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5/16-18 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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SupplierLocTypeMaterialFinishSizeDescriptionQty 
JacksonMSMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18nc machine screw nut ss98
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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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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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MAINSOURCNHMachine Screw NutSteelPlain5/16-18machine screw nut stl z/clr156
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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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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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IndexFastCAMachine Screw NutSteelZinc/Clear5/16-18rf 516240-214 regular type lock nut 5/16-24 steel/mechanical zincinquire
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AIHAZMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 machine screw nut s/s248
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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 MS35649-231428
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ACCURATEILMachine Screw NutSteelZinc/Clear5/16-18square ms nut4167
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ACCURATEILMachine Screw NutSteelPlain5/16-18square ms nut50
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UNEEDANJMachine Screw NutBrassPlain5/16-18square m/s nut300
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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 bottom3,500
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LibertyILMachine Screw NutBrassPlain5/16-18hex machine screw nut30
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AmericanNYMachine Screw NutBrassPlain5/16-18machine screw nut797
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AmericanNYMachine Screw NutSteelNickel Plated5/16-18 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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SJS ProdCAMachine Screw NutSteelZinc/Yellow5/16-18hexnut machine screw 5/16-18 zy 10000
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Fastener OHMachine Screw NutSteelPlain5/16-18machine nut 5/16-18 cadmium ms35649-231223
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AFIFLMachine Screw NutBrassPlain5/16-185/16-18 hex ms nut brass ()1000
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AFIFLMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 hex ms nut ss () ()4129
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KomarILMachine Screw NutSteelZinc/Clear5/16-185/16-18 hex mach scr nut(9/16x7/32) zinc550
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XL ScrewGAMachine Screw NutSteelPlain5/16-18 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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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/Clear5/16-18hexnut machine screw 5/16-18 zp rohs
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IRFNJMachine Screw NutSteelPlain5/16-18machine screw hex nut stl (chamfered bottom)6,685
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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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Purchase MOMachine Screw NutSteelZinc/Clear5/16-185/16-18 hex m/s nut stl zinc54590
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FTSOHMachine Screw NutSteelCadmium/Yellow5/16-18ms51967-5 nut329
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ISSCOMOMachine Screw NutGrade 2Zinc/Clear5/16-18hex mach screw nut .562-.545 waf x.225-.208thk57400
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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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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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ACFCAMachine Screw NutSteelZinc/Clear5/16-185/16-18 hex machine screw nut z/p rohs compliant95
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ACFCAMachine Screw NutBrassNickel Plated5/16-185/16-18 brass hex m/s nuts nickel pltd50
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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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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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IRFNCMachine Screw NutSteelPlain5/16-18machine screw hex nut stl6780
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IRFNJMachine Screw NutSteelPlain5/16-18machine screw hex nut stl (chamfered bottom)6685
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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/s6514
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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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MSBNOHMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18Stainless steel with wax 24612
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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 NutBrassNickel Plated5/16-18hex 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 NutBrassTin Plated5/16-18hex 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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Valley NuWAMachine Screw NutSteelZinc/Black5/16-18nc hex machine screw nut zb73
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