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#12 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)

12-24x0.875 round slotted ms triv b18.6.3
Search Results Sponsored by ISSCO, Inc., your source for Machine Screws. For more results, visit   isscoinc.com
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GLFOHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 1/2#12-24x1/2 torx flat m/s 18-8 s/s b18.6.3 () () ()50,000
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GLFOHMachine ScrewSteelZinc/Clear#12-24 x 2 1/2#12-24x2-1/2 phil pan m/s stl zc b18.6.3 () () ()150,000
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GLFOHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 3/4#12-24x3/4 phil flat m/s 18-8 s/s b18.6.3 () () ()90,000
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BHAMALMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 1/212-24x1/2 phil pan m/s 300 ser ss b18.6.3301
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AbabaCAMachine ScrewSteelDip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)#12 x 8#12 x 8 perma-seal dk screw-#3 phil pan b18.6.34
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 112-24 x 1 p-flat m/s s/s b18.6.3613
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AbabaCAMachine ScrewSteelZinc/Clear#12-24 x 112-24 x 1 p-flat m/s stl znc b18.6.3100
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 112-24 x 1 p-oval m/s s/s b18.6.314360
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 112-24 x 1 p-pan m/s s/s b18.6.3505
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 112-24 x 1 p-pan mach screw .450 nylon strip s/s b18.6.31231
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AbabaCAMachine ScrewSteelZinc/Clear#12-24 x 112-24 x 1 p-pan m/s stl znc b18.6.31699
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AbabaCAMachine ScrewSteelZinc/Clear#12-24 x 112-24 x 1 s-flat m/s stl znc b18.6.3100
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 1 1/412-24 x 1 1/4 p-oval m/s s/s b18.6.31490
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AbabaCAMachine ScrewSteelZinc/Clear#12-24 x 1 1/412-24 x 1 1/4 p-pan m/s stl znc b18.6.3200
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 1 1/212-24 x 1 1/2 p-flat m/s s/s b18.6.3213
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 1 1/212-24 x 1 1/2 p-pan mach screw s/s b18.6.37
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AbabaCAMachine ScrewSteelZinc/Clear#12-24 x 1 1/212-24 x 1 1/2 s-flat m/s stl znc b18.6.32357
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AbabaCAMachine ScrewSteelZinc/Clear#12-24 x 212-24 x 2 p-flat m/s stl znc b18.6.3200
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 1/412-24 x 1/4 s-oval m/s s/s b18.6.3181
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 3/812-24 x 3/8 p-pan m/s s/s b18.6.3308
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AbabaCAMachine ScrewSteelZinc/Clear#12-24 x 3/812-24 x 3/8 p-pan m/s stl znc b18.6.3100
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 1/212-24 x 1/2 p-flat m/s s/s b18.6.3433
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 1/212-24 x 1/2 p-flat m/s u/cut s/s b18.6.3400
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AbabaCAMachine ScrewSteelZinc/Clear#12-24 x 1/212-24 x 1/2 p-pan m/s stl znc b18.6.3100
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EximS'poreMachine ScrewSteelZinc/Clear#12-24 x 1/2screw pan head phillips-recesssteel blue zn#12-24 x 1/2 in b18.6.31944
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EximS'poreMachine ScrewSteelZinc/Clear#12-24 x 1/2screw truss head phillips-recesssteel blue zinc# 12-24 x 1/2 in b18.6.365000
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EximS'poreMachine ScrewSteelZinc/Clear#12-24 x 05/8screw m/c fillister head slottedsteel blue zn ansi std# 12-24 x 0.625 in b18.6.378835
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EximS'poreMachine ScrewSteelZinc/Clear#12-24 x 5/8screw pan head slottedsteel blue zn# 12-24 x 5/8 in b18.6.311475
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SIIINMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 1 3/8#12-24x1 3/8 (ft) unc machine screws phillips flat head coarse stainless a2 b18.6.3500
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SIIINMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 1 1/212-24 x 1-1/2 machine screws philips pan head stainless 18-8 b18.6.3250
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QFCTXMachine ScrewSteelZinc/Clear#12-24 x 1/212-24x1/2 slotted flat m/s zinc b18.6.35500
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QFCTXMachine ScrewSteelZinc/Clear#12-24 x 3/412-24x3/4 phil pan m/s zinc b18.6.31511
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QFCTXMachine ScrewSteelZinc/Clear#12-24 x 112-24x1 indented hex machine screw zinc b18.6.31000
