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5/16 SEMS Machine Screws

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 
AmericanNYSems Machine ScrewSteelZinc/Clear5/16-18 x 5/16slotted tuss external sems zp1500
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AmericanNYSems Machine ScrewSteelZinc/Clear5/16-18 x 3/8slotted round split sems zp1500
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AmericanNYSems Machine ScrewSteelPlain5/16-18 x 3/8slotted round external sems5000
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FMPMASems Machine ScrewSteelZinc/Clear5/16-18 x 7/16slotted pan with internal l/w510
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AmericanNYSems Machine ScrewSteelCadmium5/16-18 x 1/2slotted round external sems cad pl17000
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IRFNJSems Machine ScrewSteelBlack Oxide5/16-18 x 1/2serrated indented hex washer unslotted black ox5470
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IRFNJSems Machine ScrewSteelBlack Oxide5/16-18 x 1/2serrated indented hex washer unslotted black ox5470
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IRFNJSems Machine ScrewSteelBlack Oxide5/16-18 x 1/2serrated indented hex washer unslotted black ox5470
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EndriesWISems Machine ScrewSteelPhosphate5/16-18 x 1/25/16-18x1/2 indented hex head sems machine screw with split lock washer phos and oil1000
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Kanebridge ILSems Machine ScrewSteelZinc/Clear5/16-18 x 1/25/16-18x1/2 unslotted hex washer external sems machine screw fully threaded zinc and25,000
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HayesCASems Machine ScrewSteelZinc/Clear5/16 x 1/25/16 x 1/2 slotted hex wash a/ab zinc75
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AmericanNYSems Machine ScrewSteelPlain5/16-24 x 5/8indent hex internal sems1630
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ACFCASems Machine ScrewSteelZinc/Clear5/16-18 x 5/85/16-18x5/8 hex square cone sems z/p rohs26000
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CenturyFLSems Machine ScrewSteelPlain5/16-18 x 5/85/16-18x5/8 unsl ind hex washr crest cup (SEMS MACH SCR STL ZN YEL BAKE ROHS COMPL) (SEMS MACH SCR STL ZN YEL BAKE ROHS COMPL) 25350
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AmericanNYSems Machine ScrewSteelZinc/Clear5/16-18 x 5/8slotted hex split sems zp300
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Cal FastenrsCASems Machine ScrewGrade 5Zinc/Clear5/16-18 x 5/8unslotted hex washer w/serrations Cr3+ unslotted hex washer500
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MidStatesMISems Machine ScrewSteelPlain5/16-24 x 5/8truss phil ext sem926
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JacksonMSSems Machine ScrewSteelZinc/Clear5/16 x 5/8nc hex w/ ext. sems l/w indented m/s1025
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General FMISems Machine ScrewSteelZinc/Clear5/16-18 x .6255/16-18 x .625 phil pn sems nar-l zn b18.135594
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FMPMASems Machine ScrewSteelZinc/Clear5/16-18 x 5/8slotted pan with internal l/w676
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Mid-ValleyCASems Machine ScrewSteelZinc/Yellow5/16-18 x 5/8sems tapping screw b18.13inquire
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CenturyNYSems Machine ScrewSteelZinc/Yellow5/16-18 x 5/85/16-18x5/8 unslotted indented hex washr crest cup sems mach scr stl zn yel bake rohs compl25350
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Cal FastenrsCASems Machine ScrewGrade 5Zinc/Clear5/16-18 x 3/4hex washer gr5 -w/serration-Cr3+3,300
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Cal FastenrsCASems Machine ScrewSteelZinc/Clear5/16-18 x 3/4unslotted hex washer - unslotted hex washer5
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IRFNJSems Machine ScrewSteelZinc/Clear5/16-18 x 3/4ind hex flat washer sems dog pointernal w/patch with zn/ni with clear Cr3+ cr(3+)53091
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Kanebridge ILSems Machine ScrewSteelZinc/Clear5/16-18 x 3/45/16-18x3/4 slotted hex washer external sems machine screw fully threaded zinc and bake37.500
