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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)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
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StandardMAMachine ScrewSilicon BronzePlain1/2-13 x 3 1/21/2-13x3-1/2 slotted flat head machine screw silicon bronze b18.6.31138
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StandardMAMachine ScrewSilicon BronzePlain3/8-16 x 23/8-16x2 slotted flat head machine screw silicon bronze b18.6.31533
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StandardMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1 5/82/56x1-5/8 phillips pan head machine screw 18-8 stainless steel b18.6.334180
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StandardMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 4 1/25/16-18x4-1/2 phillips flat head machine screw 18-8 stainless steel b18.6.34548
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StandardMAMachine ScrewSilicon BronzePlain1/2-13 x 2 1/21/2-13x2-1/2 slotted flat head machine screw silicon bronze b18.6.3609
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StandardMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#0-80 x 3/160-80x3/16 phillips truss head machine screw 18-8 stainless steel b18.6.3109750
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StandardMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1 3/42/56x1-3/4 phillips pan head machine screw 18-8 stainless steel b18.6.324402
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StandardMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 61/4-20x6 phillips flat head machine screw 18-8 stainless steel b18.6.34859
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StandardMAMachine ScrewBrassPlain5/16-18 x 1 1/25/16-18x1-1/2 slotted flat head machine screw brass b18.6.32881
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StandardMAMachine Screw316, 317, A4 StainlessPlain#0-80 x 1/80-80x1/8 phillips pan head machine screw 316 stainless steel b18.6.321750
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StandardMAMachine ScrewSilicon BronzePlain5/16-18 x 1 1/25/16-18x1-1/2 slotted flat head machine screw silicon bronze b18.6.32189
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StandardMAMachine Screw316, 317, A4 StainlessPlain1/4-20 x 21/4-20x2 phillips pan head machine screw 316 stainless steel b18.6.38513
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StandardMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 65/16-18x6 phillips flat head machine screw 18-8 stainless steel b18.6.313
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StandardMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#0-80 x 11/320-80x11/32 phillips flat head machine screw 18-8 stainless steel b18.6.346900
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StandardMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 610-24x6 slotted flat head machine screw 18-8 stainless steel b18.6.37653
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StandardMAMachine ScrewBrassPlain1/4-20 x 21/4-20x2 slotted flat head machine screw brass b18.6.323
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StandardMAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plainextra-wide truss head phillips screws m4 x 0.7 mm thread 100 mm long 18-8 stainless steel b18.6.313650
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StandardMAMachine ScrewBrassPlain#10-32 x 1/210-32x1/2 slotted round head machine screw brass b18.6.336642
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StandardMAMachine ScrewSilicon BronzePlain5/16-18 x 35/16-18x3 slotted round head machine screw silicon bronze b18.6.3955
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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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