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QFCTXMachine ScrewSteelZinc/Clear#12-24 x 1 1/4#12-24x1 1/4 slotted round steel machine screw zinc b18.6.3100
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QFCTXMachine ScrewSteelZinc/Yellow#12-24 x 5/1612-24x5/16 slotted round m/s zinc/yellow b18.6.3180
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QFCTXMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 1/212-24x1/2 phil pan m/s 18-8 s/s b18.6.35862
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QFCTXMachine ScrewSteelZinc/Clear#12-24 x 1/212-24x1/2 hwh slotted tyc trivalent clear b18.6.3923
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QFCTXMachine ScrewSteelZinc/Clear#12-24 x 3/412-24x3/4 phil flat m/s type-f zinc b18.6.312000
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QFCTXMachine ScrewSteelZinc/Clear#12-24 x 3/412-24x3/4 phil flat m/s type-f zinc b18.6.33000
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B & K FASTPAMachine ScrewBrassPlain#12-24 x 3/812/24 x 3/8 slotted flat machine screws brass b18.6.3323
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B & K FASTPAMachine ScrewBrassPlain#12-24 x 1/212/24 x 1/2 slotted round machine screws brass b18.6.348
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B & K FASTPAMachine ScrewSteelZinc/Clear#12-24 x 1/212/24 x 1/2 phil flat machine screws zinc b18.6.37000
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B & K FASTPAMachine ScrewSteelZinc/Clear#12-24 x 3/412/24 x 3/4 phil flat machine screws zinc b18.6.33775
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B & K FASTPAMachine ScrewSteelZinc/Clear#12-24 x 2 1/212/24 x 2 1/2 phil flat machine screws zinc b18.6.3495
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B & K FASTPAMachine ScrewSteelZinc/Clear#12-24 x 312/24 x 3 phil flat machine screws zinc b18.6.3390
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B & K FASTPAMachine ScrewSteelZinc/Clear#12-24 x 1/212/24 x 1/2 slotted round machine screws zinc b18.6.31561
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B & K FASTPAMachine ScrewSteelZinc/Clear#12-24 x 3/412/24 x 3/4 slotted round machine screws zinc b18.6.31917
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B & K FASTPAMachine ScrewSteelZinc/Clear#12-24 x 2 1/212/24 x 2 1/2 slotted round machine screws zinc b18.6.31111
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B & K FASTPAMachine ScrewSteelZinc/Clear#12 x 1/2#12 x 1/2 hwh slotted s m s zinc b18.6.34854
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B & K FASTPAMachine ScrewSteelZinc/Clear#12 x 2#12 x 2 hwh slotted s m s zinc b18.6.38018
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B & K FASTPAMachine ScrewSteelZinc/Clear#12 x 5/8#12 x 5/8 phillips pan hd s m s zinc b18.6.318557
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B & K FASTPAMachine ScrewSteelZinc/Clear#12 x 3/4#12 x 3/4 phillips pan hd s m s zinc b18.6.316428
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B & K FASTPAMachine ScrewSteelZinc/Clear#12 x 2#12 x 2 phillips pan hd s m s zinc b18.6.31263
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B & K FASTPAMachine ScrewSteelZinc/Clear#12 x 5/8#12 x 5/8 slotted pan hd s m s zinc b18.6.38342
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B & K FASTPAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12 x 3/4#12 x 3/4 slotted hwh s m s 18-8 stainless b18.6.37215
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B & K FASTPAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12 x 2#12 x 2 slotted hwh s m s 18-8 stainless b18.6.31174
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B & K FASTPAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12 x 1/2#12 x 1/2 phil pan s m s 18-8 stainless b18.6.3620
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B & K FASTPAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12 x 1 1/4#12 x 1 1/4 phil pan s ms 18-8 stainless b18.6.34835
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B & K FASTPAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12 x 3#12 x 3 phil pan s m s 18-8 stainless b18.6.3273
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General FMIMachine ScrewSteelDip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)#12-24 x 03/412-24 x 0.75 flt phil ms magni 560 b18.6.37400
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General FMIMachine ScrewSteelZinc/Clear#12-24 x 07/83,850
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General FMIMachine ScrewSteelDip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)#12-24 x 07/812-24 x 0.875 hex ms magni 565 b18.6.35874
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General FMIMachine ScrewSteelZinc/Clear#12-24 x 212-24 x 2 fill slotted ms zn b18.6.31400
