3/8 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 
AmericanNYMachine Screw NutSteelZinc/Clear3/8-24hex m/s nut zp100
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AmericanNYMachine Screw NutSteelCadmium3/8-16 x 5/8 x 5/163/8-16 x 5/8 x 5/16 hex m/s nut cad pl64
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AmericanNYMachine Screw NutSteelZinc/Clear3/8 x 5/8 x 1/43/8 x 5/8 x 1/4 hex m/s nut zp250
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IRFNJMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16square machine screw nut 18-8 s/s192,384
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GlobalCAMachine Screw NutBrassNickel3/8-16machine screw nut plate plate150
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GlobalCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16machine screw nut 18-8 ss2,957
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GlobalCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24MS35650-338443
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SJS ProdCAMachine Screw NutSteelZinc/Clear3/8-163/8-16 m/s hex nut zp4966
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SJS ProdCAMachine Screw NutSteelZinc/Clear3/8-163/8-16 m/s hex nut st zp rohs2000
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SJS ProdCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 hex machine screw nut ss tumble7
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MAINSOURCNHMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16ms35649-2384 (m/s nut 3/8-16 ss)929
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MAINSOURCNHMachine Screw NutSteelPlain3/8-16machine screw nut stl z/clr392
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ACFCAMachine Screw NutSteelZinc/Clear3/8-163/8-16 hex machine screw nut z/p rohs compliant2200
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ACFCAMachine Screw NutSteelZinc/Yellow3/8-163/8-16 hex machine screw nut zinc ii700
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ACFCAMachine Screw NutSteelCadmium3/8-163/8-16 hex m/s nut cad ii1000
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BrikksenFLMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 hex m/s nut ss b18.2.2 b18.6.329310
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BrikksenFLMachine Screw NutBrassPlain3/8-163/8-16 hex machine screw nut brass b18.2.2 b18.6.311770
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Kanebridge ILMachine Screw NutSteelBlack Oxide3/8-163/8-16x5/8x1/4 standard pattern hex machine screw nut black oxide50,000
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Kanebridge ILMachine Screw NutSteelCadmium3/8-163/8-16 , military hex machine screw nuts cadmium ms35649-238225,000
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Kanebridge ILMachine Screw NutSteelZinc/Clear3/8-163/8-16x5/8x1/4 coarse thread standard pattern hex machine screw nut zinc50,000
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Kanebridge ILMachine Screw NutSteelZinc/Clear3/8-243/8-24x5/8x1/4 fine thread hex machine screw nut zinc50,000
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Kanebridge ILMachine Screw NutSteelZinc/Clear3/8-163/8-16 square machine screw nut zinc25,000
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Kanebridge ILMachine Screw NutSteelZinc/Yellow3/8-163/8-16x5/8x1/4 hex machine screw nut zinc yellow50,000
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Kanebridge ILMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 square machine screw nut 18-8 stainless steel12.500
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YANKEENHMachine Screw NutBrassPlain3/8-163/8-16 machine screw nut brass100
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YANKEENHMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16machine screw nut 18-8 304849
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HayesCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24ms51972-3 3/8-24 fin hex nut 18-8ss3
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Cal FastenrsCAMachine Screw NutSteelZinc/Clear3/8-163/8-16 hex machine screw nut trivalent zinc hex m/s nut500
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Cal FastenrsCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16hex nut 18-8 304 dfars compliant ms51971-3 dfars compliant40
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Cal FastenrsCAMachine Screw NutSteelZinc/Clear3/8-163/8-16 hex machine screw nut i see cr3770
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GLFOHMachine Screw NutSteelPlain3/8-24ms21042-6181
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NutsBoltsNEMachine Screw NutSteelPlain3/8-16ms51967-8 3/8-16 hex nut
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PENCOMOntMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 hex m/s nut ss100
