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Machine Screw (ASME 18.6.3)

FastenerMachine 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 
ISSCOMOMachine ScrewSteelZinc/Clear10-24 x 5/8truss slotted12250
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ISSCOMOMachine ScrewSteelZinc/Clear3/8-16 x 5/8slotted truss2500
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ISSCOMOMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1 1/4slotted round 18-82350
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ISSCOMOMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1/4trim hex unslotted 18-87480
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Kanebridge ILMachine ScrewBlack Oxide1/4-20 x 1 3/41/4-20x1 3/4 phillips truss full/thread ms black ox & oil machine screws12500
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BrikksenMachine ScrewPlain#6 x 3/4#6 x 3/4 phillips ovalal 82 degree24824
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BrikksenMachine ScrewPlain#6 x 5/8#6 x 5/8 phillips flat 82 degree7000
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BrikksenMachine ScrewPlain#4 x 5/16#4 x 5/16 phillips flat 82 degree1645
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BrikksenMachine ScrewPlain#10-24 x 3/410-24 x 3/4 phillips pan head machineinquire
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BrikksenMachine ScrewPlain#14 x 1 1/2#14 x 1-1/2 phillips flat 82 degree300
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BrikksenMachine ScrewPlain#6-32 x 1 1/46-32 x 1-1/4 phillips ovalal 82 degree12550
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BrikksenMachine ScrewPlain1/4-20 x 2 1/21/4-20 x 2-1/2 phillips pan head5400
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BrikksenMachine ScrewPlain#8 x 1 3/4#8 x 1-3/4 phillips flat 82 degree9500
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BrikksenMachine ScrewPlain5/16-18 x 15/16-18 x 1 phillips flat 82 degree520
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Irwin IndOntMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 11/4-20x1 flat phillips m/s 18.8 s/s 82 degree b18.6.3250
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SWACOOHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/166-32 x 5/16 phillips pan m/s 300 s/s ms51957-2750000
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SWACOOHMachine ScrewPlain#6-32 x 7/8ms51957-3355000
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SWACOOHMachine ScrewSteelZinc/Clear#6-32 x 1/4#6-32x1/4 six-lob pan ms stl zp3400
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Irwin IndOntMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM4 x 6M4x6 narrow cheese phillips machine screw a2 18-8 304 steel6965
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AccutiteCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM3-0.50 x 8m3-.5 x 8mm phillips pan hd ms ss din 79855000
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AIHAZMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/84-40 x 5/8 phillips fillister m/s s/s780
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Field FasILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 1 1/46-32 x 1 1/4 phillips pan m/s 18-8 ss1000
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Field FasILMachine ScrewBrassNickel PlatedM4-0.70 x 6m4-.7 x 6 slottedbinder m/s w/undercut brass nickel650
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OneMonroeMNMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/164-40 x 3/16 ph pan m/s w/vibratite 18-8ss2520
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OneMonroeMNMachine ScrewSteelZinc/Clear#8-32 x 1/28-32 x 1/2 phillips tr hd m/s-zp black9200
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OneMonroeMNMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/84-40 x 5/8 slotted flat m/s 18-8ss1410
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OneMonroeMNMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 5/8screw mach. 10-32x5/8 pan/slotteds/s81
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OneMonroeMNMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/82-56 x 3/8 ph fill hd m/s 18-8ss1000
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OneMonroeMNMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 3/410-24 x 3/4 slottedhex washer m/s stainless489
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OneMonroeMNMachine ScrewSteelZinc/Clear#8-32 x 1/2#8-32 x 1/2 phillips truss head zinc plated machine screw4973
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OneMonroeMNMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 3/8#8-32 x 3/8 pan head phillips slotted combo machine screw 18-8 stainless steel400
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OneMonroeMNMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM1.6 x 6screw mach. phil/flat m1.6 x 6 a2 ss4140
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OneMonroeMNMachine ScrewSteelZinc/Clear#10-24 x 5/16#10-24 x 5/16 phillips pan head zinc plated machine screw8690
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OneMonroeMNMachine ScrewBrassNickel Plated#8-32 x .1958-32x.195 combo #1 sq drive sl modified pan hd ms brass material nickel plate rohs compliant3500
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OneMonroeMNMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/21/4-20 x 1/2 ph pan m/s loctite driloc 205 18-8ss50
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OneMonroeMNMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/84-40 x .375 ms phil/flat ss550
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OneMonroeMNMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 3/8screw mach. 8-32x3/8 flat1/ph s/s113
