x 3 1/2slotted flat m/s zinc 1/2-13 x 3 1/2450
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BHAMALMachine ScrewSteelZinc/Clear1/2-13 x 61/2-13x6 slotted round m/s zn b18.6.390
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Alma BoltMIMachine ScrewSteelPlain1/2-13 x 1flat slotted188
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Alma BoltMIMachine ScrewSteelPlain1/2-13 x 1thumb m/sw pattern74
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Alma BoltMIMachine ScrewSteelPlain1/2-13 x 1 1/4flat slotted379
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Alma BoltMIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/4st. st. flat slotted320
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Alma BoltMIMachine ScrewSteelPlain1/2-13 x 1 1/2flat slotted212
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Alma BoltMIMachine ScrewSteelPlain1/2-13 x 1 3/4flat slotted152
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Alma BoltMIMachine ScrewSteelPlain1/2-13 x 2flat slotted343
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Alma BoltMIMachine ScrewSteelPlain1/2-13 x 3flat slotted253
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Alma BoltMIMachine ScrewSteelPlain1/2-13 x 3 1/2flat slotted300
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Alma BoltMIMachine ScrewSteelPlain1/2-13 x 4round slotted237
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LibertyILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 3/4slotted flat m/s 18-81
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LibertyILMachine ScrewSteelZinc/Clear1/2-13 x 2 1/2slotted flat w zinc160
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LibertyILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/2slotted flat m/s 18-813
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LibertyILMachine ScrewSteelZinc/Clear1/2-13 x 1 1/4slotted flat w zinc14
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LibertyILMachine ScrewSteelPlain1/2-13 x 1slotted flat w307
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LibertyILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2 1/2slotted flat m/s 18-814
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LibertyILMachine ScrewSteelZinc/Clear1/2-13 x 2slotted flat w zinc667
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LibertyILMachine ScrewSteelZinc/Clear1/2-13 x 3slotted flat w zinc222
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LibertyILMachine ScrewSteelPlain1/2-13 x 2slotted flat special w special690
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LibertyILMachine ScrewSteelPlain1/2-13 x 2 1/4flat m/s450
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LibertyILMachine ScrewSteelZinc/Clear1/2-13 x 2 3/4slotted flat w zinc66
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LibertyILMachine ScrewSteelZinc/Clear1/2-13 x 2slotted round w95
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LibertyILMachine ScrewSteelZinc/Clear1/2-13 x 6slotted round w zinc75
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LibertyILMachine ScrewSteelPlain1/2-13 x 2 1/4slotted round w1,050
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LibertyILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 3/4slotted round m/s 18-8270
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LibertyILMachine ScrewSteelZinc/Clear1/2-13 x 2 1/2slotted round w zinc50
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Future FastenerTXMachine ScrewSteelGalvanized1/2-13 x 1 1/21/2-13 x 1-1/2 slotted flat mach screw hdg193
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Future FastenerTXMachine ScrewSteelZinc/Clear1/2-13 x 31/2-13 x 3 slotted flat m/s plt20
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Future FastenerTXMachine ScrewSteelZinc/Clear1/2-13 x 2 1/21/2-13 x 2 1/2 slotted flat mch screw plt1
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Future FastenerTXMachine ScrewBrassPlain1/2-13 x 1 1/2 x 351/2-13 x 1 1/2 slotted flat m/s brass m12x3578
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Future FastenerTXMachine ScrewBrassPlain1/2-13 x 1 3/4 x 401/2-13 x 1 3/4 slotted flat m/s brass m12x4042
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Future FastenerTXMachine ScrewBrassPlain1/2-13 x 3 x 801/2-13 x 3 slotted flat m/s brass m12x80219
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Future FastenerTXMachine ScrewBrassPlain1/2-13 x 1 x 251/2-13 x 1 slotted flat m/s brass m12x25103
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Future FastenerTXMachine ScrewBrassPlain1/2-13 x 3/4 x 201/2-13 x 3/4 slotted flat m/s brass m12x20125
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Future FastenerTXMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2 1/41/2-13 x 2 1/4 slotted flat m/s ss21
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Future FastenerTXMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 21/2-13 x 2 slotted flat m/s ss12
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Future FastenerTXMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2 1/21/2-13 x 2 1/2 slotted flat m/s ss33
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Future FastenerTXMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 31/2-13 x 3 slotted flt mch screw ss10
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Future FastenerTXMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/41/2-13 x 1 1/4 slotted rnd m/s st/st69
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BHAMALMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/21/2-13x1 1/2 slotted flat m/s 300 ser ss b18.6.313
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SJS ProdCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 21/2-13 x 2 hex head m/s ss 298
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SJS ProdCAMachine ScrewSteelPlain1/2-13 x 1 1/21/2-13x1 1/2 f/h slot m/s pln 746
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Future FastenerTXMachine ScrewSteelZinc/Clear1/2-13 x 1 1/21/2-13 x 1 1/2 slotted flat mch screw plt150