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Kanebridge ILSems Machine ScrewSteelZinc/Clear5/16-18 x 3/45/16-18x3/4 phillips pan external sems machine screw fully threaded zinc and bake37.500
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Kanebridge ILSems Machine ScrewSteelZinc/Clear5/16-18 x 3/45/16-18x3/4 unslotted hex washer external sems machine screw fully threaded zinc and25,000
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ManscoMISems Machine ScrewSteelZinc/Clear5/16-18 x 3/4indented hex washer unslotted m/s triv znc w/ext sems 20/bag190
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ManscoMISems Machine ScrewSteelZinc/Clear5/16-18 x 3/4indented hex washer unslotted m/s triv znc w/ext sems915
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AmericanNYSems Machine ScrewSteelPlain5/16-18 x 7/8slotted pan internal sems black1100
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AmericanNYSems Machine ScrewSteelCadmium5/16-24 x 7/8hex indented ext sems cad pl1000
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AmericanNYSems Machine ScrewSteelPlain5/16-18 x 7/8hex int/ext sems6500
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WurthINSems Machine ScrewSteelZinc/Clear5/16-18 x 7/85/16-18x 7/8ind hex hd sems w/split l/w zinc pack 500 per poly bag2,450
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IPCVASems Machine ScrewSteelZinc/Yellow5/16-18 x 7/85/16-18x7/8 indented hex unslotted m/s sems split l.w. steel zinc yellow14,200
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FACCAOntSems Machine ScrewSteelCadmium5/16-24 x 7/8phillips hex head sems machine screw with convex square lockwasher 5/16-24 x 7/8 lg 9/16 af 3/4 washer od low carbon steel cadmium plated b18.1310,150
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QCSORSems Machine ScrewSteelZinc/Clear5/16-18 x 7/85/16-18x7/8 indented hex ext sems zinc543
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AmericanNYSems Machine ScrewSteelZinc/Clear5/16-24 x 1hex split sems 1/2 brite zp1000
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MidStatesMISems Machine ScrewSteelZinc/Clear5/16-18 x 1in hex unslotted m/s w/ l/w znc663
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FastWareSaskSems Machine ScrewSteelPhosphate5/16-18 x 1flat phillips c/w countersunk external tooth lockwasher1,000
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Kanebridge ILSems Machine ScrewSteelZinc/Clear5/16-18 x 15/16-18x1 phillips pan external sems machine screw fully threaded zinc and bake31.250
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Kanebridge ILSems Machine ScrewSteelZinc/Clear5/16-18 x 15/16-18x1 unslotted hex washer external sems machine screw fully threaded zinc and31.250
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General FMISems Machine ScrewSteelPlain5/16-18 x 15/16-18x1 sems screw w/patch b18.1311500
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RevcarVASems Machine ScrewGrade 5Zinc/Clear5/16-18 x 1slotted hwh m/s crt cup sems gr5.115,275
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FACCAOntSems Machine ScrewSteelCadmium5/16-18 x 1sems machine screw phillips flat hd w/ ctsk ext tooth lockwasher 5/16-18 unc x 1 lg low carbon steel cadmium plated b18.1315,990
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IndexFastCASems Machine ScrewSteelPhosphate5/16-18 x 19756 hex bellville washer head semsinquire
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IndexFastCASems Machine ScrewSteelPhosphate5/16-18 x 111320 indented hex sems 1/2 af 7/8 wash o.d.inquire
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BuckeyeOHSems Machine ScrewSteelPlain5/16-18 x 15/16-18 x 1, modified hw style weld screw w/ dog pointinquire
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CIFILSems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 15/16-18x1 torx truss head sem 18-8 s/s steel5000
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EASTERN SCREWRISems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 15/16-18 x 1 hex washer 18-849840
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EASTERN SCREWRISems Machine Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 15/16-18 x 1 hex washer 18-88800
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IndexFastCASems Machine ScrewSteelPlain5/16-18 x 1 1/1617035 body bolt 5/16-18 x 1-1/16 hex head sems w/dog point 7/8 washer o.d. 1/2 hex zininquire