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ACCURATEILMachine Screw NutSteelZinc/Clear3/8-16square ms nut880
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SonfastPAMachine Screw NutSteelZinc/Clear3/8-163/8-16 hex machine screw nuts steel zinc 5/8x1/41,500
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QFCTXMachine Screw NutSteelZinc/Clear3/8-163/8-16 machine screw nut trivalent clear b18.2.2 b18.6.36000
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ASMCILMachine Screw NutBrassPlain3/8-16coarse hex machine screw nut brs25
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ASMCILMachine Screw NutSteelZinc/Clear3/8-16coarse square machine screw nut low carb zp1,095
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ASMCILMachine Screw NutSteelZinc/Clear3/8-16 x 5/8 x 1/4coarse hex machine screw nut low carb zp1,022
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KomarILMachine Screw NutSteelZinc/Clear3/8 x 310-32 hex mach scr nut4,800
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KomarILMachine Screw NutNylonPlain3/8 x 1/810-32 hex mach scr nut()1,300
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KomarILMachine Screw NutNylonPlain3/8 x 1/810-24 hex mach scr nut()25,500
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KomarTNMachine Screw NutSteelPlain3/8 x 1/810-32 hex mach scr nut()30,000
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KomarTNMachine Screw NutSteelZinc/Clear3/8 x 1/810-24 hex mach scr nut()1,500
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KomarOHMachine Screw NutSteelZinc/Clear3/8 x 1/810-24 hex mach scr nut()2,000
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KomarMOMachine Screw NutSteelZinc/Clear3/8 x 1/810-32 hex mach scr nut()507
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KomarILMachine Screw NutSteelZinc/Clear3/8 x 1/810-24 hex mach scr nut()2,000
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KomarARMachine Screw NutSteelPlain3/8-16hex mach scr nut(5/8x1/4)3652
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IRFNCMachine Screw NutSteelPlain3/8-16machine screw hex nut clr stl cad mag12513
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IRFNJMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16square machine screw nut 18-8 s/s15758
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RCFastAZMachine Screw NutBrassPlain3/8-16hex machine screw nut0
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RCFastAZMachine Screw NutSteelPlain3/8-163/8-16 machine sc nut cad (5/8x1/4) MS35649-23820
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RCFastAZMachine Screw NutBrassPlain3/8 x 1/810-32 hex mach sc nut ()900
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RCFastAZMachine Screw NutSteelZinc/Clear3/8-16square machine screw nut stl cr+30
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RCFastAZMachine Screw NutSteelPlain3/8-16hex machine screw nut stl (5/8x1/4)0
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RCFastAZMachine Screw NutSteelZinc/Clear3/8-16hex machine screw nut stl cr+3 (5/8x1/4)0
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RCFastAZMachine Screw NutSteelZinc/Clear3/8-24hex machine screw nut stl cr+3 (5/8x1/4)0
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LibertyILMachine Screw NutSteelPlain3/8-163/8-16 flange nut self locking 0002/0003 cad & ms51988-7 0002/0003 cad & 0002/0003 cad & yellow160
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LibertyILMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16square m/s nut 18-8 s/s stainless640
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LibertyILMachine Screw NutSteelZinc/Clear3/8-16square machine screw nut nut4,390
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LibertyILMachine Screw NutSteelNickel3/8-16hex machine screw nut plate plate3,550
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LibertyILMachine Screw NutSteelZinc/Clear3/8-16hex machine screw nut rohs2,000
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LibertyILMachine Screw NutSteelNickel3/8-16 x 5/8hex machine screw nut plate nut plate2,500
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LibertyILMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16hex machine screw nut 18-8 s/s335
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PerigeeMIMachine Screw NutSteelPlain3/8-16 x 5/8 x 1/43/8-16 x 5/8 x 1/4 hex machine screw nut b18.2.2 b18.6.31402
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PerigeeMIMachine Screw NutSteelPlain3/8-16 x 5/8 x 1/43/8-16 x 5/8 x 1/4 hex machine screw nut b18.2.2 b18.6.3293
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PerigeeMIMachine Screw NutSteelZinc/Clear3/8- 16 x 9/16 x 21/643/8-16 x 9/16 x 21/64 hex machine screw nut b18.2.2 b18.6.388
