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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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ACCURATEILMachine ScrewSteelBlack Oxide#8-32 x 1/4phil flat ft u/cut ms19150
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ACCURATEILMachine ScrewSteelPlain#8-32 x 1 1/2slotted fillister m/s988
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ACCURATEILMachine ScrewSteelZinc/Clear#10-24 x 3/8slotted round m/s7900
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ACCURATEILMachine ScrewSteelZinc/Clear#10-32 x 3/4phil round m/s5400
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ACCURATEILMachine ScrewSteelZinc/Clear1/4-20 x 2 1/4phil flat full/thread ms130
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ACCURATEILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 3/8slotted fillister m/s 18-8 s/s443
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ACCURATEILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 3/4slotted flat ft ms 18-8 s/s108
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ACCURATEILMachine ScrewSteelZinc/ClearM4-0.70 x 12slotted pan m/s900
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MAINSOURCNHMachine ScrewSteelPlain#5-40 x 3/45-40x3/4 slotted fill m/s stl6900
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MAINSOURCNHMachine ScrewSteelPlain#6-32 x 16-32x1 phil pan m/s stl z/clr234
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MAINSOURCNHMachine ScrewSteelPlain#6-32 x 1 1/86-32x1 1/8 phil round m/s stl z/clr1264
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MAINSOURCNHMachine ScrewSteelPlain#6-32 x 3/166-32x3/16 slotted flat m/s stl z/clr800
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MAINSOURCNHMachine ScrewSteelPlain#6-32 x 1/46-32x1/4 combi binder m/s stl z/clr900
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MAINSOURCNHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 1/46-32x1/4 torx pan m/s 18-8 ss400
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MAINSOURCNHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 1/46-32x1/4 phil flat m/s undercut 18-8 ss361
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MAINSOURCNHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/166-32x5/16 torx flat m/s 18-8 ss800
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MAINSOURCNHMachine ScrewSteelPlain#6-32 x 5/166-32x5/16 phil flat 100 deg m/s stl z/clr7700
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MAINSOURCNHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/166-32x5/16 phil pan m/s patch 18-8 ss1977
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MAINSOURCNHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 3 1/26-32x3 1/2 slotted pan m/s 18-8 ss450
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MAINSOURCNHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 3/86-32x3/8 slotted 100 flat m/s 18-8 ss250
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MAINSOURCNHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 3/86-32x3/8 slotted oval m/s 18-8 ss200
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MAINSOURCNHMachine ScrewBrassPlain#6-32 x 3/86-32x3/8 slotted pan m/s brass50
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MAINSOURCNHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 3/86-32x3/8 torx flat m/s 18-8 ss3750
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MAINSOURCNHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 3/86-32x3/8 phil flat m/s patch 18-8 ss3450
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MAINSOURCNHMachine ScrewSteelBlack Oxide#6-32 x 3/86-32x3/8 phil flat m/s undercut stl blk7500
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MAINSOURCNHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 1/26-32x1/2 slotted binder m/s 18-8 ss450
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MAINSOURCNHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 1/26-32x1/2 torx flat m/s 18-8 ss3900
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MAINSOURCNHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 1/26-32x1/2 torx pan m/s 18-8 ss671
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WeaverWAMachine ScrewBrassPlain#4-40 x 14-40x1 slotted round machine screw brass300
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WeaverWAMachine ScrewBrassPlain#4-40 x 1/44-40x1/4 slotted flat machine screw brass251
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WeaverWAMachine ScrewBrassPlain#4-40 x 3/84-40x3/8 slotted flat machine screw brass204
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WeaverWAMachine ScrewBrassPlain#4-40 x 14-40x1 slotted flat machine screw brass100
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 11/2-13x1 slotted flat machine screw 18-8 ss49
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/41/2-13x1 1/4 slotted flat machine screw 18-8 ss50
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/21/2-13x1 1/2 slotted flat machine screw 18-8 ss50
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2 1/21/2-13x2 1/2 slotted flat machine screw 18-8 ss50
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 35/8-11x3 slotted flat machine screw 18-8 ss5
