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Machine Screw Nut (ANSI 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.

90 Machine Screw Nut (ansi b18.2.2), showing 200, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
Irwin IndOntMachine Screw NutNylon (Polyamide)Plain#2-562-56 hex m/s nut nylon micro # 0400256hn b18.2.2 b18.6.3800
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Irwin IndOntMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-562-56 unc hex machine screw nuts stainless stl b18.2.2 b18.6.3 7892
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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 NutSteelZinc/Clear#3-483-48 hex machine screw nut trivalent zinc clear b18.2.2 b18.6.3 14000
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GLFOHMachine Screw Nut316, 317, A4 StainlessPlain#8-32#8-32 hex m/s nut 316 s/s b18.2.2 b18.6.3 () () ()304
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AbabaCAMachine Screw NutSteelZinc/Clear#8#8 (sms sz) type-u nut (100/box) b18.2.2 b18.6.34
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AbabaCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#0-800-80 m/s nut s/s b18.2.2 b18.6.3785
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AbabaCAMachine Screw NutSilicon BronzePlain#10-2410-24 m/s nut sili brz b18.2.2 b18.6.31000
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AbabaCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-2410-24 m/s nut s/s b18.2.2 b18.6.35537
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AbabaCAMachine Screw NutSteelZinc/Clear#10-2410-24 m/s nut stl znc b18.2.2 b18.6.37773
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AbabaCAMachine Screw Nut316, 317, A4 StainlessPlain#10-3210-32 m/s nut 316 s/s b18.2.2 b18.6.3100
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AbabaCAMachine Screw NutBrassPlain#10-3210-32 m/s nut brass b18.2.2 b18.6.32700
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AbabaCAMachine Screw NutNylon (Polyamide)Plain#10-3210-32 m/s nut nylon b18.2.2 b18.6.33065
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AbabaCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-3210-32 m/s nut s/s b18.2.2 b18.6.33236
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AbabaCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#10-3210-32 m/s nut s/s blk ox wax b18.2.2 b18.6.320
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AbabaCAMachine Screw NutSteelZinc/Clear#10-3210-32 m/s nut stl znc b18.2.2 b18.6.317257
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AbabaCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-2412-24 m/s nut s/s b18.2.2 b18.6.3300
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AbabaCAMachine Screw NutSteelZinc/Clear#12-2412-24 m/s nut stl znc b18.2.2 b18.6.31100
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AbabaCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#1-721-72 m/s nut s/s b18.2.2 b18.6.3362
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AbabaCAMachine Screw NutSteelZinc/Clear1/4-201/4-20 m/s nut stl znc b18.2.2 b18.6.39670
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AbabaCAMachine Screw NutSteelZinc/Clear1/4-281/4-28 m/s nut stl znc b18.2.2 b18.6.3100
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AbabaCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-562-56 m/s nut s/s b18.2.2 b18.6.31283
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AbabaCAMachine Screw NutSteelZinc/Clear#2-562-56 m/s nut stl znc b18.2.2 b18.6.38200
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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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AbabaCAMachine Screw NutSteelZinc/Clear3/8-163/8-16 m/s nut stl znc b18.2.2 b18.6.31211
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ASMCILMachine Screw NutBrassPlain1/4-20coarse hex machine screw nut brs b18.2.2 b18.6.3138
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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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AbabaCAMachine Screw NutSteelZinc/Clear#8#8 (sms sz) type-u nut (100/box) b18.2.2 b18.6.36
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AbabaCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#0-800-80 m/s nut s/s b18.2.2 b18.6.3300
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AbabaCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-2410-24 m/s nut s/s b18.2.2 b18.6.3700
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AbabaCAMachine Screw NutSteelZinc/Clear#10-2410-24 m/s nut stl znc b18.2.2 b18.6.3700
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AbabaCAMachine Screw NutNylon (Polyamide)Plain#10-3210-32 m/s nut nylon b18.2.2 b18.6.31100
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AbabaCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-3210-32 m/s nut s/s b18.2.2 b18.6.31300
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AbabaCAMachine Screw NutSteelZinc/Clear#10-3210-32 m/s nut stl znc b18.2.2 b18.6.31150