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PerigeeMIMachine Screw NutSteelPlain3/8-16 x 5/8 x 5/323/8-16 x 5/8 x 5/32 machine screw nut b18.2.2 b18.6.32447
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PerigeeMIMachine Screw NutSteelCadmium3/8-16 x 5/8 x 5/163/8-16 x 5/8 x 5/16 special hex machine screw nut b18.2.2 b18.6.3240
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PerigeeMIMachine Screw NutGrade 7Plain3/8-16 x 9/16 x 21/643/8-16 x 9/16 x 21/64 fin full hex nut b18.2.2 b18.6.3191
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PerigeeMIMachine Screw NutBrassPlain3/8-163/8-16 x 5/8 x 1/4 hex machine screw nut b18.2.2 b18.6.3351
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PerigeeMIMachine Screw NutSteelPlain3/8-16 x 5/8 x 1/43/8-16 x 5/8 x 1/4 hex machine screw nut b18.2.2 b18.6.31084
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PerigeeMIMachine Screw NutSteelPlain3/8-163/8-16 x 5/8 x 1/4 hex machine screw nut b18.2.2 b18.6.3610
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PerigeeMIMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated3/8-243/8-24 x 5/8 x 1/4 hex machine screw nut b18.2.2 b18.6.3884
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PerigeeMIMachine Screw NutGrade BCadmium3/8-16 x 9/16 x 21/643/8-16 x 9/16 x 21/64 fin full hex nut b18.2.2 b18.6.3573
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PerigeeMIMachine Screw NutSteelPlain3/8-16 x 5/8 x 1/43/8-16 x 5/8 x 1/4 hex machine screw nut b18.2.2 b18.6.31179
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CenturyFLMachine Screw NutBrassPlain3/8-243/8-24 hex m/s nut brass70
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CenturyFLMachine Screw NutSteelPlain3/8-24ms21042-643
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CenturyFLMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24ms21043-68
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CenturyFLMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24ms21045c617
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CenturyFLMachine Screw NutSteelPlain3/8-24ms21046c6182
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CenturyFLMachine Screw NutSteelPlain3/8-163/8-16 hex m/s nut7
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CenturyFLMachine Screw NutSteelPlain3/8-163/8-16 hex m/s nut3109
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CenturyFLMachine Screw NutSteelPlain3/8-163/8-16 hex m/s nut3132
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CenturyFLMachine Screw NutSteelPlain3/8-163/8-16 hex m/s nut2965
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CenturyFLMachine Screw NutSteelPlain3/8-163/8-16 hex m/s nut150
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CenturyFLMachine Screw NutSteelPlain3/8-163/8-16 hex m/s nut18886
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CenturyFLMachine Screw NutSteelPlain3/8-163/8-16 square m/s nut600
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CenturyFLMachine Screw NutSteelPlain3/8-243/8-24 hex m/s nut rev-f q2b400
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CenturyFLMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16ms35649-2384872
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CenturyFLMachine Screw NutSteelPlain3/8-16ms35649-2382851
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CenturyFLMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24ms35650-338423
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UNEEDANJMachine Screw NutSteelPlain3/8-16 x 5/8(af) m/s hex nut268
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UNEEDANJMachine Screw NutSteelPlain3/8-16 x 5/8(af) m/s hex nut2650
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UNEEDANJMachine Screw NutSteelPlain3/8-16 x 5/8square m/s nut500
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VertexDILMachine Screw NutBrassPlain3/8-163/8-16 nc hex machinescr nut brass14714
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VertexDILMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 nc hex machine scr nut 18-8 st/st13415
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VertexDILMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-243/8-24 nf hex machine scr nut 18-8 st/st3446
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ZAL INDUSCAMachine Screw NutBrassPlain3/8-163/8-16 machine screw nut brass400
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Purchase MOMachine Screw NutSteelZinc/Clear3/8-243/8-24 hex m/s nut zinc8250
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AbabaCAMachine Screw NutSteelZinc/Clear3/8-163/8-16 m/s nut stl znc b18.2.2 b18.6.31211
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JacksonMSMachine Screw NutSteelZinc/Yellow3/8-16ncmachine screw nut1775
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JET FITTINGCAMachine Screw NutSteelZinc/Clear3/8-163/8-16 hex machine screw nut steel zinc b18.2.2 b18.6.335
