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#2 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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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 12-56 x 1 p-flat 100 deg m/s s/s b18.6.3400
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 12-56 x 1 p-pan m/s s/s b18.6.3672
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/82-56 x 1/8 p-flat 100 deg m/s s/s b18.6.3440
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/82-56 x 1/8 p-flat m-scr u-cut w/nyl patch s/s b18.6.3465
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/82-56 x 1/8 p-pan m/s s/s b18.6.31100
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AbabaCAMachine ScrewSteelZinc/Clear#2-56 x 5/322-56 x 5/32 p-oval m/s stl znc b18.6.32400
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 5/322-56 x 5/32 p-pan m/s w/patch s/s b18.6.3400
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/162-56 x 3/16 p-flat 100 deg m/s s/s b18.6.32363
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/162-56 x 3/16 p-flat m/s s/s b18.6.33900
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/162-56 x 3/16 p-flat m/s u/cut s/s b18.6.32700
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/162-56 x 3/16 p-flat m-scr u-cut w/nyl patch s/s b18.6.31200
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AbabaCAMachine ScrewSteelZinc/Clear#2-56 x 3/162-56 x 3/16 p-flat m/s stl znc b18.6.33860
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/162-56 x 3/16 p-pan m/s s/s b18.6.31974
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/162-56 x 3/16 p-pan m/s s/s w/buna oring b18.6.3300
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AbabaCAMachine ScrewSteelZinc/Clear#2-56 x 3/162-56 x 3/16 p-pan m/s stl znc b18.6.32678
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AbabaCAMachine ScrewSteelZinc/Clear#2-56 x 3/162-56 x 3/16 p-rnd m/s stl znc b18.6.39000
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/42-56 x 1/4 p-flat 100 deg m/s s/s b18.6.32422
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/42-56 x 1/4 p-flat m/s s/s b18.6.32774
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/42-56 x 1/4 p-pan m/s s/s b18.6.35473
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/42-56 x 1/4 phil-pan mach screw w/patch s/s b18.6.3180
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Irwin IndOntMachine ScrewNylon (Polyamide)Black Oxide#2-56 x 3/322-56 x 3/32 black nylon binding head slotted m/s b18.6.3400
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Irwin IndOntMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/82-56 x 1/8 flat phillips machine screw s/s b18.6.3800
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Irwin IndOntMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/82-56 x 1/8 flat phillips 100 deg machine screw s/s b18.6.31500
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Irwin IndOntMachine ScrewSteelZinc/Clear#2-56 x 3/82-56 x 3/8 flat phillips machine screw steel zinc b18.6.3300
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Irwin IndOntMachine ScrewSteelZinc/Clear#2-56 x 3/162-56 x 3/16 flat phil m/s zinc trivalent clear b18.6.31790
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Irwin IndOntMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#2-56 x 3/82-56 x 3/8 flat phillips m/s 18.8 s/s passivated b18.6.31004
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Irwin IndOntMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/162-56 x 3/16 flat phillip m/s 18.8 s/s b18.6.3 2056
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Irwin IndOntMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/42-56 x 1/4 flt hd phil m/s stainless steel b18.6.3232600
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Irwin IndOntMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/82-56 x 3/8 flt hd phil m/s stainless steel b18.6.32400
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Irwin IndOntMachine ScrewSteelZinc/Clear#2-56 x 1/42-56 x 1/4 flat phil m/s zinc b18.6.35000
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Irwin IndOntMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#2-56 x 3/162-56 x 3/16 flat phil m/s s/s 18.8 black oxide b18.6.32500
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Irwin IndOntMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/22-56 x 1/2 flat head phillips m/screw st/st 100 degree b18.6.31000
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Irwin IndOntMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 5/82-56 x 5/8 flat hd phillips machine screw stainless steel b18.6.3 2073
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Irwin IndOntMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/42-56 x 3/4 flat hd phillips machine screw stainless steel b18.6.3435
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Irwin IndOntMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 7/162-56 x 7/16 flat phillips machine screw stainless steel b18.6.3190
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Irwin IndOntMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#2-56 x 1/82-56 x 1/8 flat head phillips undercut m/s ss black oxide b18.6.310000
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Irwin IndOntMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/42-56 x 1/4 fillister phillips machine screw stainless b18.6.33838
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ASMCILMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/8(ft) coarse phil flat ss18-8 b18.6.3800
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 12-56 x 1 p-pan m/s s/s b18.6.3100
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/82-56 x 1/8 p-flat 100 deg m/s s/s b18.6.3100
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/82-56 x 1/8 p-pan m/s s/s b18.6.3200
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 5/322-56 x 5/32 p-pan mach screw s/s b18.6.3400
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/162-56 x 3/16 p-flat 100 deg m/s s/s b18.6.31000
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/162-56 x 3/16 p-flat m/s s/s b18.6.3300
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/162-56 x 3/16 p-flat m/s u/cut s/s b18.6.3400
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/162-56 x 3/16 p-pan m/s s/s b18.6.3500
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/162-56 x 3/16 phil-pan mach screw w/patch s/s b18.6.3197
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AbabaCAMachine ScrewSteelZinc/Clear#2-56 x 3/162-56 x 3/16 p-pan m/s stl znc b18.6.31000
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AbabaCAMachine ScrewSteelZinc/Clear#2-56 x 3/162-56 x 3/16 p-rnd m/s stl znc b18.6.3300
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/42-56 x 1/4 p-flat 100 deg m/s s/s b18.6.3600
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/42-56 x 1/4 p-flat m/s s/s b18.6.3700
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/42-56 x 1/4 p-flat m-scr w/patch s/s b18.6.3775
