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#4 Machine Screw Nut (ASME B18. 2.2)

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.

36 results, (click on any line for more information)
Buy Machine Screw Nut from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
GLFOHMachine Screw NutSteelZinc/Yellow#4-40#4-40 sml pat hex m/s nut stl zy b18.2.2 b18.6.3 () () ()20447,000
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GLFOHMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#4-404-40 (1/4x3/32) ss hex m/s nut w/certs 304ss MS35649-244 b18.2.2 b18.6.3 () () ()949,000
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GLFOHMachine Screw NutSteelCadmium/Yellow#4-404-40 (1/4x3/32) steel hex m/s nut cad/yellow MS35649-242 b18.2.2 b18.6.3 () () ()404,000
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GLFOHMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40#4-40 sml pat hex m/s nut 18-8 s/s b18.2.2 b18.6.3 () () ()24,000
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GLFOHMachine Screw NutSteelZinc/Clear#4-40#4-40 hex m/s nut stl zc b18.2.2 b18.6.3 () () ()96418,000
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GLFOHMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40#4-40 hex m/s nut 18-8 s/s b18.2.2 b18.6.3 () () ()3465,000
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Irwin IndOntMachine Screw NutNylon (Polyamide)Plain#4-404-40 hex nylon m/screw nut # 0400440hn b18.2.2 b18.6.3 4761
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Irwin IndOntMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-404-40 unc hex machine screw nuts stainless stl b18.2.2 b18.6.3 33000
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Irwin IndOntMachine Screw NutSteelZinc/Clear#4-404-40 unc hex machine screw nuts steel zinc trivalent clr b18.2.2 b18.6.3 43395
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Irwin IndOntMachine Screw NutSteelZinc/Black#4-404-40 hex m/s nut steel .0002 min zinc trivalent black b18.2.2 b18.6.37267
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Irwin IndOntMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-404-40 on #2 hex machine screw nuts small pattern s/s b18.2.2 b18.6.3 475
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AbabaCAMachine Screw NutBrassPlain#4-404-40 m/s nut brass b18.2.2 b18.6.3200
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AbabaCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-404-40 m/s nut s/s b18.2.2 b18.6.311600
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AbabaCAMachine Screw NutSteelZinc/Yellow#4-404-40 m/s nut trivalent stl yel znc b18.2.2 b18.6.32686
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AbabaCAMachine Screw NutSteelZinc/Clear#4-404-40 m/s nut stl znc b18.2.2 b18.6.329600
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AbabaCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-484-48 m/s nut s/s b18.2.2 b18.6.3194
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AbabaCAMachine Screw NutNylon (Polyamide)Plain#4-404-40 m/s nut nylon b18.2.2 b18.6.31900
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AbabaCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-404-40 m/s nut s/s b18.2.2 b18.6.31200
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AbabaCAMachine Screw NutSteelZinc/Clear#4-404-40 m/s nut stl znc b18.2.2 b18.6.31000
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SIIINMachine Screw NutSteelZinc/Clear#4-404-40 zinc machine screw nut) b18.2.2 b18.6.320064
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QFCTXMachine Screw NutSteelZinc/Clear#4-404-40 small patter hex nut steel zinc clear sorted 50ppm b18.2.2 b18.6.33000000
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QFCTXMachine Screw NutSteelPlain#4-404-40 machine screw nut nylon b18.2.2 b18.6.32000
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QFCTXMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-404-40 machine screw nut 18-8 b18.2.2 b18.6.312300
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QFCTXMachine Screw NutSteelZinc/Clear#4-404-40 small pat hex m/s nut trivalent b18.2.2 b18.6.323600
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QFCTXMachine Screw NutSteelZinc/Yellow#4-404-40 small pat hex m/s nut zinc/yellow b18.2.2 b18.6.3870
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QFCTXMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-404-40 mach nut small pattern 18-8 ss b18.2.2 b18.6.32000
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General FMIMachine Screw NutSteelZinc/Clear#4-404-40 (1/4x3/32) hex ms nut.00015 zn b18.2.2 b18.6.3294,365
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OSSCORIMachine Screw NutNylon (Polyamide)Plain#4-404-40 machine screw nut nylon b18.2.2 b18.6.3100
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QFCTXMachine Screw NutSteelZinc/Yellow#4-404-40 machine screw nut trivalent z/y b18.2.2 b18.6.31000
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PerigeeMIMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Silver Plated#4-40 x 1/4 x 3/324-40 x 1/4 x 3/32 hex machine screw nut b18.2.2 b18.6.3147
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WurthOntMachine Screw NutGrade 2Zinc/Clear#4-40nut hx ms gr2 (zn) 4-40 b18.2.2 b18.6.33600
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WurthOntMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40nut hx ms sst (18-8) (pl) 4-40 b18.2.2 b18.6.32907
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KBSTNMachine Screw NutSteelZinc/Clear#4-404-40 machine screw nut pltd b18.2.2 b18.6.337,277
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THRDFASTFLMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-4018-8 ss mach screw nut b18.2.2 b18.6.32,022
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THRDFASTOKMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-4018-8 ss mach screw nut b18.2.2 b18.6.370
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THRDFASTALMachine Screw Nut316, 317, A4 StainlessPlain#4-40t-316 ss mach screw nut b18.2.2 b18.6.3472
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