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5/16 Machine Screw Nut

Machine screw nuts are hex and square nuts available in much smaller sizes than regular finished hex nuts and are usually used with machine screws rather than machine bolts.

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< td>Steel
Buy Machine Screw Nut from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
JacksonMSMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18nc machine screw nut ss99
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JacksonMSMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18nf machine screw nut ss100
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FTSOHMachine Screw NutSteelCadmium/Yellow5/16-18ms51967-5 nut329
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YANKEENHMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 machine screw nut stainless steel165
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AmericanNYMachine Screw NutBrassPlain5/16-18machine screw nut797
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MAINSOURCNHMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18ms35649-2314 (m/s nut 5/16-18 ss)50
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ACCURATEILMachine Screw NutSteelZinc/Clear5/16-18square ms nut5167
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ACCURATEILMachine Screw NutSteelPlain5/16-18square ms nut50
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ASMCILMachine Screw NutSteelPlain5/16-18 x 9/16 x 7/32coarse hex machine screw nut low carb b18.2.2 b18.6.351
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ACFCAMachine Screw NutSteelZinc/Clear5/16-185/16-18 hex machine screw nut z/p rohs compliant95
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ACFCAMachine Screw NutBrassNickel5/16-185/16-18 brass hex m/s nuts nickel pltd50
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ASMCILMachine Screw NutSteelZinc/Clear5/16-18 x 9/16 x 7/325/16-18x9/16x7/32 coarse hex machine screw nut low carb zp clearance unc3,300
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Purchase MOMachine Screw NutSteelZinc/Clear5/16-185/16-18 hex m/s nut stl zinc54590
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CenturyFLMachine Screw NutSteelPlain5/16-185/16-18 hex m/s nut (STEEL ZI & YEL) (STEEL ZI & YEL) 4235
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CenturyFLMachine Screw NutSteelPlain5/16-185/16-18 hex m/s nut (18-8) (18-8) 253
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GLFOHMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 (9/16x7/32) ss hex m/s nut 304ss MS35649-2314 b18.2.2 b18.6.3 () ()140
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GLFOHMachine Screw NutSteelZinc/Clear5/16-185/16-18 hex m/s nut stl zc b18.2.2 b18.6.3 () ()295
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SISAZMachine Screw NutSteelPlain5/16-185/16-18 non-locking nut cad ii MS35649-2312400
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SISAZMachine Screw NutSteelZinc/Clear5/16-185/16-18 hex mach scr nut steel zinc plate4400
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CenturyFLMachine Screw NutSteelPlain5/16-18ms35649-2312 777
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CenturyFLMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18ms35649-2314 299
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AmericanNYMachine Screw NutSteelNickel5/16-18 x 9/16 x 7/325/16-18 x 9/16 x 7/32 hex m/s nut pl500
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AmericanNYMachine Screw NutSteelPlain5/16-18 x 7 1/2ind hex m/s 2 1/2 thr w nuts200
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AmericanNYMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 9/16 x 7/325/16-18 x 9/16 x 7/32 hex m/s nut 18-8 304600
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IRFNCMachine Screw NutSteelPlain5/16-18machine screw hex nut stl6780
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UNEEDANJMachine Screw NutBrassPlain5/16-18square m/s nut300
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IRFNJMachine Screw NutSteelPlain5/16-18machine screw hex nut stl (chamfered bottom)6685
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IRFNJMachine Screw NutSteelPlain5/16-18machine screw hex nut stl (chamfered bottom)6,685
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IRFNJMachine Screw NutSteelZinc/Clear5/16-18 x 9/16 x 7/32hex machine screw nut stl nickel clear (chamfered bottom)15340
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IRFNJMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18square machine screw nut 18-8 s/s6514
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IRFNJMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18square machine screw nut 18-8 s/s2,003
