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#3 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.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
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GLFOHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48 x 1 1/4#3-48x1-1/4 slotted fillister m/s 18-8 s/s dfars compliant b18.6.3 () () ()23100
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GLFOHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48 x 1/4#3-48x1/4 slotted fillister m/s 18-8 s/s b18.6.3 () () ()295
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GLFOHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48 x 5/8#3-48x5/8 slotted flat m/s 18-8 s/s b18.6.3 () () ()362
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GLFOHMachine ScrewSteelPlain#3-48 x 1/4#3-48x1/4 slotted fillister m/s nyl b18.6.3 () () ()2000
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GLFOHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48 x 3/16#3-48x3/16 slotted fillister m/s 18-8 s/s b18.6.3 () () ()2419
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Irwin IndOntMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48 x 3/163-48 x 3/16 pan phillips m/screw stainless steel b18.6.314500
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Irwin IndOntMachine ScrewBrassNickel#3-48 x 3/163-48 x3/16 bind slotted u/c m/s brass nickel .0001 b18.6.3150000
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Irwin IndOntMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48 x 1/43-48 unc x 1/4 slott rnd 18.8 machine screw b18.6.3850
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Irwin IndOntMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3 x 163 x 16 7985 stainless pan pozi b18.6.32900
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Irwin IndOntMachine ScrewSteelZinc/Clear#3-48 x 3/83-48 x 3/8 binding slotted m/s steel zinc trivalent clear b18.6.32000
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Irwin IndOntMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48 x 1/43-48x1/4 pan phillips machine screw s/s b18.6.330000
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AbabaCAMachine ScrewSteelZinc/Clear#3-48 x 3/43-48 x 3/4 p-fill m/s stl znc b18.6.31600
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-56 x 1/43-56 x 1/4 p-pan m/s s/s b18.6.3223
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AbabaCAMachine ScrewBrassPlain#3-56 x 1/23-56 x 1/2 s-flat m/s brass b18.6.322
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ASMCILMachine ScrewSteelZinc/Clear#3-48 x 3/16coarse phil flat low carb zp b18.6.3587
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ASMCILMachine ScrewSteelZinc/Clear#3-48 x 3/4(ft) coarse slotted flat low carb zp b18.6.395
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-56 x 1/43-56 x 1/4 p-flat m/s s/s b18.6.3100
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AbabaCAMachine ScrewSteelZinc/Clear#3-56 x 5/83-56 x 5/8 s-flat m/s stl znc b18.6.3100
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EximS'poreMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#3-48 x 1/8screw m/c flat head 100 slotteds/s black oxide# 3-48 x 1/8 in b18.6.3586
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EximS'poreMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Chrome#3-48 x 3/16screw m/c flat head csk 82s/s black chrome phillips recess# 3-48 x 3/16 in. (0.188 mm) b18.6.31161
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EximS'poreMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#3-48 x 3/16screw m/c pan head phillips-recesss/s passivated# 3-48 x 3/16 in b18.6.312097
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EximS'poreMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#3-48 x 3/16screw m/c flat head 100 csks/s passivated unc 2a phillips recess# 3-48 x 3/16 in b18.6.325
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EximS'poreMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#3-48 x 1/4screw m/c flat head 82 phillips-recesss/s passivated unc 2a # 3-48 x 1/4 in b18.6.3260
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EximS'poreMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#3-48 x 1/4screw m/c pan head phillips-recesss/s passivated unc 2a# 3-48 x 1/4 in b18.6.31989
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EximS'poreMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#3-48 x 1/4screw m/c flat head 100 csts/s passivated unc 2a phillips recess# 3-48 x 1/4 in b18.6.312421
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EximS'poreMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#3-48 x 3/16screw m/c fillister head phillips-recesss/s passivated# 3-48 x 3/16 in b18.6.333360
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EximS'poreMachine ScrewSteelZinc/Clear#3-48 x 3/16screw m/c pan head phillips-recesssteel blue zinc# 3-48 x 3/16 in b18.6.31343
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EximS'poreMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#3-48 x 1/4screw m/c binder head phillips-recesss/s passivated# 3-48 x 1/4 in b18.6.36203
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EximS'poreMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#3-48 x 1/4screw m/c pan head phillips-recesss/s black oxide# 3-48 x 1/4 in b18.6.31730
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EximS'poreMachine ScrewSteelZinc/Clear#3-48 x 3/16screw m/c pan head phillips-recesssteel blue trivalent#3-48 x 3/16 in [rohs] b18.6.31979
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EximS'poreMachine ScrewSteelZinc/Black#3-48 x 3/16screw m/c pan head phillips-recesssteel black zn# 3-48 x 3/16 in b18.6.37964
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EximS'poreMachine ScrewSteelZinc/Yellow#3-56 x 03/8screw m/c pan head slottedsteel yellow zn# 3-56 x 0.375 in b18.6.355923
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EximS'poreMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#3-48 2a x 1/4screw pan head phillips recessstainless steel passivated#3-48 unc2a x 1/4 in b18.6.369910
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EximS'poreMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#3-56 x 1/4screw m/c pan head slotteds/s passivated unf 2a# 3-56 x 1/4 in b18.6.318985
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EximS'poreMachine ScrewSteelZinc/Yellow#3-48 x 3/8screw m/c pan head phillips-recesssteel yellow zn# 3-48 x 3/8 in b18.6.327473