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OneMonroeMNMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 3/8screw mach. 6-32x3/8 flat/undercut phillips drive stainless steel w/patch10321
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Alma BoltMIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 7/8#10-24 x 7/8 st. st. pan slottedm/s4900
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Alma BoltMIMachine ScrewPlain#8-32 x 1 1/8#8-32 x 1 1/8 pan phillips machine screw2000
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Alma BoltMIMachine ScrewPlain#8-32 x 2 1/2#8-32 x 2 1/2 truss phillips machine screw628
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 110-32 x 1 phillips ovalal m/s ss/chrome-10 per baginquire
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 31/4-20 x 3 slottedround m/s ss100
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BrikksenFLMachine ScrewBrassPlain3/8-16 x 13/8-16 x 1 slottedflat m/s brassinquire
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/25/16-18 x 1-1/2 phillips truss m/s ss/chrome-inquire
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Zinc/Yellow#8-32 x 28-32 x 2 phillips flat m/s ss/zinc yellow/anitque whiteinquire
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 3/88-32 x 3/8 slottedround m/s ssinquire
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 28-32 x 2 phillips flat m/s ss/anitque whiteinquire
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM2-0.40 x 14slotted cheese head machine screw-100 per bag a2 m2-.40 x 14 din 84inquire
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 18-32 x 1 slottedovalal ms ssinquire
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3 5/81/4-20 x 3-5/8 ph oval m/s ss/chr-inquire
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 1 3/48-32 x 1-3/4 phillips truss m/s ssinquire
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 310-32 x 3 phillips flat m/s ss5000
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6-1.00 x 50m6-1 x 50 phillips flat head m/s 18-8 ss 25 per small bag 5 small bags per master pack-generic brand din 965inquire
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 41/4-20 x 4 slottedflat m/s ssinquire
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BrikksenFLMachine ScrewSilicon BronzePlain#10-24 x 210-24 x 2 phillips flat head m/s silicon bronze 50 per small bag 5 small bags per master pack-generic brandinquire
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM2-0.40 x 8slotted pan head machine screw a2 m2-.40 x 8 din 85inquire
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/166-32 x 5/16 phillips pan m/s ss18000
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 5/85/16-18 x 5/8 phillips flat m/s ss3000
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 1 3/410-24 x 1-3/4 sq dr ovalal m/s ssinquire
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BrikksenFLMachine Screw316, 317, A4 StainlessPlain#10-24 x 110-24 x 1 phillips flat m/s 316ssinquire
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BossardAZMachine ScrewSteelZinc/Clearm3 x 5mm phil pan hd m/s stl zinc225
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BossardAZMachine ScrewSteelPlainM5 x 15screw m5x15 phil pan head
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 26-32 x 2 phillips pan head m/s 18-8 ss 50 per small bag 5 small bags per master pack-generic brandinquire
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DeltaTXMachine ScrewSteelZinc/Clear1/4-20 x 3/4combo phil/slotted truss zinc 1/4-20x3/412000
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Coburn Myers Fastening SystemsPAMachine ScrewBrassPlainmachine screw brass plain150
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Coburn Myers Fastening SystemsPAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plainmachine screw 18-8 stainless plain1335
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SienaIAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6-1.00 x 20M6x1.0x20 phillips pan head machine screw stainless steel a2-70 plain finish din 7985201
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AIHAZMachine ScrewSteelCadmium#8-32 x 11/328-32x11/32 flat m/s low alloy cad plate25
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 38-32 x 3 phillips ovalal head m/s 18-8 ss 50 per small bag 5 small bags per master pack-generic brandinquire
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18 x 2 phillips ovalal head m/s 18-8 ss 25 per small bag 5 small bags per master pack-generic brandinquire
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 5/810-24 x 5/8 phillips ovalal m/s ss/boinquire
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 2 1/25/16-18 x 2-1/2 phillips truss m/s 18-8ss200
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 2 1/210-24 x 2-1/2 phillips pan m/s ss 100 per box f-18boxinquire
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM4-0.70 x 10slotted cheese head machine screw-100 per bag a2 m4-.70 x 10 din 84inquire
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 13/8-16 x 1 phillips pan head m/s 18-8 ss 25 per small bag 5 small bags per master pack-generic brandinquire
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BrikksenFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 28-32 x 2 phillips flat m/s ss23000
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FasSpcMfgFLMachine Screw316, 317, A4 StainlessPlain#10-32 x 1/210-32 x 1/2 hex head machine screw 316 stainless8
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OneMonroeMAMachine ScrewNylon (Polyamide)Plain#4-40 x 3/84-40 x 3/8 phillips pan m/s nylon (natural)900
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OneMonroeMAMachine ScrewSteelZinc/Clear#10-24 x 1 1/210-24 x 1 1/2 slottedflat m/s plated61
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OneMonroeMAMachine ScrewSteelZinc/Clear#4-40 x 3/44-40 x 3/4 slottedround m/s plated330