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Future FastenerTXMachine ScrewBrassPlain1/2-13 x 2 x 501/2-13 x 2 slotted flat m/s brass m12x5023
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KomarILMachine ScrewSteelPlain1/2-13 x 2 1/41/2-13x2 1/4 slotted flat machine screw500
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HBBOLTCAMachine ScrewSteelZinc/Clear1/2-13 x 1flat slotted75
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HBBOLTCAMachine ScrewSteelZinc/Clear1/2-13 x 1 1/2flat mach scws84
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HBBOLTCAMachine ScrewSteelZinc/Clear1/2-13 x 6flat slotted mach4
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HBBOLTCAMachine ScrewSteelZinc/Clear1/2-13 x 1 3/4flat mach scws185
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HBBOLTCAMachine ScrewSteelZinc/Clear1/2-13 x 2 1/2flat mach scws370
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HBBOLTCAMachine ScrewSteelZinc/Clear1/2-13 x 1 1/4flat mach scws30
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HBBOLTCAMachine ScrewBrassPlain1/2-13 x 2flat19
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HBBOLTCAMachine ScrewBrassPlain1/2-13 x 1 1/2flat14
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HBBOLTCAMachine ScrewBrassPlain1/2-13 x 3/4flat slotted8
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HBBOLTCAMachine ScrewBrassPlain1/2-13 x 3flat25
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HBBOLTCAMachine ScrewBrassPlain1/2-13 x 2round6
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WDMBIAMachine ScrewSteelZinc/Clear1/2-13 x 2 1/2screw ms flat 82 st (zn) slotted 1/2-13x2 1/250
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ISSCOMOMachine ScrewSteelZinc/Clear1/2-13 x 1mach phillips flat z/p400
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ISSCOMOMachine ScrewSteelZinc/Clear1/2-13 x 1 1/4mach slotted flat z/p2150
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ISSCOMOMachine ScrewSteelZinc/Clear1/2-13 x 1 1/2mach slotted flat z/p274
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ISSCOMOMachine ScrewSteelZinc/Clear1/2-13 x 2 1/4mach slotted flat z/p300
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ISSCOMOMachine ScrewSteelPlain1/2-13 x 3mach slotted flat531
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ISSCOMOMachine ScrewSteelZinc/Clear1/2-13 x 3/4mach slotted round z/p12450
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ISSCOMOMachine ScrewSteelZinc/Clear1/2-13 x 1mach slotted round z/p1500
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ISSCOMOMachine ScrewSteelZinc/Clear1/2-13 x 4mach slotted round z/p5350
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ISSCOMOMachine ScrewSteelZinc/Clear1/2-13 x 4 1/2mach slotted round z/p225
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ISSCOMOMachine ScrewSteelZinc/Clear1/2-13 x 5mach slotted round z/p250
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ISSCOMOMachine ScrewSteelZinc/Clear1/2-13 x 3 1/2mach slotted round z/p1400
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ISSCOMOMachine ScrewSteelZinc/Clear1/2-13 x 2 3/4mach slotted round z/p350
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ISSCOMOMachine ScrewGrade 5Zinc/Clear1/2-13 x 1mach screw unslotted hex washer2575
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ISSCOMOMachine ScrewGrade 5Zinc/Clear1/2-13 x 3/4mach unslotted hwh z/p17775
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Kanebridge ILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 11/2-13x1 slotted flat machine screw fully threaded 18-8 stainless steel2.500
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Kanebridge ILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/21/2-13x1 1/2 slotted flat machine screw fully threaded 18-8 stainless steel2.500
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Kanebridge ILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2 1/41/2-13x2 1/4 slotted flat machine screw fully threaded 18-8 stainless steel2.500
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Kanebridge ILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 3/41/2-13x1 3/4 slotted flat machine screw fully threaded 18-8 stainless steel2.500
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Kanebridge ILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/41/2-13x1 1/4 slotted flat machine screw fully threaded 18-8 stainless steel2.500
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Kanebridge ILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 51/2-13x5 slotted flat machine screw fully threaded 18-8 stainless steel1.250
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Kanebridge ILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 4 1/21/2-13x4 1/2 slotted flat machine screw fully threaded 18-8 stainless steel1.250
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Kanebridge ILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2 3/41/2-13x2 3/4 slotted flat machine screw fully threaded 18-8 stainless steel2.500
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Kanebridge ILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 41/2-13x4 slotted flat machine screw fully threaded 18-8 stainless steel1.250
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Kanebridge ILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 3 1/21/2-13x3 1/2 slotted flat machine screw fully threaded 18-8 stainless steel2.500
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Kanebridge ILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 31/2-13x3 slotted flat machine screw fully threaded 18-8 stainless steel2.500
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Kanebridge ILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 61/2-13x6 slotted flat machine screw fully threaded 18-8 stainless steel1.250
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Kanebridge ILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 5 1/21/2-13x5 1/2 slotted flat machine screw fully threaded 18-8 stainless steel1.250
