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#5 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 ScrewSteelZinc/Clear#5-40 x 3/4#5-40x3/4 phil pan m/s stl zc b18.6.3 () () ()6387,000
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GLFOHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5-40 x 1/2#5-40x1/2 slotted flat m/s 18-8 s/s b18.6.3 () () ()265,000
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GLFOHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5-40 x 1#5-40x1 slotted round m/s 18-8 s/s b18.6.3 () () ()31,000
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Irwin IndOntMachine ScrewBrassNickel Plated#5-40 x 3/45-40 x 3/4 pan slotted m/s brass .0001 nickel b18.6.318000
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Irwin IndOntMachine ScrewBrassNickel Plated#5-40 x 5/165-40 x 5/16 pan slotted machine screw brass bright nickel pltd b18.6.34000
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Irwin IndOntMachine ScrewBrassPlain#5-40 x 3/85-40 x3/8 truss slotted m/s brass-per dwg. 10026-01 b18.6.314000
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5-40 x 5/165-40 x 5/16 s-pan m/s s/s b18.6.3637
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AbabaCAMachine ScrewBrassPlain#5-40 x 3/45-40 x 3/4 s-oval m/s brass b18.6.31300
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EximS'poreMachine ScrewSteelZinc/Clear#5-40 x 1/4screw binder head slottedsteel blue zn# 5-40 x 1/4 in. b18.6.323978
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EximS'poreMachine ScrewSteelZinc/Yellow#5-40 x 3/8screw pan head slottedsteel yellow zn# 5-40 x 3/8 in b18.6.336685
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StandardMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5-40 x 5/85-40x5/8 phillips flat head machine screw 18-8 stainless steel b18.6.336150
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StandardMAMachine Screw316, 317, A4 StainlessPlain#5-40 x 3/85-40x3/8 phillips pan head machine screw 316 stainless steel b18.6.320933
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StandardMAMachine ScrewBrassPlain#5-40 x 3/45-40x3/4 slotted flat head machine screw brass b18.6.37251
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StandardMAMachine Screw316, 317, A4 StainlessPlain#5-40 x 1/45-40x1/4 phillips flat head machine screw 316 stainless steel b18.6.33645
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StandardMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5-40 x 3/85-40x3/8 slotted flat head machine screw 18-8 stainless steel b18.6.328
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StandardMAMachine Screw316, 317, A4 StainlessPlain#5-40 x 1/25-40x1/2 phillips flat head machine screw 316 stainless steel b18.6.3541
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StandardMAMachine ScrewBrassPlain#5-40 x 1/25-40x1/2 slotted flat head machine screw brass b18.6.33317
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B & K FASTPAMachine ScrewSteelZinc/Clear#5-40 x 1/45/40 x 1/4 slotted flat machine screws zinc b18.6.3194
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B & K FASTPAMachine ScrewSteelZinc/Clear#5-40 x 3/85/40 x 3/8 slotted flat machine screws zinc b18.6.31094
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B & K FASTPAMachine ScrewSteelZinc/Clear#5-40 x 3/85/40 x 3/8 phil pan machine screws zinc b18.6.31000
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B & K FASTPAMachine ScrewSteelZinc/Clear#5-40 x 1/45/40 x 1/4 slotted round machine screws zinc b18.6.33220
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General FMIMachine ScrewSteelZinc/Clear#5-40 x 43/85-40x4.375 phillips panil ms zn triv b18.6.358,000
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General FMIMachine ScrewSteelPlain#5-40 x 27/85-40x2.875 phillips panil m/s b18.6.34,300
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General FMIMachine ScrewSteelZinc/Clear#5-40 x 05/85-40x0.625 round slotted ms zn b18.6.3100
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General FMIMachine ScrewSteelZinc/Clear#5-40 x 03/45-40 x 0.75 fill slotted ms zn b18.6.33905
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OSSCORIMachine ScrewSteelZinc/Clear#5-40 x 1/45-40x1/4 slotted flat m/s plated b18.6.31,200
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QFCTXMachine ScrewSteelZinc/Clear#5-40 x 3/85-40 x 3/8 phil pan steel zinc b18.6.3188450
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QFCTXMachine ScrewSteelZinc/Clear#5-40 x 1 1/25-40 x 1-1/2 slotted round m/s steel zinc b18.6.31110
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QFCTXMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5 x 105x10mm 18-8ss phil pan m/s b18.6.31
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THRDFASTFLMachine ScrewSteelZinc/Clear#5-40 x 3/4slotted flat m/s b18.6.3800
