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#8 SEMS Machine Screws (ASME B18. 13)

SEMS® Machine Screws are machine screws with pre-assembled captive washers, designed to speed total assembly time in a manufacturing process.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
Irwin IndOntSems Machine ScrewSteelZinc/Clear#8-32 x 3/168-32 x 3/16 pan phil machine screw ext tooth l/w sems zinc b18.1322205
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Irwin IndOntSems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 1/48-32 x 1/4 pan phil ext. tooth sems stainless steel b18.134725
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Irwin IndOntSems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 3/88-32 x 3/8 pan phil m/s with ext. sems l/washer ss b18.131900
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Irwin IndOntSems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/168-32 x 5/16 pan phil m/s ext tooth l/w sems 18-8 ss b18.1312685
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Irwin IndOntSems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 7/168-32 x 7/16 pan phillips m/s ext tooth l/w sems 18-8 ss b18.131943
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Irwin IndOntSems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 1/28-32x1/2 pan torx ext tooth l/w sems stainless steel b18.13226
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Irwin IndOntSems Machine ScrewSteelZinc/Clear#8-32 x 3/88-32 x 3/8 pan pozi ext sems m/s-zinctrivelantclear b18.132000
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Irwin IndOntSems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#8-32 x 1/48-32 x 1/4 pan phil. int sems m/s 18.8 s/s and passivate b18.137556
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Irwin IndOntSems Machine ScrewSteelZinc/Clear#8-32 x 1/28-32 x 1/2 pan phil int sems m/s steel zinc trivalent clear b18.131000
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Irwin IndOntSems Machine ScrewSteelZinc/Clear#8-32 x 3/88-32 x 3/8 pan phil int sems m/s zinc b18.133890
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Irwin IndOntSems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 18-32 x 1 pan phil m/s ext sems stainless steel b18.13525
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Irwin IndOntSems Machine ScrewSteelZinc/Clear#8-32 x 1/48-32 x 1/4 pan phil. int sems m/s steel zinc b18.135600
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GLFOHSems Machine ScrewSteelZinc/Clear#8-32 x 1/2#8-32x1/2 phil pan hd sems internal l/w stl zc b18.13 () () ()580
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GLFOHSems Machine ScrewSteelZinc/Clear#8-32 x 3/4#8-32x3/4 phil pan hd sems external l/w stl zc b18.13 () () ()5700
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GLFOHSems Machine ScrewSteelZinc/Clear#8-32 x 3/8#8-32x3/8 phil pan hd sems internal l/w stl zc b18.13 () () ()630
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GLFOHSems Machine ScrewSteelZinc/Clear#8-32 x 5/16#8-32x5/16 phil pan hd sems internal l/w stl zc b18.13 () () ()9563
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GLFOHSems Machine ScrewSteelZinc/Clear#8-32 x 1/2#8-32x1/2 phil pan hd sems external l/w stl zc b18.13 () () ()3330
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AbabaCASems Machine ScrewSteelBlack Oxide#8 x 3/48 x 3/4 #6 p-oval blk countersunk sems trim screw b18.132
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AbabaCASems Machine ScrewSteelChrome Plated#8 x 3/48 x 3/4 #6 p-oval chrome countersunk sems trim screw b18.135
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AbabaCASems Machine ScrewSteelBlack Oxide#810 x 1 #8 p-oval blk countersunk sems trim screw b18.132
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AbabaCASems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 18-32 x 1 p-pan sem int wsh m/s s/s b18.131020
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AbabaCASems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 1 1/48-32 x 1 1/4 p-pan sem int wsh m/s s/s b18.132074
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AbabaCASems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 1/48-32 x 1/4 p-pan sems int wsh m/s s/s b18.133312
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AbabaCASems Machine ScrewSteelZinc/Clear#8-32 x 1/48-32 x 1/4 p-pan sems int wsh m/s stl znc b18.131097
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AbabaCASems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/168-32 x 5/16 p-pan sem int wsh m/s s/s b18.134000
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AbabaCASems Machine ScrewSteelZinc/Clear#8-32 x 5/168-32 x 5/16 p-pan sems int wsh m/s stl znc b18.13116
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AbabaCASems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 3/88-32 x 3/8 p-pan sem ext wsh m/s s/s b18.137189