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OSSCORIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 112-24x1 slotted round m/s 18-8 304 b18.6.348
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OSSCORIMachine ScrewSteelZinc/Clear#12-24 x 1 1/212-24x1 1/2 slotted flat m/s plated b18.6.330
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OSSCORIMachine ScrewSteelZinc/Clear#12-24 x 212-24x2 slotted flat m/s plated b18.6.3919
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OSSCORIMachine ScrewSteelZinc/Clear#12-24 x 1/412-24x1/4 slotted round m/s plated b18.6.356
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OSSCORIMachine ScrewSteelZinc/Clear#12-24 x 5/812-24x5/8 slotted round m/s plated b18.6.3100
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OSSCORIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 1/212-24x1/2 phil pan m/s 18-8 304 b18.6.3189
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QFCTXMachine ScrewSteelZinc/Clear#12-24 x 1/212-24x1/2 slotted oval m/s zinc b18.6.35900
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QFCTXMachine ScrewSteelZinc/Clear#12-24 x 1/212-24x1/2 phil pan m/s zinc b18.6.31000
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QFCTXMachine ScrewSteelZinc/Clear#12-24 x 1/212-24x1/2 slotted pan m/s zc b18.6.31000
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QFCTXMachine ScrewSteelZinc/Clear#12-24 x 3/412-24x3/4 phil flat m/s zinc b18.6.35641
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QFCTXMachine ScrewSteelZinc/Clear#12-24 x 112-24x1 phil pan m/s zinc b18.6.3912
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QFCTXMachine ScrewSteelPlain#12-24 x 5/812/24x5/8 rd hd mach screw b18.6.34500
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QFCTXMachine ScrewSteelZinc/Clear#12-24 x 3/412-24x3/4 slotted oval m/s zinc b18.6.34000
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QFCTXMachine ScrewSteelZinc/Clear#12-24 x 1/212-24x1/2 phil flat m/s zinc b18.6.312945
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QFCTXMachine ScrewSteelZinc/Clear#12-24 x 3/412-24x3/4 slotted pan m/s zinc b18.6.32400
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QFCTXMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Zinc/Clear#12-24 x 1 1/4#12-24 x 1 1/4 slotted round hd steel machine screw zinc 96hrs sst b18.6.312546
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QFCTXMachine ScrewSteelZinc/Clear#12-24 x 1/412-24 x 1/4 slotted round m/s trivalent b18.6.3950
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QFCTXMachine ScrewSteelZinc/Clear#12-24 x 3/812-24 x 3/8 pan phil m/s trivalent clear b18.6.3489
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QFCTXMachine ScrewSteelZinc/Clear#12-24 x 1/212-24 x 1/2 hwh m/s ty f zinc b18.6.36000
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QFCTXMachine ScrewSteelZinc/Black#12-24 x 1/212-24 x 1/2 hwh m/s trivalent black ty f b18.6.3193
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QFCTXMachine ScrewSteelZinc/Black#12-24 x 1/212-24 x 1/2 phil pan m/s trivalent blk b18.6.32477
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QFCTXMachine ScrewSteelPlain#12-24 x 1/212-24 x 1/2 slotted hex washer head machine b18.6.37215
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QFCTXMachine ScrewSteelZinc/Clear#12-24 x 1/212-24 x 1/2 slotted pan m/s trivalent zinc b18.6.32770
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QFCTXMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 1/212-24 x 1/2 phil flat m/s 18-8 s/s b18.6.31000
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QFCTXMachine ScrewSteelZinc/Clear#12-24 x 1/212-24 x 1/2 slotted round m/s triv zinc b18.6.31108
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QFCTXMachine ScrewSteelBlack Oxide#12-24 x 3/412-24 x 3/4 phil flat m/s ty f blk b18.6.315000
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Mid-ValleyCAMachine ScrewSteelNickel Plated#12-24 x 3/8machine screw b18.6.3inquire
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BCSBCAMachine ScrewSteelPlain#12-24 x 3/4#12-24x 3/4 ph/slotted combo pan head machine screw black b18.6.314,000
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THRDFASTFLMachine ScrewSteelZinc/Clear#12-24 x 1/2phil flat m/s type-b18.6.314,535
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THRDFASTFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 3/418-8 ss phil pan m/s b18.6.38,940
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THRDFASTFLMachine ScrewSteelZinc/Clear#12-24 x 1 1/2phil pan m/s b18.6.36,906
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THRDFASTFLMachine ScrewBrassPlain#12-24 x 1/2slotted round m/s b18.6.33,995
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THRDFASTFLMachine ScrewSteelZinc/Clear#12-24 x 3/8phil pan m/s b18.6.31,900