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THRDFASTFLMachine ScrewBrassPlain#5-40 x 3/8slotted flat m/s b18.6.3200
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THRDFASTFLMachine ScrewBrassPlain#5-40 x 1slotted round m/s b18.6.3118
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THRDFASTFLMachine ScrewSteelZinc/Clear#5-40 x 1/2slotted flat m/s b18.6.375
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THRDFASTFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5-40 x 3/818-8 ss slotted round m/s b18.6.363
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THRDFASTFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5-40 x 1/418-8 ss phil flat m/s b18.6.3250
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KBSTNMachine ScrewSteelZinc/Clear#5-40 x 1 1/25-40 x 1 1/2 slotted flat m/s plated b18.6.3200
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THRDFASTALMachine ScrewSteelZinc/Clear#5-40 x 1 1/4slotted flat m/s b18.6.3100
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THRDFASTOKMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5-40 x 1/218-8 ss slotted fillister m/s b18.6.391
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THRDFASTALMachine ScrewSteelZinc/Clear#5-40 x 3/8slotted flat m/s b18.6.334
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THRDFASTALMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5-40 x 1 1/218-8 ss slotted round m/s b18.6.386
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THRDFASTALMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5-40 x 3/818-8 ss slotted flat m/s b18.6.327
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THRDFASTALMachine ScrewBrassPlain#5-40 x 3/4slotted round m/s b18.6.31125
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THRDFASTMSMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5-40 x 118-8 ss slotted round m/s b18.6.33
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THRDFASTALMachine ScrewSteelZinc/Clear#5-40 x 1/2slotted flat m/s b18.6.3100
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THRDFASTALMachine ScrewSteelZinc/Clear#5-40 x 1/4slotted round m/s b18.6.342
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THRDFASTALMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5-40 x 218-8 ss slotted round m/s b18.6.3250
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THRDFASTOKMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5-40 x 1/218-8 ss slotted round m/s b18.6.382
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THRDFASTALMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5-40 x 218-8 ss slotted flat m/s b18.6.3194
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THRDFASTALMachine ScrewBrassPlain#5-40 x 5/8slotted round m/s b18.6.3148
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THRDFASTALMachine ScrewSteelZinc/Clear#5-40 x 7/8slotted flat m/s b18.6.3200
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THRDFASTALMachine ScrewSteelZinc/Clear#5-40 x 2slotted flat m/s b18.6.385
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THRDFASTALMachine ScrewSteelZinc/Clear#5-40 x 3/4slotted flat m/s b18.6.3175
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THRDFASTALMachine ScrewSteelZinc/Clear#5-40 x 1 1/2slotted flat m/s b18.6.3200
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THRDFASTALMachine ScrewSteelZinc/Clear#5-40 x 5/8slotted flat m/s b18.6.3100
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WSBKYMachine ScrewSteelZinc/Clear#5-40 x 1/2screw ms rd st (zn) ph 5-40x1/2 b18.6.31,080
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MMFMIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5-44 x 1/45-44 x 1/4 18-8 slot fillister machine screw ff-s-92 ty1 st 4s usa b18.6.3978
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MMFMIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5-44 x 1/45-44 x 1/4 18-8 slot fillister machine screw ff-s-92 ty1 st 4s usa b18.6.3978
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MMFMIMachine ScrewBrassPlain#5-44 x 1/45-44 x 1/4 slot fillister head brass machine screw usa b18.6.34791
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MMFMIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5-44 x 1/45-44 x 1/4 18-8 slot fillister machine screw ff-s-92 ty1 st 4s usa b18.6.3978
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MMFMIMachine ScrewBrassPlain#5-44 x 1/45-44 x 1/4 slot fillister head brass machine screw usa b18.6.34791
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MMFMIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5-44 x 1/45-44 x 1/4 18-8 slot fillister machine screw ff-s-92 ty1 st 4s usa b18.6.3978
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FACCAOntMachine ScrewGrade 5Zinc/Clear#5-40 x 5/8machine screw binding slot head #5-40 unc x 5/8 low carbon steel zinc chromate plated ansi b18.6.3-1972 b18.6.380,130
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