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AbabaCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#12-2412-24 m/s nut s/s b18.2.2 b18.6.3100
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AbabaCAMachine Screw NutSteelZinc/Clear#12-2412-24 m/s nut stl znc b18.2.2 b18.6.3600
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AbabaCAMachine Screw NutSteelZinc/Clear1/4-201/4-20 m/s nut stl znc b18.2.2 b18.6.3400
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AbabaCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-562-56 m/s nut s/s b18.2.2 b18.6.3500
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AbabaCAMachine Screw NutSteelZinc/Clear#2-562-56 m/s nut stl znc b18.2.2 b18.6.31100
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AbabaCAMachine Screw NutSteelZinc/Clear#3-483-48 m/s nut stl znc b18.2.2 b18.6.31081
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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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AbabaCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5-405-40 m/s nut s/s b18.2.2 b18.6.3400
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AbabaCAMachine Screw NutSteelZinc/Clear#5-405-40 m/s nut stl znc b18.2.2 b18.6.3100
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AbabaCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-326-32 m/s nut s/s b18.2.2 b18.6.31000
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AbabaCAMachine Screw NutSteelZinc/Clear#6-326-32 m/s nut stl znc b18.2.2 b18.6.31041
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AbabaCAMachine Screw NutNylon (Polyamide)Plain#8-328-32 m/s nut nylon b18.2.2 b18.6.3300
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Alma BoltMIMachine Screw NutSteelPlain#12-24#12-24 machine screw hex nut b18.2.2 b18.6.31000
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SIIINMachine Screw NutSteelZinc/Clear#2-562-56 low carbon zinc plated machine screw nut b18.2.2 b18.6.31148
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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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SIIINMachine Screw NutSteelZinc/Clear#10-3210-32 zinc machine screw nut) b18.2.2 b18.6.313368
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SIIINMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32#8-32 18-8 stainless steel machine screw hex nut) b18.2.2 b18.6.31786
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SIIINMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-81-8 18-8 stainless steel machine screw hex nut b18.2.2 b18.6.330
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SIIINMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/8-71-1/8-7 18-8 stainless steel machine screw hex nut b18.2.2 b18.6.396
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SIIINMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24#10-24 18-8 s/s steel machine screw hex nut b18.2.2 b18.6.3200
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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 NutSteelZinc/Clear#10-2410-24 machine screw nut trivalent zinc b18.2.2 b18.6.315372
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QFCTXMachine Screw NutSteelZinc/Clear#10-2410-24 machine screw nut trivalent zinc b18.2.2 b18.6.36800
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QFCTXMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-2410-24 hex machine screw nut 18-8 s/s b18.2.2 b18.6.3375
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QFCTXMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24#10-24 hex machine screw nut 18-8 s/s steel domestic-phys & chem certs required b18.2.2 b18.6.3450
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QFCTXMachine Screw NutSteelZinc/Clear#10-3210-32 machine screw nut tri-zinc b18.2.2 b18.6.39096
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QFCTXMachine Screw NutSteelZinc/Clear#10-3210-32 machine screw nut tri-zinc b18.2.2 b18.6.31000
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QFCTXMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-3210-32 machine screw nut 18-8 s/s b18.2.2 b18.6.37379
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QFCTXMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-3210-32 machine screw nut 18-8 s/s b18.2.2 b18.6.325520
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QFCTXMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-3210-32 machine screw nut 18-8 s/s b18.2.2 b18.6.3150
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QFCTXMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-3210-32 machine screw nut 18-8 ss b18.2.2 b18.6.372900
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QFCTXMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-3210-32 machine screw nut 18-8 ss b18.2.2 b18.6.318217
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QFCTXMachine Screw NutBrassPlain#12-2412-24 machine screw nut brass b18.2.2 b18.6.3500
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QFCTXMachine Screw NutSteelZinc/Clear#2-562-56 machine screw nut trivalent clear b18.2.2 b18.6.315000