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AmericanNYSems Machine ScrewSteelPlain5/16-24 x 1 1/8hex split sems2500
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AmericanNYSems Machine ScrewSteelZinc/Clear5/16-18 x 1 1/8hex split sems pl800
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AmericanNYSems Machine ScrewSteelPlain5/16-18 x 1 1/4f flat washer (1 1/4) sems3000
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ACFCASems Machine ScrewSteelZinc/Clear5/16-18 x 1 1/45/16-18x1-1/4 phillips indented hex square cone sems z/p rohs3397
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AmericanNYSems Machine ScrewSteelPlain5/16-24 x 1 1/4phillips fillister split sems2500
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MidStatesMISems Machine ScrewSteelZinc/Clear5/16-18 x 1 1/4hex unslotted m/s w/ l/w z494
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EndriesWISems Machine ScrewSteelZinc/Black5/16x1-1/4x.047/.080 fender washer hex chrome free zinc flake black 720 hours to red rust1700
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RevcarVASems Machine ScrewGrade 5Zinc/Clear5/16-18 x 1 1/4slotted hwh m/s crt cup sems gr5.15,700
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ManscoMISems Machine ScrewSteelZinc/Clear5/16-18 x 1 1/45/16-18 x 1-1/4 indented hex washer unslotted metal tf scr triv znc403
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AmericanNYSems Machine ScrewSteelCadmium5/16-18 x 1 3/8indented hex split sems cad pl2500
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AmericanNYSems Machine ScrewSteelPlain5/16-24 x 1 1/2phil fillister split sems250
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LibertyILSems Machine ScrewSteelZinc /Clear5/16-18 x 1 1/2phil pan exter nal sems nal sems2,900
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RevcarVASems Machine ScrewGrade 5Zinc/Clear5/16-18 x 1 1/2slotted hwh m/s crt cup sems gr5.112,750
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Palmer BoltOHSems Machine ScrewGrade 8Plain5/16-18 x 1 1/2special gr 8 hex fw sems5,000
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FTSOHSems Machine ScrewSteelZinc/Clear5/16-18 x 1 5/8indented hex washer unslotted t t110,000
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IPCVASems Machine ScrewSteelZinc/Yellow5/16-18 x 1 3/45/16-18x1 3/4 indented hex unslotted m/s sems split l.w. steel zinc yellow6,574
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RevcarVASems Machine ScrewGrade 5Zinc/Clear5/16-18 x 1 3/4slotted hwh m/s crt cup sems gr5.113,750
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IPCVASems Machine ScrewSteelZinc/Yellow5/16-24 x 25/16-24x2 indented hex unslotted m/s sems int steel zinc yellow820
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HewesNYSems Machine ScrewSteelPlain5/16-18 x 2 1/2slotted roundsems full thread22850
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IRFNJSems Machine ScrewSteelZinc/Yellow5/16-18 x 3slotted round m/s ylw stl & magnagar2050
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KomarILSems Machine ScrewSteelZinc/Clear5/16-18 x 4slotted hex washer1050
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IRFNJSems Machine ScrewSteelZinc/Clear5/16int/ext tooth l/w clr stl nickel with clear Cr3+26670
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IRFNJSems Machine ScrewSteelZinc/Clear5/16int/ext tooth l/w clr stl nickel with clear Cr3+26670
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IRFNJSems Machine ScrewSteelZinc/Clear5/16int/ext tooth l/w clr stl nickel with clear Cr3+26670
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Field FasILSems Machine ScrewSteelZinc/Yellow5/16 uss flat washer stl zc/yellow hexevalent 72 hours to red3,930
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EndriesWISems Machine ScrewSteelZinc/Clear5/16x2 fender washer hex chromium free 96 hr salt spray zinc50
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FACCAOntSems Machine ScrewSteelCadmium5/16-24sems machine screw phillips flat trim hd w/ctsk ext tooth lockwasher 5/16-24 unf x 1 5/16 lgth low carbon steel cadmium plated b18.1311,000
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