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IRFNJMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18square machine screw nut 18-8 s/s6514
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GlobalCAMachine Screw NutSteelZinc/Clear5/16-18machine screw nut i900
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GlobalCAMachine Screw NutNylon (Polyamide)Plain5/16-18machine screw nut130
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GlobalCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18machine screw nut 18-8 ss430
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SJS ProdCAMachine Screw NutSteelZinc/Clear5/16-18 x 1/25/16-18x1/2 af m/s hexnut zp
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SJS ProdCAMachine Screw NutSteelZinc/Yellow5/16-18hexnut machine screw 5/16-18 zy 10000
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SJS ProdCAMachine Screw NutSteelZinc/Clear5/16-18hexnut machine screw 5/16-18 zp rohs
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ISSCOMOMachine Screw NutGrade 2Zinc/Clear5/16-18hex mach screw nut .562-.545 waf x.225-.208thk57400
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SASCOORMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18machine screw nut 18-8 sst500
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FMPMAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18hex m/s nut (9/16 x 7/32)21000
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FMPMAMachine Screw NutBrassNickel5/16-18hex m/s nut (9/16 x 7/32)500
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FMPMAMachine Screw NutBrassPlain5/16-18hex m/s nut (9/16 x 7/32)550
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FMPMAMachine Screw NutBrassTin5/16-18hex m/s nut (9/16 x 7/32)3500
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FMPMAMachine Screw NutAluminumPlain5/16-18hex m/s nut (9/16 x 7/32)41
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AIHAZMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 9/16x7/32 ss hex m/s nut 304ss MS35649-2314100
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KomarARMachine Screw NutSteelZinc/Clear5/16-18 hex machine screw nut (9/16 x 7/32) .0005 zinc600
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ZAL INDUSCAMachine Screw NutSteelZinc/Clear5/16-185/16-18 machine screw nut pltd5,000
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ZAL INDUSCAMachine Screw NutBrassPlain5/16-185/16-18 machine screw nut brass1,100
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ZAL INDUSCAMachine Screw NutSteelPlain5/16-185/16-18 machine screw nut1,250
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KomarILMachine Screw NutSteelZinc/Clear5/16-185/16-18 hex mach scr nut(9/16x7/32) zinc550
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ASMCILMachine Screw NutSteelZinc/Clear5/16-18coarse square machine screw nut low carb zp623
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MAINSOURCNHMachine Screw NutSteelPlain5/16-18machine screw nut stl z/clr156
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Kanebridge ILMachine Screw NutSteelBlack Oxide5/16-185/16-18x9/16x7 standard pattern hex machine screw nut black oxide75,000
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Kanebridge ILMachine Screw NutSteelCadmium5/16-185/16-18 , military hex machine screw nuts cadmium ms35649-231225,000
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Kanebridge ILMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18x9/16x7 standard pattern hex machine screw nut 18-8 stainless steel37.500
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Kanebridge ILMachine Screw NutSteelZinc/Clear5/16-185/16-18x9/16x7 coarse thread standard pattern hex machine screw nut zinc75,000
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Kanebridge ILMachine Screw NutSteelZinc/Clear5/16-185/16-18 square machine screw nut zinc50,000
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LibertyILMachine Screw NutSteelZinc/Clear5/16-18hex machine screw nut zinc1,700
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LibertyILMachine Screw NutSteelZinc/Yellow5/16-18square m/s nut & &1,087
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LibertyILMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18hex machine screw nut 18-8 s/s 18-8 s/s100
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LibertyILMachine Screw NutSteelZinc/Clear5/16-18square machine screw square nut rohsflat top and bottom1,000
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LibertyILMachine Screw NutBrassPlain5/16-18hex machine screw nut30
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Kanebridge ILMachine Screw NutSteelZinc/Yellow5/16-185/16-18x9/16x7 hex machine screw nut zinc yellow75,000