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AbabaCAMachine ScrewSteelZinc/Clear#2-56 x 1/42-56 x 1/4 p-pan m/s stl znc b18.6.3200
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 5/162-56 x 5/16 p-flat m/s s/s b18.6.3200
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/82-56 x 3/8 p-flat m/s s/s b18.6.3100
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/82-56 x 3/8 p-pan m/s s/s b18.6.3800
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 7/162-56 x 7/16 p-pan m/s s/s b18.6.3200
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AbabaCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/22-56 x 1/2 p-flat m/s s/s b18.6.3100
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SIIINMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1 1/4#2-56 x 1-1/4 phillips drive pan grade 18-8 stainless steel machine screw b18.6.3150
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SIIINMachine ScrewSteelZinc/Clear#2-56 x 5/162-56 x 5/16 pphms zinc b18.6.39800
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SIIINMachine ScrewSteelZinc/Clear#2-56 x 3/8#2-56 x 3/8 phillips drive pan head zinc finish steel machine screw b18.6.38300
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QFCTXMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/82-56x1/8 phil flat m/s undercut 18-8 s/s b18.6.34703
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QFCTXMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/82-56x1/8 phil pan m/s 18-8 s/s b18.6.33500
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QFCTXMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/82-56x1/8 phil pan m/s 18-8 s/s b18.6.33293
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QFCTXMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/162-56x3/16 phil flat m/s undercut 18-8 b18.6.32400
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QFCTXMachine ScrewSteelZinc/Clear#2-56 x 3/162-56x3/16 phillips pan head m/s trivalent zinc b18.6.38660
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QFCTXMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/42-56x1/4 phil flat m/s 18-8 s/s b18.6.33750
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QFCTXMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/42-56x1/4 phil pan m/s 18-8 s/s b18.6.32000
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QFCTXMachine Screw316, 317, A4 StainlessPlain#2-56 x 5/162-56x5/16 phil flat m/s 316 s/s b18.6.33400
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QFCTXMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/162-56x3/16 phil flat 100deg m/s 18-8 s/s b18.6.3500
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QFCTXMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/22/56x1/2 phil pan m/s 18-8ss b18.6.31000
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B & K FASTPAMachine ScrewSteelPlain#2#2 deburring tool 82deg b18.6.31
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B & K FASTPAMachine ScrewSteelZinc/Clear#2-56 x 1/42/56 x 1/4 phil pan machine screws zinc b18.6.32100
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Marine FastenersFLMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 5/162-56x5/16 phil flat ms 18-8ss b18.6.3349083
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JET FITTINGCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/32machine screw pan phillips 256x3/32 stainless steel b18.6.31800
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JET FITTINGCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/82-56x1/8 phillips flat100 machine screw stainless steel 18-8 b18.6.34490
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JET FITTINGCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/8machine screw pan phillips 256x1/8 stainless steel b18.6.32490
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JET FITTINGCAMachine ScrewSteelZinc/Clear#2-56 x 1/8machine screw pan phillips 256x1/8 steel zinc b18.6.32300
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JET FITTINGCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/8machine screw binder slotted 256x1/8 stainless steel b18.6.31558
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JET FITTINGCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/162-56x3/16 phillips flat100 machine screw stainless steel 18-8 b18.6.33280
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JET FITTINGCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#2-56 x 3/162-56x3/16 phillips flat100 machine screw stainless steel 18-8 black oxide and wax b18.6.33160
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JET FITTINGCAMachine ScrewSteelNickel#2-56 x 3/16machine screw pan phillips 256x3/16 steel nickel b18.6.3377
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JET FITTINGCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/162-56x3/16 phillips pan machine screw stainless steel 18-8 b18.6.3434
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JET FITTINGCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#2-56 x 3/16machine screw pan phillips 256x3/16 stainless steel black oxide and wax b18.6.31300
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JET FITTINGCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/16machine screw pan phillips 256x3/16 stainless steel lock b18.6.31000
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JET FITTINGCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/16machine screw truss phillips 256x3/16 stainless steel b18.6.35310
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JET FITTINGCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/4machine screw flat82 phillips 256x1/4 stainless steel b18.6.33310
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JET FITTINGCAMachine ScrewSteelBlack Oxide#2-56 x 1/42-56x1/4 phillips pan machine screw steel black oxide and oil b18.6.38000
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JET FITTINGCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/42-56x1/4 phillips pan machine screw stainless steel 18-8 b18.6.3314
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JET FITTINGCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#2-56 x 1/4machine screw pan phillips 256x1/4 stainless steel black oxide b18.6.350
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JET FITTINGCAMachine ScrewSteelZinc/Clear#2-56 x 1/42-56x1/4 phillips pan machine screw steel zinc plated b18.6.328000
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JET FITTINGCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#2-56 x 5/162-56x5/16 phillips flat100 machine screw stainless steel 18-8 black oxide and wax b18.6.3840
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JET FITTINGCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 5/16machine screw flat82 phillips 256x5/16 stainless steel b18.6.3500
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JET FITTINGCAMachine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 3/8machine screw flat100 phillips 256x3/8 stainless steel b18.6.31560
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