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AbabaCASems Machine ScrewSteelZinc/Clear#8-32 x 3/88-32 x 3/8 p-pan sems ext wsh m/s stl znc b18.132321
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AbabaCASems Machine ScrewSteelZinc/Clear#8-32 x 3/88-32 x 3/8 p-pan sem int wsh m/s stl znc b18.135865
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AbabaCASems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 1/28-32 x 1/2 p-pan sems int wsh m/s s/s b18.136015
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AbabaCASems Machine ScrewSteelZinc/Clear#8-32 x 1/28-32 x 1/2 p-pan sems int wsh m/s stl znc b18.135225
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AbabaCASems Machine ScrewSteelZinc/Clear#8-32 x 9/168-32 x 9/16 p-pan sem int wsh m/s steel znc b18.1380
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AbabaCASems Machine ScrewSteelZinc/Clear#8-32 x 5/88-32 x 5/8 p-pan sems int wsh m/s stl znc b18.132383
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AbabaCASems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 3/48-32 x 3/4 p-pan sems int wsh m/s s/s b18.135407
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AbabaCASems Machine ScrewSteelZinc/Clear#8-32 x 3/48-32 x 3/4 p-pan sems int wsh m/s stl znc b18.13600
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AbabaCASems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 7/88-32 x 7/8 p-pan sem int wsh m/s s/s b18.131587
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AbabaCASems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 3/88-32 x 3/8 p-pan sem int wsh m/s s/s b18.133000
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EximS'poreSems Machine Screw400 Stainless (405, 410,416,420,430 etc.)Passivated#8-32 x 1/4screw pan head phillips recess 18-8 s/s passivatedw. ext. toothlock washer 410 s/s#8-32 x 1/4 in b18.1314258
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EximS'poreSems Machine ScrewSteelZinc/Clear#8-32 x 1/4screw hex headsteel clear zn unc 2a w. ext tooth l/w# 8-32 x 1/4 in b18.1313120
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EximS'poreSems Machine ScrewSteelZinc/Clear#8-32 x 5/16screw pan head phillips-recesssteel blue zn w.ext tooth l/washer# 8-32 x 5/16 in unc 2a (pe09912256) b18.1349831
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EximS'poreSems Machine ScrewSteelZinc/Clear#8-32 x 3/8screw pan head phillips-recesssteel blue zn w. int tooth l/washer# 8-32 x 3/8 in. b18.1325669
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EximS'poreSems Machine ScrewSteelZinc/Clear#8-32 x 3/8screw pan head phillips-recesssteel blue trivalent square cone washer# 8-32 x 3/8 in unc 3a b18.134383
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EximS'poreSems Machine ScrewSteelZinc/Clear#8-32 x 3/8screw regular hex head w. ext tooth l/walloy steel blue zinc unc 2a# 8-32 x 3/8 in b18.1314754
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EximS'poreSems Machine ScrewSteelPlain#8-32 x 3/8screw pan head phillips-recesssteel clear chromate square cone washer# 8-32 x 3/8 in unc 3a b18.1320
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EximS'poreSems Machine ScrewSteelZinc/Clear#8-32 x 0 1/20screw hex headsteel blue zn w. ext tooth l/washer# 8-32 x 0.50 in b18.132400
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EximS'poreSems Machine ScrewSteelZinc/Clear#8-32 x 1 1/2screw hex headsteel blue zn w.ext tooth l/washer# 8-32 x 1-1/2 in. b18.132449
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SIIINSems Machine ScrewSteelZinc/Clear#8 x 1 1/8#8x1-1/8 phillips round washer 1/2 head deep thread zinc plated b18.137500
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SIIINSems Machine ScrewSteelZinc/Clear#8 x 1/2screw rnd washr head #8 x 1/2 coarse znc b18.13508060
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SIIINSems Machine ScrewSteelPhosphate#8 x 1 3/4#8 x 1-3/4 phil round washer deep thread black phos / 6000 per box b18.13140300
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JET FITTINGCASems Machine ScrewSteelPlain#8-32 x 1/48-32x1/4 phillips pn x-sems stl zi 593191 b18.1319792
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JET FITTINGCASems Machine ScrewSteelPlain#8-32 x 18-32x1 phillips pn sq cone sems stl zi 8-32 X 1 PH PN SQ CONE SEMS STL ZI b18.1310000
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JET FITTINGCASems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 1/48-32x1/4 phillips pn dbl sem 18-8 (nas1301c8-4) b18.13284
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JET FITTINGCASems Machine ScrewSteelPlain#8-32 x 3/48-32x3/4 phillips pn ms x-sems stl zi 8-32X3/4 PH PN MS EXTERNAL SEMS STL ZI b18.1314380
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JET FITTINGCASems Machine ScrewSteelPlain#8-32 x 3/88-32x3/8 phillips pn sq cone sems stl zi 8-32 x 3/8 PH PN SQ CONE SEMS STL ZI b18.1310000