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Kanebridge ILMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 military hex machine screw nuts 300 series stainless steel dfar ms35649-23146.250
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Kanebridge ILMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 square machine screw nut 18-8 stainless steel25,000
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XL ScrewGAMachine Screw NutPlain5/16-18 x 9/16 x 7/32hex ms nuts dc-dc3,500
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XL ScrewGAMachine Screw NutSteelZinc/Clear5/16-18 x 9/16 x 7/32hex ms nuts dc-dc zp3,500
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PerigeeMIMachine Screw NutBrassPlain5/16-18 x 9/16 x 5/325/16-18 x 9/16 x 5/32 hex machine screw nut b18.2.2 b18.6.3265
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PerigeeMIMachine Screw NutGrade ACadmium5/16-18 x 9/16 x 17/645/16-18 x 9/16 x 17/64 square nut b18.2.2 b18.6.333
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PerigeeMIMachine Screw NutGrade ACadmium5/16-18 x 9/16 x 17/645/16-18 x 9/16 x 17/64 square nut b18.2.2 b18.6.354
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PerigeeMIMachine Screw NutSteelZinc/Clear5/16-18 x 7/16 x 7/325/16-18 x 7/16 x 7/32 spcl hex machine screw nut b18.2.2 b18.6.3197
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PerigeeMIMachine Screw NutBrassBlack Oxide5/16-18 x 9/16 x 7/325/16-18 x 9/16 x 7/32 hex machine screw nut b18.2.2 b18.6.3805
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PerigeeMIMachine Screw NutGrade ACadmium5/16-18 x 9/16 x 17/645/16-18 x 9/16 x 17/64 square nut b18.2.2 b18.6.31579
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HayesCAMachine Screw NutSteelZinc/Clear5/16-185/16-18 hex machine screw nut zinc1667
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HayesCAMachine Screw NutAluminumPlain5/16-185/16-18 hex machine screw nut alum16
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IndexFastCAMachine Screw NutSteelZinc/Clear5/16-18rf 516240-214 regular type lock nut 5/16-24 steel/mechanical zincinquire
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NAPPCOTXMachine Screw NutSteelZinc/Clear5/16-18hex m/s nut steel zinc pltd 5/16-18800
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SWACOOHMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18ms51971-2 fin hex nut 304ss 304ss891
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MSBNOHMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18Stainless steel with wax 24612
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AFIFLMachine Screw NutBrassPlain5/16-185/16-18 hex ms nut brass1000
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ManscoMIMachine Screw NutSteelZinc/Clear5/16-18 hex m/s nut triv znc1000
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CenturyNYMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 hex m/s nut 18-8253
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Valley NuWAMachine Screw NutSteelZinc/Black5/16-18nc hex machine screw nut zb73
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AFIFLMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 hex ms nut ss4129
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Fastener OHMachine Screw NutSteelPlain5/16-18machine nut 5/16-18 cadmium ms35649-231223
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CenturyNYMachine Screw NutSteelZinc/Yellow5/16-18 hex m/s nut steel zi & yel zinc/yellow4235
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OlanderCAMachine Screw NutSteelCadmium5/16-18 mach hex nut ms stl cad 238
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AbabaCAMachine Screw NutSteelZinc/Clear5/16-245/16-24 m/s nut stl znc b18.2.2 b18.6.31000
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YANKEENHMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24ms spec 5/16-24 hex nut 300 series s/s88
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TSFTXMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24hex machine screw nut stainless steel dfars 5/16-24200
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CenturyFLMachine Screw NutSteelPlain5/16-245/16-24 hex m/s nut (18-8) (18-8) 3300
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CenturyFLMachine Screw NutSteelPlain5/16-245/16-24 hex m/s nut (STEEL ZI & YEL) (STEEL ZI & YEL) 2722
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GLFOHMachine Screw NutSteelPlain5/16-24ms21042-5 b18.2.2 b18.6.3 () ()197
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CenturyFLMachine Screw NutSteelPlain5/16-24ms35650-3312 4362
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CenturyFLMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24ms35650-3314 10
