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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)

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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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CenturyFLMachine ScrewSteelZinc/Yellow#6-32 x 3/46-32 x 3/4 slotted pan hd steel zinc yellow838
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CenturyFLMachine ScrewPlain#2-56 x 9/16ms51957-14160055
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WeaverWAMachine ScrewSteelZinc/Clear#4-40 x 14-40x1 phil pan machine screw zinc2530
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1 1/44-40x1 1/4 phil pan machine screw 18-8 ss14
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1 3/84-40x1 3/8 phil pan machine screw 18-8 ss50
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WeaverWAMachine ScrewSteelZinc/Clear#4-40 x 1 1/24-40x1 1/2 phil pan machine screw zinc1560
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 3/166-32x3/16 phil pan machine screw 18-8 ss793
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 1/46-32x1/4 phil pan machine screw 18-8 ss1102
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WeaverWAMachine ScrewSteelZinc/Clear#6-32 x 1/46-32x1/4 phil pan machine screw zinc8175
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/166-32x5/16 phil pan machine screw 18-8 ss145
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WeaverWAMachine ScrewSteelZinc/Clear#6-32 x 5/166-32x5/16 phil pan machine screw zinc10407
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 3/86-32x3/8 phil pan machine screw 18-8 ss612
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WeaverWAMachine ScrewSteelZinc/Clear#4-40 x 3/44-40x3/4 phil pan machine screw zinc1910
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 14-40x1 phil pan machine screw 18-8 ss273
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WeaverWAMachine ScrewSteelZinc/Clear#6-32 x 1/26-32x1/2 phil pan machine screw zinc14228
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 3/410-32x3/4 phil pan machine screw 18-8 ss1123
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 7/810-32x7/8 phil pan machine screw 18-8 ss4496
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 110-32x1 phil pan machine screw 18-8 ss455
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 23/8-16x2 phil pan machine screw 18-8 ss68
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 31/4-20x3 phil pan machine screw 18-8 ss237
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 3/86-32x3/8 phil oval machine screw 18-8 ss200
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JacksonMSMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/8pan phillips m/s 18-8 3046350
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GlobalCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#6-32 x 3.8slotted truss m/s 18-8 ss passivate passivate80
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GlobalCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black OxideM3.5-0.60 x M6m torx flat 18-8 304 / 18-8 304 /759
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EndriesMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM3 x 5m3x5 a2 stainless phillips pan head machine screw din 798514104
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EndriesMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 310-32x3 18-8 stainless steel phillips pan head machine screw800
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EndriesMachine ScrewGrade 5Zinc/Clear1/4-20 x 1 3/41/4-20x1-3/4 grade 5 indented hex washer head machine screw zinc4948
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BrikksenMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3 1/25/16-18 x 3-1/2 phillips flat 82 degree | countersink head machine screw asme b18.6.3 18.8 stainless steel | countersink head machine screw asme b18.6.3 18.8 stainless steel100
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BrikksenMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 45/16-18 x 4 phillips flat 82 degree | countersink head machine screw asme b18.6.3 18.8 stainless steel | countersink head machine screw asme b18.6.3 18.8 stainless steel3162
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BrikksenMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Chrome Plated5/16-18 x 45/16-18 x 4 phillips flat 82 degree | countersink head machine screw asme b18.6.3 18.8 stainless steel chrome plate | countersink head machine screw asme b18.6.3 18.8 stainless steel chrome plate9
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BrikksenMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Chrome Plated5/16-18 x 4 1/25/16-18 x 4-1/2 phillips flat 82 degree | countersink head machine screw asme b18.6.3 18.8 stainless steel chrome plate | countersink head machine screw asme b18.6.3 18.8 stainless steel chrome plate225
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BrikksenMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1/25/16-18 x 1/2 phillips flat 82 degree | countersink head machine screw asme b18.6.3 18.8 stainless steel | countersink head machine screw asme b18.6.3 18.8 stainless steel300
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BrikksenMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 55/16-18 x 5 phillips flat 82 degree | countersink head machine screw asme b18.6.3 18.8 stainless steel | countersink head machine screw asme b18.6.3 18.8 stainless steel50
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BrikksenMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Chrome Plated5/16-18 x 55/16-18 x 5 phillips flat 82 degree | countersink head machine screw asme b18.6.3 18.8 stainless steel chrome plate | countersink head machine screw asme b18.6.3 18.8 stainless steel chrome plate225
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BrikksenMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 5 1/25/16-18 x 5-1/2 phillips flat 82 degree | countersink head machine screw asme b18.6.3 18.8 stainless steel | countersink head machine screw asme b18.6.3 18.8 stainless steel157
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BrikksenMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 65/16-18 x 6 phillips flat 82 degree | countersink head machine screw asme b18.6.3 18.8 stainless steel | countersink head machine screw asme b18.6.3 18.8 stainless steel202
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BrikksenMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 5/85/16-18 x 5/8 phillips flat 82 degree | countersink head machine screw asme b18.6.3 18.8 stainless steel | countersink head machine screw asme b18.6.3 18.8 stainless steel1000