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Irwin IndOntMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 hex machine screw nut 18.8 stainless steel b18.2.2 b18.6.37608
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AIHAZMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 5/8 x 1/4 hex m/s nut s/s 304ss MS35649-238430
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AIHAZMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-243/8-24 hex m/s nut s/s pass 304ss MS35650-338454
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ASFCORPMIMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 hx mach scw nut ss pkg72
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BAYFASTCOFLMachine Screw NutBrassPlain3/8-16hex nut brass500
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OlanderCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 machine screw hex nut sst239
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JET FITTINGCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24nut hex 3/824 stainless steel machine screw b18.2.2 b18.6.31138
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OBRIENOHMachine Screw NutSteelZinc/Clear3/8-16sq nut mach scr pattern2200
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SISAZMachine Screw NutBrassTin3/8-243/8-24 hex nut machine screw plate ms35650-3385t MS35650_3385T300
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WSBKYMachine Screw NutGrade 2Plain3/8-16nut hex ms gr2 (pl) 3/8-16 b18.2.2 b18.6.366,000
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ISSCOMOMachine Screw NutBrassPlain3/8-16hex machine screw nut 3/8-16 .625-.607 waf x .257-.239thk6000
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ISSCOMOMachine Screw NutGrade 2Zinc/Clear3/8-24hex machine screw nut .625-.607 waf x .257-.239thk4600
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GUIDONNJMachine Screw NutSteelPlain3/8-16800
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SASCOORMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16machine screw nut 18-8 sst m/s nut s m/s nut s173
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AFIFLMachine Screw NutSteelZinc/Yellow3/8-163/8-16 hex ms nut st zd2158
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AFIFLMachine Screw NutSteelPlain3/8-163/8-16 hex ms nut st cd297
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AFIFLMachine Screw NutSteelZinc/Clear3/8-163/8-16 hex ms nut st zn rohs134
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XL ScrewGAMachine Screw NutSteelPlain3/8-16 x 5/8 x 1/4hex ms nuts dc-dc3,000
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XL ScrewGAMachine Screw NutSteelZinc/Clear3/8-16 x 5/8 x 1/4hex ms nuts dc-dc zp3,000
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RevcarVAMachine Screw NutSteelZinc/Yellow3/8-24hex m/s nut zy1,700
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BRIGHBESTILMachine Screw NutSteelPlain3/8-163/8-16 square machine screw nuts pl24000
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FMPMAMachine Screw Nut316, 317, A4 StainlessBlack Oxide3/8-16hex m/s nut (5/8 x .240) 316100
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FMPMAMachine Screw NutAluminumPlain3/8-16hex m/s nut (5/8 x 1/4)5100
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FMPMAMachine Screw NutBrassZinc/Clear3/8-16hex m/s nut (5/8 x 1/4)1500
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FMPMAMachine Screw NutSteelZinc/Clear3/8-16hex m/s nut (5/8 x 1/4)4500
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FMPMAMachine Screw NutBrassPlain3/8-16hex m/s nut (5/8 x 1/4)2400
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FMPMAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16hex m/s nut (5/8 x 1/4)7000
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FMPMAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24hex m/s nut (5/8 x 1/4)23000
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FMPMAMachine Screw NutSteelPlain3/8-24hex m/s nut (5/8 x 1/4)1100
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Valley NuWAMachine Screw NutSteelZinc/Black3/8-16nc hex machine screw nut zb40
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TimberlineCOMachine Screw NutSteelZinc/Clear3/8-16hx st m/s nut zn 3/8-165994
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SBSMAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16hex m/s nut s/s
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SBSMAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24hex m/s nut 18-8 304
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SpencerOHMachine Screw NutSteelZinc/Clear3/8-1619275
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SpencerOHMachine Screw NutSteelZinc/Clear3/8-1619275
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