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 5/1610-24x5/16 slotted pan machine screw 18-8 ss258
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 3/46-32x3/4 phil round machine screw 18-8 ss225
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 1/48-32x1/4 phil round machine screw 18-8 ss197
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/88-32x5/8 phil round machine screw 18-8 ss289
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 3/48-32x3/4 phil round machine screw 18-8 ss177
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1/410-32x1/4 phil round machine screw 18-8 ss4500
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 5/810-24x5/8 phil round machine screw 18-8 ss415
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 3/410-32x3/4 phil round machine screw 18-8 ss71
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WeaverWAMachine ScrewBrassPlain#10-24 x 110-24x1 phil flat machine screw brass204
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/168-32x5/16 phil oval machine screw 18-8 ss410
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WeaverWAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 1 3/48-32x1 3/4 phil oval machine screw 18-8 ss362
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OneMonroeWIMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#14 x 214x2 slotted hx/w/hd sht met scr-18-8 304500
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RCFastAZMachine ScrewSteelZinc/ClearM2.5 x 10m2.5x10 phil pan m/s stl zinc cr+3 (din7985a)1000
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RCFastAZMachine ScrewSteelZinc/ClearM3 x 6m3x6 phil flat m/s stl zinc cr+3 (din965a)8000
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RCFastAZMachine ScrewSteelZinc/ClearM5 x 8m5x8 phil flat m/s stl zinc cr+3 (din965a)1500
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RCFastAZMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM2.5 x 6m2.5x6 phil pan m/s a2 stainless (din7985)5160
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RCFastAZMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/88-32x5/8 phil flat m/s stainless2000
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RCFastAZMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 1/48-32x1/4 phil oval undercut m/s stainless500
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RCFastAZMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 210-32x2 phil flat m/s stainless500
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RCFastAZMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 1/26-32x1/2 phil truss m/s stainless2900
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RCFastAZMachine ScrewSteelZinc/Clear1/4-20 x 2 1/41/4-20x2 1/4 slotted round m/s stl zinc cr+3100
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RCFastAZMachine ScrewSteelZinc/Clear1/4-20 x 2 1/21/4-20x2 1/2 slotted round m/s stl zinc cr+3100
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RCFastAZMachine ScrewSteelZinc/Clear1/4-20 x 2 3/41/4-20x2 3/4 slotted round m/s stl zinc cr+3100
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RCFastAZMachine ScrewSteelZinc/Clear#8-32 x 3/88-32x3/8 phil flat m/s stl zinc cr+350
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RCFastAZMachine ScrewSteelZinc/Clear#10-24 x 5/810-24x5/8 phil pan m/s stl zinc cr+3500
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RCFastAZMachine ScrewSteel Zinc/Clear#10-24 x 210-24x2 phil pan m/s stl zinc cr+32200
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RCFastAZMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM2 x 6m2x6 slotted cheese m/s nylon patch stainless a22000
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AmericanNYMachine ScrewSteelZinc/Clear#10-32 x 110/32x1 slotted pan m/s zinc pl1000
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AmericanNYMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 3/410/32x3/4 phil pan 18-8 304 m/s83
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AmericanNYMachine ScrewBrassPlain#10-32 x 1 1/410/32x1-1/4 slotted round brass m/s80
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AmericanNYMachine ScrewSteelZinc/Clear#6-32 x 5/86/32x5/8 slotted indented hex m/s zp180
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AmericanNYMachine ScrewBrassPlain#0-80 x 1/8hex m/s2000
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AmericanNYMachine ScrewSteelZinc/Clear#8-32 x 1/4phil flat undercut m/s pl13936
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AmericanNYMachine ScrewSteelZinc/Clear#8-32 x 1phillip round m/s zp1736
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AmericanNYMachine ScrewSteelZinc/Clear#10-32 x 3/8slotted pan m/s pl100
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AmericanNYMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1 3/4phil pan 18-8 304 m/s2550
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AmericanNYMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 1phil pan m/s 18-8 3041638
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AmericanNYMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 3/4slotted hex washer 18-8 304 m/s1650