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EmpireWAMachine ScrewSteelPlain1/4-20 x 3/41/4-20 x 3/4 flat phil m/s1416
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Raw ProduNJMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1/4torx pan head ms 304 ss #10-32 x 1/46219
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Raw ProduNJMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 7/16torx pan head ms 304 ss #4-40 x 7/16485
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Raw ProduNJMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#10-32 x 5/8phillips pan head ms black oxide 304 ss #10-32 x 5/8990
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Raw ProduNJMachine Screw316, 317, A4 StainlessPlain#8-32 x 1 1/2phillips flat head ms 316 ss #8-32 x 1-1/21707
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Raw ProduNJMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 7/16phillips ovalal head ms 304 ss #8-32 x 7/163440
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Raw ProduNJMachine ScrewBrassPlain3/8-16 x 2 1/4brass slotted round head ms 3/8-16 x 2-1/410
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Raw ProduNJMachine Screw316, 317, A4 StainlessPlain1/4-20 x 4phillips ovalal head ms 316 ss 1/4-20 x 4238
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Raw ProduNJMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3/4torx tp flat head ms 304 ss 5/16-18 x 3/4470
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FastenercOHMachine ScrewSteelNickel Plated#6-32 x 3/86-32 x 3/8 steel pan phill mach screw nickel3600
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FastenercOHMachine ScrewSteelZinc/ClearM6-1.00 x 45m6-1.0 x 45mm steel pan phill mach screw zinc29645
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FastenercOHMachine ScrewSteelZinc/Clear#6-32 x 1 1/46-32 x 1 1/4 steel round slottedmach screw zinc14450
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FastenercOHMachine ScrewSteelCadmium#4-40 x 9/164-40 x 9/16 steel pan slottedmach screw cadmium5900
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FastenercOHMachine ScrewSteelPlain#3-48 x 13-48 x 1 steel fill slottedmach screw plain6000
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Mil-Spec MDMachine ScrewSteelZinc/Clear#6-32 x 1/26-32 x 1/2 slotted pan head machine screw steel zinc plated81000
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Mil-Spec MDMachine ScrewSteelBlack Oxide#8-32 x 3/88-32 x 3/8 unslotted indented hex head machine screw steel black oxide75000
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F. SolutionsOHMachine ScrewSteelZinc/ClearM3-0.50 x 8m3-0.5 x 8mm phil pan washer head machine screws eco-fix zinc plated2000
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F. SolutionsOHMachine ScrewNylon (Polyamide)Plain#8-32 x 3/4hex head machine screw 8-32x3/4 nylon 500
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F. SolutionsOHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1 1/4indented hex machine screw 10-32x1-1/4 18.8 115
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NationalOntMachine ScrewSteelZinc/Clear#10 x 3/410x3/4 pan rob/slt tab sz33500
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ManscoMIMachine ScrewSteelBlack Oxide10-24 x 1-5/8 pan phil m/s blk ox & wax580
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AFIFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/24-40x1/2 phil rd ms ss () ()3500
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AFIFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#4-40 x 7/164-40x7/16 phil flat 100 deg ss blk ox () ()3900
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OlanderCAMachine ScrewSteelZinc/Clear6-32 x 1 3/8 phil pan stl zn129
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OlanderCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain6-32 x 1 1/4 phil flat ms sst275
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OlanderCAMachine ScrewSteelBlack Oxidem4-.7 x 10 6-lobe pan ms stl blk ox21871
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OlanderCAMachine ScrewSteelPlain8-32 x 1/4 slot flat nyl889
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OlanderCAMachine Screw316, 317, A4 StainlessZinc/ClearM4-0.70 x 16m4-.7 x 16 pozi pan 316 sst rohs () ()500
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OlanderCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 7/88-32 x 7/8 slot flat 100 deg sst rohs () ()2749
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OlanderCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1 3/44-40 x 1 3/4 slot fill sst rohs () ()776
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OlanderCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM4-0.70 x 12M4-.7x12 phil truss sst () ()1517
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SBSMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM3-0.50 x 8M3-0.5x8 6-lobe pan m/s nylok s/s35000
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ArdenWIMachine ScrewSteelBlack OxideM4-0.70 x 12M4x0.7x12 phillips pn ms blkinquire
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ArdenWIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5618 x 1 1/45618x1 1/4 phillips oval ms 18-8 w/patchinquire
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ArdenWIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1224 x 1/21224x1/2 phillips pn ms 18-8ssinquire
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ASFCORPMIMachine ScrewClass 4.8Zinc/ClearM5-0.80 x 8m5-.8 x 8 phil flt hd mach scw cl 4.8 din 965 tri zn dich fe/zn 5cn6,032
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THRDFASTFLMachine ScrewSteelZinc/Clear3/8-16 x 3/4phil pan m/s b18.6.354
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