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Kanebridge ILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 3/41/2-13x3/4 slotted round machine screw fully threaded 18-8 stainless steel2.500
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Kanebridge ILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 21/2-13x2 slotted round machine screw fully threaded 18-8 stainless steel2.500
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Kanebridge ILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 11/2-13x1 slotted round machine screw fully threaded 18-8 stainless steel2.500
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Kanebridge ILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/21/2-13x1 1/2 slotted round machine screw fully threaded 18-8 stainless steel2.500
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Kanebridge ILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/41/2-13x1 1/4 slotted round machine screw fully threaded 18-8 stainless steel2.500
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Kanebridge ILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2 1/41/2-13x2 1/4 slotted round machine screw fully threaded 18-8 stainless steel2.500
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Kanebridge ILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 3/41/2-13x1 3/4 slotted round machine screw fully threaded 18-8 stainless steel2.500
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LippinCAMachine ScrewBrassPlain1/2-13 x 1 1/4machine screw slotted roundhead brass46
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LippinCAMachine ScrewBrassPlain1/2-13 x 1machine screw slotted roundhead brass50
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LippinCAMachine ScrewBrassPlain1/2-13 x 3/4machine screw slotted flat head brass150
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LippinCAMachine ScrewBrassPlain1/2-13 x 1 1/4machine screw slotted flat head brass89
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LippinCAMachine ScrewBrassPlain1/2-13 x 1 1/2machine screw slotted flat head brass74
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LippinCAMachine ScrewSteelZinc/Clear1/2-13 x 1 1/2machine screw slotted flat head zinc plated162
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LippinCAMachine ScrewSteelZinc/Clear1/2-13 x 2 1/2machine screw slotted flat head zinc plated318
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LippinCAMachine ScrewSteelZinc/Clear1/2-13 x 5machine screw slotted flat head zinc plated26
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LippinCAMachine ScrewSteelZinc/Clear1/2-13 x 1 3/4machine screw slotted flat head zinc plated50
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LippinCAMachine ScrewSteelZinc/Clear1/2-13 x 3/4machine screw slotted flat head zinc plated200
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LippinCAMachine ScrewSteelZinc/Clear1/2-13 x 2machine screw slotted flat head zinc plated526
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LippinCAMachine ScrewSteelZinc/Clear1/2-13 x 6machine screw slotted roundhead zinc plated450
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LippinCAMachine ScrewSteelZinc/Clear1/2-13 x 1 1/4machine screw slotted roundhead zinc plated200
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LippinCAMachine ScrewSteelZinc/Clear1/2-13 x 2 1/4machine screw slotted roundhead zinc plated50
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LippinCAMachine ScrewSteelZinc/Clear1/2-13 x 1machine screw slotted roundhead zinc plated500
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LippinCAMachine ScrewSteelZinc/Clear1/2-13 x 1 1/2machine screw slotted roundhead zinc plated100
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LippinCAMachine ScrewSteelZinc/Clear1/2-13 x 3machine screw slotted roundhead zinc plated78
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LippinCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1machine screw phillips flat head stainless 18-861
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LippinCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2machine screw phillips flat head stainless 18-8127
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LippinCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/2machine screw phillips flat head stainless 18-858
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ASFCORPMIMachine ScrewSteelZinc/Clear1/2-13 x 11/2-13 x 1 slotted flt hd mach scw tri zn fe/zn 5an pkg50
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OBRIENOHMachine ScrewSteelZinc/Clear1/2-13 x 2slotted flat26
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OBRIENOHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/2slotted flat 18-8 30411
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THRDFASTALMachine ScrewSteelCadmium1/2-13 x 2slotted flat m/s b18.6.3 domestic3
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MMFMIMachine ScrewSteelCadmium/Yellow1/2-13 x 1 1/41/2-13 x 1-1/4 phil flat stl/cad machine screw w patch usa ms35190-343l b18.6.3110
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FMPMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1slotted flat24
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FMPMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/4slotted flat17
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FMPMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 3/8slotted truss100
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FMPMAMachine ScrewNylon (Polyamide)Plain1/2-13 x 1 1/4slotted flat800
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FMPMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/2slotted flat68
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FMPMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2slotted flat48
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FMPMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2 1/2slotted flat38
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FMPMAMachine ScrewSteelPlain1/2-13 x 2 1/2slotted round94
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