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THRDFASTFLMachine ScrewSteelZinc/Clear#12-24 x 1 1/2slotted round m/s b18.6.31,480
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THRDFASTFLMachine ScrewSteelZinc/Clear#12-24 x 3/4slotted flat m/s b18.6.31,100
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THRDFASTFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 1 1/418-8 ss slotted flat m/s b18.6.3686
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THRDFASTFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 1 1/418-8 ss slotted round m/s b18.6.3573
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THRDFASTFLMachine ScrewSteelZinc/Clear#12-24 x 2 1/2slotted round m/s b18.6.3464
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THRDFASTFLMachine ScrewBrassPlain#12-24 x 1 1/2slotted round m/s b18.6.3401
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THRDFASTFLMachine ScrewSteelZinc/Clear#12-24 x 1/4slotted round m/s b18.6.3380
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THRDFASTFLMachine ScrewBrassPlain#12-24 x 3/4slotted flat m/s b18.6.3355
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THRDFASTFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 5/818-8 ss slotted round m/s b18.6.3321
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THRDFASTFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 3/818-8 ss slotted round m/s b18.6.3322
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THRDFASTFLMachine ScrewBrassPlain#12-24 x 2slotted round m/s b18.6.3312
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THRDFASTFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 118-8 ss slotted flat m/s b18.6.3298
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THRDFASTFLMachine ScrewBrassPlain#12-24 x 2 1/4slotted round m/s b18.6.3231
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THRDFASTFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 1/418-8 ss slotted flat m/s b18.6.3208
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THRDFASTFLMachine ScrewSteelZinc/Clear#12-24 x 1slotted indented hex m/s b18.6.3168
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KBSTNMachine ScrewBrassPlain#12-24 x 1 1/412-24 x 1 1/4 slotted round m/s brass b18.6.3300
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KBSTNMachine ScrewSteelPlain#12-24 x 1 1/812-24 x 1 1/8 slotted flat m/s b18.6.3200
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KBSTNMachine ScrewSteelZinc/Clear#12-24 x 1/212-24 x 1/2 slotted flat m/s plated b18.6.3100
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KBSTNMachine ScrewSteelZinc/Clear#12 x 4 3/4#12 x 4 3/4 low pan sq purlin screw pltd b18.6.31,000
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KBSTNMachine ScrewSteelZinc/Clear#12 x 5 3/4#12 x 5 3/4 low pan sq purlin screw pltd b18.6.31,000
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WSBKYMachine ScrewSteelZinc/Clear#12-24 x 5/8screw combo pn st (zn) 12-24x5/8 b18.6.31,750
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WSBKYMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 1screw ms ov 18-8 nistkblk ph 12-24x1 b18.6.31,000
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WSBKYMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12 x 1screw wo rd (18-8) slotted 12x1 b18.6.32,500
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WSBKYMachine ScrewSteelZinc/Clear#12-24 x 5/8screw ms pn st (zt) ph 12-24x5/8 b18.6.38,373
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All SizeTXMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 1/212-24 x 1/2 pan head phillip machine screw type-f s/s b18.6.31
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All SizeTXMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-24 x 1/212-24 x 1/2 type-f pan head phillip machine screw s/s 304 stainless b18.6.31
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All SizeTXMachine ScrewSteelPlain#12-24 x 212-24 x 2 pan phil machine screw b18.6.3100
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All SizeTXMachine ScrewSteelPlain#12-24 x 1 3/412-24 x 1 3/4 pan phil machine screw b18.6.31,846
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FACCAOntMachine ScrewGrade 5Zinc/Clear#12-24 x 2machine screw flat slot head #12-24 unc x 2 lg low carbon steel zinc chromate plated ansi b18.6.3-1972 b18.6.325,056
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FACCAOntMachine ScrewGrade 5Zinc/Clear#12-24 x 1 3/4machine screw round slot head #12-24 unc x 1 3/4 lg low carbon steel zinc plated ansi b18.6.3-1972 b18.6.336,910
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ACCURATE ILMachine ScrewSteelZinc/Clear#12-24 x 1/2phillips pan ansi b18.6.3200000
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ACCURATEILMachine ScrewBrassPlain#12-24 x 5/8flat slotted ansi b18.6.31872
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