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JET FITTINGCASems Machine ScrewSteelPlain#8-32 x 3/48-32x3/4 phillips pn sq cone sems stl zi 8-32 X 3/4 PH PN SQ CONE SEMS STL ZI b18.1310000
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JET FITTINGCASems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 5/168-32x5/16 phillips pn dbl sem 18-8 (nas1301c8-5) b18.131500
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JET FITTINGCASems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 3/88-32x3/8 phillips pn sq cone sems 18-8 s/s SE08C037PPSCSS b18.131889
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JET FITTINGCASems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 3/88-32x3/8 phillips pn dbl sem 18-8 (nas1301c8-6) b18.131000
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JET FITTINGCASems Machine ScrewSteelPlain#8-32 x 1/28-32x1/2 phillips pn sq cone sems stl zi 8-32 X 1/2 PH PN SQ CONE SEMS STL ZI b18.1310000
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QFCTXSems Machine ScrewSteelPlain#8 x 1/28x1/2 phil round washer head tapping b18.13300
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TXSems Machine ScrewSteelZinc/Clear#8 x 3/48x3/4 phil round wash hd needle pt zc b18.134700
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QFCTXSems Machine ScrewSteelZinc/Clear#8 x 3/48x3/4 phil round wash hd needle pt zc b18.13200
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QFCTXSems Machine ScrewSteelZinc/Clear#8 x 1 1/48x1 1/4 phil round wash tapping zinc b18.1314500
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QFCTXSems Machine ScrewSteelZinc/Clear#8 x 1 1/48x1 1/4 phil round wash tapping zinc b18.13200
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QFCTXSems Machine ScrewSteelZinc/Clear#8-32 x 18-32x1 pan phil sq cone sems trivalent b18.133000
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QFCTXSems Machine ScrewSteelZinc/Clear#8-32 x 1/48-32x1/4 pan phil sq cone sems zinc b18.134400
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QFCTXSems Machine ScrewSteelPlain#8-32 x 1/48-32x1/4 phil pan ext sem screw b18.134775
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QFCTXSems Machine ScrewSteelPlain#8-32 x 1/48-32x1/4 slotted pan ext sem screw b18.1315000
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QFCTXSems Machine ScrewSteelZinc/Clear#8-32 x 1/48-32x1/4 slotted pan head machine screw and helical spring lock washer assembly (sems) zinc plated (96 hrs salt spray test white rust) rohs b18.1339100
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QFCTXSems Machine ScrewSteelZinc/Clear#8-32 x 5/168-32x5/16 pan phil sq cone sems zinc b18.131282
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QFCTXSems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Zinc/Clear#8-32 x 5/16#8-32x5/16 pan head slotted m/s external tooth l/w sems zinc (96 hrs sst white rust) rohs b18.1320170
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QFCTXSems Machine ScrewSteelZinc/Clear#8-32 x 5/168-32x5/16 slotted pan external sems zinc b18.137000
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QFCTXSems Machine ScrewSteelZinc/Clear#8-32 x 5/168-32x5/16 slotted pan external sems zinc b18.1312000
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QFCTXSems Machine ScrewSteelPlain#8-32 x 3/88-32x3/8 hex slotted square cone sems b18.135221
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QFCTXSems Machine ScrewSteelPlain#8-32 x 3/88-32x3/8 phillips pan square cone sems b18.138900
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QFCTXSems Machine ScrewSteelPlain#8-32 x 3/88-32x3/8 phil pan ext sem screw b18.134000
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QFCTXSems Machine ScrewSteelPlain#8-32 x 3/88-32x3/8 phil pan ext sem screw b18.133000
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QFCTXSems Machine ScrewSteelPlain#8-32 x 3/88-32x3/8 phil pan ext sem screw black b18.13559
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QFCTXSems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 3/88-32x3/8 phil pan ext sem screw 18-8 b18.131250
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B & K FASTPASems Machine ScrewSteelChrome Plated#8 x 3/4#8 x 3/4 phil oval washer s m s chrome b18.13200
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General FMISems Machine ScrewSteelZinc/Clear#8-32 x 3/48-32 x .75 pan phil int lw sems zn b18.134100
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General FMISems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 03/88-32 x 0.375 pn phil ms ss ext sems b18.131104
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General FMISems Machine ScrewSteelZinc/Clear#8-32 x 3/88-32 x .375 pn phil sem w/ext lw b18.1312158
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General FMISems Machine ScrewSteelZinc/Clear#8-32 x 3/88-32 x .375 phil truss sems nar-l zn b18.1310725
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General FMISems Machine ScrewSteelPlain#8-32 x 0.348-32 x 0.34 pn slotted ms sems b18.13197990