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EximS'poreMachine ScrewSteelZinc/Yellow#3-56 x 0.115screw round head phillips-recesssteel yellow zinc#3-56 x 0.115 in b18.6.3147957
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EximS'poreMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#3-56 x 3/8screw m/c pan head slotteds/s passivated# 3-56 x 3/8 in b18.6.32618
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EximS'poreMachine ScrewSteelZinc/Clear#3 x 8screw pan head phillips-recesssteel clear trivalent w. spw & plw(f/washer 8 mm) 3 x 8 mm jis std [rohs] b18.6.3102495
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JET FITTINGCAMachine ScrewSteelZinc/Clear#3-48 x 1/83-48x1/8 phillips pan machine screw steel zinc 587025 b18.6.3100
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StandardMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-56 x 1/83/56x1/8 phillips pan head machine screw 18-8 stainless steel b18.6.339006
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StandardMAMachine Screw316, 317, A4 StainlessPlain#3-48 x 1/43-48x1/4 phillips pan head machine screw 316 stainless steel b18.6.33800
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StandardMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-56 x 3/163/56x3/16 phillips flat head machine screw 18-8 stainless steel b18.6.319500
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StandardMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48 x 1/23-48x1/2 phillips flat head machine screw 18-8 stainless steel b18.6.324235
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StandardMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-56 x 1/43/56x1/4 phillips flat head machine screw 18-8 stainless steel b18.6.313600
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StandardMAMachine Screw316, 317, A4 StainlessPlain#3-48 x 3/163-48x3/16 phillips pan head machine screw 316 stainless steel b18.6.32189
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StandardMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-56 x 3/83/56x3/8 phillips flat head machine screw 18-8 stainless steel b18.6.320400
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StandardMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48 x 1/23-48x1/2 phillips pan head machine screw 18-8 stainless steel b18.6.322071
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StandardMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48 x 3/43-48x3/4 phillips flat head machine screw 18-8 stainless steel b18.6.34948
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StandardMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48 x 3/43-48x3/4 phillips pan head machine screw 18-8 stainless steel b18.6.314179
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StandardMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48 x 3/83-48x3/8 phillips flat head machine screw 18-8 stainless steel b18.6.318550
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StandardMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48 x 3/83-48x3/8 phillips pan head machine screw 18-8 stainless steel b18.6.31200
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QFCTXMachine ScrewSteelPlain#3-48 x 5/163-48x5/16 slotted round m/s ty f b18.6.316075
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QFCTXMachine ScrewSteelPlain#3-48 x 3/83-48x3/8 phil flat m/s ty f b18.6.34917
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QFCTXMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3 x 83x8mm phil pan m/s 18-8 b18.6.31000
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B & K FASTPAMachine ScrewSteelPlain#3#3 deburring tool 82 deg b18.6.33
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OSSCORIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48 x 5/163-48x5/16 phil flat m/s 18-8 304 b18.6.3183
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OSSCORIMachine ScrewSteelZinc/Clear#3-48 x 5/163-48x5/16 slotted flat m/s plated b18.6.33,600
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OSSCORIMachine ScrewSteelZinc/Clear#3-48 x 3/83-48x3/8 slotted flat m/s plated b18.6.36,445
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OSSCORIMachine ScrewSteelPlain#3#3 combo-countersink-drl 60deg ctr b18.6.36
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Bostwick INMachine ScrewSteelZinc/Clear#3-56 x 1/23-56 x 1/2 slotted round m/s zinc b18.6.3200
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JET FITTINGCAMachine ScrewSteelZinc/Clear#3-48 x 3/83-48x3/8 phillips pan machine screw steel zinc plated b18.6.354400
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JET FITTINGCAMachine ScrewSteelBlack Oxide#3-48 x 1/2machine screw pan phillips 348x1/2 black oxide and wax b18.6.32800
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JET FITTINGCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48 x 1/4machine screw pan phillips 348x1/4 stainless steel b18.6.31400
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JET FITTINGCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48 x 1/4machine screw fillister slotted 348x1/4 stainless steel b18.6.31080
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JET FITTINGCAMachine ScrewSteelBlack Oxide#3-48 x 1/2machine screw round phillips 348x1/2 black oxide and wax b18.6.3600
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THRDFASTFLMachine ScrewBrassPlain#3-48 x 1/8slotted round m/s b18.6.3318
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MMFMIMachine ScrewSteelCadmium/Yellow#3-48 x 7/163-48 x 7/16 slot fillister steel/cad an500-3-7 usa an500-3-7 b18.6.31690
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MMFMIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48 x 7/163-48 x 7/16 phil pan 18-8 machine screw ff-s-92 usa b18.6.32415
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MMFMIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48 x 7/163-48 x 7/16 phil pan 18-8 machine screw ff-s-92 usa b18.6.32415
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MMFMIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48 x 7/163-48 x 7/16 phil pan 18-8 machine screw ff-s-92 usa b18.6.32415
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MMFMIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48 x 7/163-48 x 7/16 phil pan 18-8 machine screw ff-s-92 usa b18.6.32415
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