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BrikksenMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/43/8-16 x 1-1/4 phillips flat 82 degree | countersink head machine screw asme b18.6.3 18.8 stainless steel | countersink head machine screw asme b18.6.3 18.8 stainless steel250
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BrikksenMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/23/8-16 x 1-1/2 phillips flat 82 degree | countersink head machine screw asme b18.6.3 18.8 stainless steel | countersink head machine screw asme b18.6.3 18.8 stainless steel231
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BrikksenMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 23/8-16 x 2 phillips flat 82 degree | countersink head machine screw asme b18.6.3 18.8 stainless steel | countersink head machine screw asme b18.6.3 18.8 stainless steel1500
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BrikksenMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Chrome Plated3/8-16 x 23/8-16 x 2 phillips flat 82 degree | countersink head machine screw asme b18.6.3 18.8 stainless steel chrome plate | countersink head machine screw asme b18.6.3 18.8 stainless steel chrome plate-23
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BrikksenMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Chrome Plated3/8-16 x 2 1/43/8-16 x 2-1/4 phillips flat 82 degree | countersink head machine screw asme b18.6.3 18.8 stainless steel chrome plate | countersink head machine screw asme b18.6.3 18.8 stainless steel chrome plate20
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BrikksenMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 2 1/23/8-16 x 2-1/2 phillips flat 82 degree | countersink head machine screw asme b18.6.3 18.8 stainless steel | countersink head machine screw asme b18.6.3 18.8 stainless steel1750
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BrikksenMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Chrome Plated3/8-16 x 2 1/23/8-16 x 2-1/2 phillips flat 82 degree | countersink head machine screw asme b18.6.3 18.8 stainless steel chrome plate | countersink head machine screw asme b18.6.3 18.8 stainless steel chrome plate34
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BrikksenMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 2 3/43/8-16 x 2-3/4 phillips flat 82 degree | countersink head machine screw asme b18.6.3 18.8 stainless steel | countersink head machine screw asme b18.6.3 18.8 stainless steel-57
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BrikksenMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 33/8-16 x 3 phillips flat 82 degree | countersink head machine screw asme b18.6.3 18.8 stainless steel | countersink head machine screw asme b18.6.3 18.8 stainless steel250
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BrikksenMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3 1/43/8-16 x 3-1/4 phillips flat 82 degree | countersink head machine screw asme b18.6.3 18.8 stainless steel | countersink head machine screw asme b18.6.3 18.8 stainless steel1050
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EndriesMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/84-40x5/8 18-8 stainless steel slotted round head machine screw2250
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EndriesMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 3/48-32x3/4 18-8 stainless steel slotted round head machine screw200
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EndriesMachine ScrewSteelZinc/Clear1/4-20 x 3/81/4-20x3/8 slotted fillister head machine screw zinc7650
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EndriesMachine ScrewSteelZinc/Clear#8-32 x 3/88-32x3/8 slotted undercut flat head machine screw zinc2000
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EndriesMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM5 x 16m5x16 a2 stainless 6-lobe flat socket head cap screw iso 14581100
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AmericanNYMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/8slotted pan grey s 18-8 304200
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AmericanNYMachine ScrewBrassPlain#4-40 x 1/2slotted truss2000
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AmericanNYMachine ScrewBrassCadmium#8-32 x 5/16slotted flat cad pl2900
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AmericanNYMa chine ScrewSteelPlain#8-32 x 2 1/4slotted fillister m/s200
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AmericanNYMachine ScrewSteelPlain#6-40 x 1 1/8truss st750
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AmericanNYMachine ScrewSteelPlain#6-40 x 11/16pan2000
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AmericanNYMachine ScrewSteelZinc/Clear#10-32 x 3/810/32 x 3/8 slot binding u/c m/s zinc pl3000
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AmericanNYMachine ScrewBrassPlain#4-40 x 9/16phillips pan black750
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AmericanNYMachine ScrewSteelZinc/Yellow#6-40 x 3/8phillips flat yellow1675
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AmericanNYMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 5/16slotted pan 18-8 30480
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AmericanNYMachine ScrewSteelPlain#12-24 x 1/2phillips oval chrome pl3500
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AmericanNYMachine ScrewBrassPlain#4-40 x 3/4slotted pan1100
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AmericanNYMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 7/8phillips truss 18-8 304500
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AmericanNYMachine ScrewSteelCadmium#4-40 x 1/2slotted indented hex m/s cad pl700
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AmericanNYMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1/8slotted flat ms 18-8 3042780
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AmericanNYMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-56 x 5/8slotted fillister 18-8 3042200
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AmericanNYMachine ScrewSteelCadmium1/4-20 x 2unslotted hex cad200
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AmericanNYMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1/2slotted flat undercut stainles200
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AmericanNYMachine ScrewSteelZinc/Clear#10-32 x 9/16phillips flat pl1900
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AmericanNYMachine ScrewSteelPlain#10-24 x 3/810/24 x 3/8 tork t25 truss m/s .440-.455 hd black163650
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