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General FMISems Machine ScrewSteelPlain#8-32 x 3/88-32 x .38 pn hd phil sems ms mag 560 b18.1312045
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OSSCORISems Machine ScrewSteelPlain#8 x 18x1 phillips oval head sems b18.13100
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QFCTXSems Machine ScrewSteelZinc/Clear#8-32 x 18-32 x 1 phil pan ext sems screw zinc b18.13500
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QFCTXSems Machine ScrewSteelPlain#8-32 x 1 1/28-32x1 1/2 pan phil sq cone sems black b18.1332500
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QFCTXSems Machine ScrewSteelZinc/Clear#8-32 x 1 1/28-32 x 1-1/2 phil pan ext sems screw zinc b18.131500
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QFCTXSems Machine ScrewSteelPlain#8-32 x 28-32 x 2 phil pan ext sem screw black b18.1323330
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QFCTXSems Machine ScrewSteelZinc/Clear#8-32 x 28-32 x 2 phil pan ext sem screw zinc b18.131500
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QFCTXSems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 1/48-32 x 1/4 pan phil sq cone sems 18-8 b18.133000
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QFCTXSems Machine ScrewSteelZinc/Clear#8-32 x 1/48-32 x 1/4 phillips pan head external sems screw trivalent zinc b18.13500
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QFCTXSems Machine ScrewSteelZinc/Clear#8-32 x 5/168-32x5/16 phil pan ext sem m/s zinc b18.13900
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QFCTXSems Machine ScrewSteelZinc/Yellow#8-32 x 5/168-32x5/16 phil pan ext sem m/s zy b18.134000
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QFCTXSems Machine ScrewSteelZinc/Yellow#8-32 x 3/88-32x3/8 phillips pan square cone sem zy b18.131000
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QFCTXSems Machine ScrewSteelPlain#8-32 x 3/88-32 x 3/8 philips pan head internal sems screw b18.134000
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QFCTXSems Machine ScrewSteelPlain#8-32 x 3/88-32 x 3/8 pan phil double washer sems b18.131400
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QFCTXSems Machine ScrewSteelPlain#8-32 x 3/88-32 x 3/8 slotted hex hd ext sem screw b18.139000
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QFCTXSems Machine ScrewSteelZinc/Clear#8-32 x 1/28-32 x 1/2 phil pan ext sems screw zinc b18.132500
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QFCTXSems Machine ScrewSteelZinc/Clear#8-32 x 5/88-32x5/8 hh slotted square cone sem zinc b18.139500
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QFCTXSems Machine ScrewSteelPlain#8-32 x 5/88-32 x 5/8 phil pan ext sem screw b18.1333833
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JET FITTINGCASems Machine ScrewSteelZinc/Clear#8 x 1/2dws round washer phillips #8x1/2 steel zinc plated b18.132675
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JET FITTINGCASems Machine ScrewSteelZinc/Clear#8-32 x 1/4sem int pan phillips 832x1/4 steel zinc plated b18.132650
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JET FITTINGCASems Machine ScrewSteelZinc/Clear#8-32 x 1/4sem ext pan phillips 832x1/4 steel zinc plated b18.133500
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JET FITTINGCASems Machine ScrewSteelZinc/Clear#8-32 x 5/16sem ext pan phillips 832x5/16 steel zinc plated b18.131960
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JET FITTINGCASems Machine ScrewSteelZinc/Clear#8-32 x 3/8sems internal tooth pan phillips 8-32x3/8 steel zinc plated b18.13900
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JET FITTINGCASems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 3/8sem s cone pan phillips 832x3/8 stainless steel b18.131389
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JET FITTINGCASems Machine ScrewSteelZinc/Clear#8-32 x 3/4sem ext pan phillips 832x3/4 steel zinc plated b18.135000
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JET FITTINGCASems Machine ScrewSteelZinc/Clear#8-32 x 5/16sem s cone pan phillips 832x5/16 steel zinc plated b18.134375
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JET FITTINGCASems Machine ScrewSteelZinc/Clear#8-32 x 3/4sem s cone pan phillips 832x3/4 steel zinc plated b18.132000
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WSBKYSems Machine ScrewSteelPlain#8-32e/screw ms bnd sems st (pl) 8-32 b18.1364,021
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WSBKYSems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 1/2screw ms pn semi (18-8) ph 8-32x1/2 b18.136,238
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WSBKYSems Machine ScrewSteelPlaine/screw hwh sems (302) 8-16x1/2 b18.1350,264
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WSBKYSems Machine ScrewSteelZinc/Clear#8-32 x 1screw tc f pn seme st (zt) ph 8-32x1 b18.131,038
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