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YANKEENHMachine ScrewSteelZinc/Clear#10-24 x 110-24 x 1 phillips flat head machine screw steel zinc plated476
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YANKEENHMachine ScrewSteelZinc/Clear#2-56 x 3/82-56 x 3/8 slotted pan head machine screw steel zinc plated75
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YANKEENHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plainmilitary spec 4-40 x 1/2 phillips flat head 100deg machine screw 300 series stainless steel150
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METRO INDOHMachine ScrewSteelZinc/BlackM5 x 16M5x16 phil pan m/s n-patch steel zinc/black14300
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METRO INDOHMachine ScrewSteelZinc/ClearM6 x 15M6x15 phil flat m/s steel zinc din 96571
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MAINSOURCNHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/16nas1635-02le3 (2-56 x 3/16 phillips pan m/s ss patch) NAS163502LE3243
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MAINSOURCNHMachine ScrewNylon (Polyamide)Plain#6-32 x 3/86-32x3/8 slotted flat m/s nylon3000
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MAINSOURCNHMachine ScrewNylon (Polyamide)Plain#6-32 x 1/26-32x1/2 slotted pan m/s nylon2165
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MAINSOURCNHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#10-32 x 1ms51958-67 (10-32 x 1 phil pan m/s ss) 304ss MS519586737
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MAINSOURCNHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#6-32 x 5/8ms51957-31 (phil pan m/s 6-32 x 5/8 ss) 304ss MS519573160
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OneMonroeMNMachine ScrewSteelZinc/Clear1/4-28screw-1/4-28 slottedfillister head plated steel-y92
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OneMonroeMNMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 3/410-24 x 3/4 phillips flat hd m/s-s.s.400
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OneMonroeMIMachine ScrewSteelPlainpem alternative captive 8-32 single type-ab spotweld nut stainless2160
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Future FastenerTXMachine Screw316, 317, A4 StainlessPlainM8 x 30m8 x 30 phillips pan head machine screw coarse thread 316/a4 stainless steel170
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Future FastenerTXMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 5/16#6-32 x 5/16 phillips round head machine screw coarse thread stainless steel900
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Future FastenerTXMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 5/810-24x5/8 hex washer m/s ss87
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Future FastenerTXMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3/81/4-20x3/8 phillips pan head machine screw unc thread 18-8 304 steel270
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MAINSOURCNHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)PlainMS51957-20 (PHL PAN M/S 4-40 X 7/8 SS)W/PATCH MS5195720PAT34
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MAINSOURCNHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#4-40 x 3/4ms51957-19 (phil pan m/s 4-40 x 3/4 ss) 304ss MS5195719209
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MAINSOURCNHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 1/26-32x1/2 phil binder m/s 18-8 ss2200
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MAINSOURCNHMachine ScrewCopperPlaincobham 102084-02 (4-40x3/8 pan ms copper)122
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MAINSOURCNHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#4-40 x 7/8ms24693c9 (4-40 x 7/8 phil flat 100 m/s ss) 304ss337
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MAINSOURCNHMachine ScrewSteelCadmium/Yellow#2-56 x 3/8ms35206-205 (2-56 x 3/8 phil pan m/s stl c&y) MS35206205500
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MAINSOURCNHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 5/8nas1635-04le10 (phil pan m/s 4-40 x 5/8 ss patch) NAS163504LE101023
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MAINSOURCNHMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#6-32 x 1 1/46-32x1 1/4 phil flat m/s 18-8 ss blk50
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HayesCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated0-80 x 1/8 phil flat machine screw 18-8ss pass3265
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SIIINMachine ScrewSteelPlain5/165/16 machine screw michigan drill-110289) b18.6.312
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SIIINMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 2#10-24x2 (ft) unc machine screw phillips flat head unc 18-8 304 a2 b18.6.3500
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Future FastenerTXMachine ScrewSteelZinc/Clear5/16 x 5/85/16x5/8 phillips flat head machine screw zinc plated1500
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WeaverWAMachine ScrewSteelZinc/Clear5/16-18 x 4 1/25/16-18x4 1/2 phil flat machine screw zinc490
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RCFastAZMachine ScrewBrassPlain#10-32 x 1/210-32x1/2 slotted round m/s brass plain6000
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