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AmericanNYMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24 x 1/2 x 3/325/16-24 x 1/2 x 3/32 hex m/s nut 18-8 304500
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GUIDONNJMachine Screw NutBrassNickel5/16-24535
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MTPCAMachine Screw NutGrade 8Plain5/16-245/16-24 mil.spec. gr 8 high-strength steel hex nuts ms-51968-6stock
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ISSCOMOMachine Screw NutGrade 2Zinc/Clear5/16-24hex machine screw nut .562-.545 waf x.225-.208thk3000
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FMPMAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24hex m/s nut (9/16 x 7/32)40000
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FMPMAMachine Screw NutSteelZinc/Clear5/16-24hex m/s nut (9/16 x 7/32)15000
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AIHAZMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-245/16-24 hex m/s nut s/s pass 304ss MS35650-331431
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KomarILMachine Screw NutBrassPlain5/16-245/16-24 hex mach scr nut(9/16x7/32) brass1975
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KomarILMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-245/16-24 hex mach scr nut (9/16x7/32) 18-8 ss500
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ASMCILMachine Screw NutSteelZinc/Clear5/16-24 x 9/16 x 7/32fine hex machine screw nut low carb zp2,000
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MTPCAMachine Screw NutGrade 8Plain5/16-245/16-24 mil.spec. gr 8 high-strength steel hex nut ms-51968-6stock
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Kanebridge ILMachine Screw NutSteelZinc/Clear5/16-245/16-24x9/16x7 fine thread hex machine screw nut zinc75,000
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MTPCAMachine Screw NutGrade 8Plain5/16-245/16-24 mil.spec. gr 8 high-strength steel hex nuts ms-51968-6stock
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PerigeeMIMachine Screw NutSteelCadmium5/16-24 x 1/2 x 1/45/16-24 x 1/2 x 1/4 hex counterbore b18.2.2 b18.6.346
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PerigeeMIMachine Screw NutSteelBlack Oxide5/16-245/16-24 x 9/16 x 7/32 hex machine screw nut b18.2.2 b18.6.31784
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PerigeeMIMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-245/16-24 x 9/16 x 7/32 hex machine screw nut b18.2.2 b18.6.3364
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PerigeeMIMachine Screw NutSteelCadmium5/16-24 x 1/2 x 1/45/16-24 x 1/2 x 1/4 hex counterbore b18.2.2 b18.6.31515
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PerigeeMIMachine Screw NutSteelCadmium5/16-24 x 1/2 x 1/45/16-24 x 1/2 x 1/4 hex counterbore b18.2.2 b18.6.3385
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PerigeeMIMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated5/16-24 x 1/2 x 17/645/16-24 x 1/2 x 17/64 fin full lh hex nut b18.2.2 b18.6.395
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PerigeeMIMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated5/16-24 x 1/2 x 17/645/16-24 x 1/2 x 17/64 fin full lh hex nut b18.2.2 b18.6.3343
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MTPCAMachine Screw NutGrade 8Plain5/16-245/16-24 mil.spec. gr 8 high-strength steel hex nuts ms-51968-680
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HayesCAMachine Screw NutBrassPlain5/16-24ms35650-3315b 5/16-24 hex m/s nut brass blk ox30
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CenturyNYMachine Screw NutSteelZinc/Yellow5/16-24 hex m/s nut steel zi & yel zinc/yellow2722
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OlanderCAMachine Screw NutSteelCadmium5/16-24 mach hex nut ms stl cad 250
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CenturyNYMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24 hex m/s nut 18-83300
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OlanderCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24 machine screw hex nut sst10
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FMPMAMachine Screw NutAluminumPlain5/16 x 7/64hex m/s nut (5/16 x 7/64)2000
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JHP FastenersTXMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plainnut hex mach. screw 5/16-24 s/s160
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RCFastAZMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 7/645-40 hex mach sc nut 18-8 3041000
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KomarILMachine Screw NutSteelZinc/Clear5/16 x 7/645-40 hex mach scr nut10000
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KomarOHMachine Screw NutBrassPlain12-28 hex mach scr nut 5/16 x 3/32 hard brass170
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