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QFCTXMachine Screw NutSteelZinc/Yellow#2-562-56 machine screw nut zinc/yellow b18.2.2 b18.6.3480
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QFCTXMachine Screw NutBrassTin Plated3/8-163/8-16 machine screw nut brass tin plate b18.2.2 b18.6.398
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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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B & K FASTPAMachine Screw NutSteelZinc/Clear6/406/40 machine screw nuts zinc b18.2.2 b18.6.3600
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B & K FASTPAMachine Screw NutAluminumPlain#8-328/32 machine screw nuts aluminum b18.2.2 b18.6.34235
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B & K FASTPAMachine Screw NutAluminumPlain#10-2410/24 machine screw nuts aluminum b18.2.2 b18.6.33360
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B & K FASTPAMachine Screw NutBrassPlain#5-405/40 machine screw nuts brass b18.2.2 b18.6.3900
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B & K FASTPAMachine Screw NutBrassPlain#6-326/32 machine screw nuts brass b18.2.2 b18.6.32450
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B & K FASTPAMachine Screw NutBrassPlain#8-328/32 machine screw nuts brass b18.2.2 b18.6.3901
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B & K FASTPAMachine Screw NutBrassPlain#10-2410/24 machine screw nuts brass b18.2.2 b18.6.35606
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B & K FASTPAMachine Screw NutBrassPlain#12-2412/24 machine screw nuts brass b18.2.2 b18.6.31373
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B & K FASTPAMachine Screw NutBrassPlain1/4-201/4-20 machine screw nuts brass b18.2.2 b18.6.3426
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B & K FASTPAMachine Screw NutSteelZinc/Clear#5-405/40 machine screw nuts zinc b18.2.2 b18.6.382
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B & K FASTPAMachine Screw NutSteelZinc/Clear#6-326/32 machine screw nuts zinc b18.2.2 b18.6.31060
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B & K FASTPAMachine Screw NutSteelZinc/Clear#8-328/32 machine screw nuts zinc b18.2.2 b18.6.338518
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B & K FASTPAMachine Screw NutSteelZinc/Clear#10-2410/24 machine screw nuts zinc b18.2.2 b18.6.32695
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B & K FASTPAMachine Screw NutSteelZinc/Clear#10-3210/32 machine screw nuts zinc b18.2.2 b18.6.3476673
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B & K FASTPAMachine Screw NutSteelZinc/Clear#12-2412/24 machine screw nuts zinc b18.2.2 b18.6.359
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B & K FASTPAMachine Screw NutSteelZinc/Clear12/2812/28 machine screws nuts zinc b18.2.2 b18.6.3211
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B & K FASTPAMachine Screw NutSteelZinc/Yellow1/4-201/4-20 machine screw nut zy b18.2.2 b18.6.31147984
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B & K FASTPAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-328/32 machine screw nuts 18-8 stainless b18.2.2 b18.6.31468
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B & K FASTPAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-2410/24 machine screw nuts 18-8 stainless b18.2.2 b18.6.31040
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B & K FASTPAMachine Screw Nut316, 317, A4 StainlessPlain#10-2410/24 machine screw nuts 316 stainless b18.2.2 b18.6.376
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JET FITTINGCAMachine Screw NutSteelBlack Oxide#10-2410-24 hex nut machine screw steel black oxide b18.2.2 b18.6.392
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JET FITTINGCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-2410-24 hex machine screw nut stainless steel 18-8 b18.2.2 b18.6.31184
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JET FITTINGCAMachine Screw NutSteelZinc/Yellow#10-2410-24 hex machine screw nut steel zinc plated yellow per astm b633-98 b18.2.2 b18.6.31500
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JET FITTINGCAMachine Screw NutSteelZinc/Clear#10-24nut machine screw hex 10-24 steel zinc plated b18.2.2 b18.6.33820
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JET FITTINGCAMachine Screw NutNylon (Polyamide)Zinc/Clearnut hex 1032 nyl ms rohs compliant b18.2.2 b18.6.345
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JET FITTINGCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-3210-32 hex machine screw nut stainless steel 18-8 b18.2.2 b18.6.3125
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JET FITTINGCAMachine Screw NutSteelZinc/Clear#10-32nut machine screw hex 10-32 steel zinc plated b18.2.2 b18.6.31400
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JET FITTINGCAMachine Screw NutBrassPlain#10-3210-32 small pattern machine screw hex nut brass b18.2.2 b18.6.3800
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JET FITTINGCAMachine Screw NutSteelZinc/Clear#1-721-72 hex machine screw nut steel zinc b18.2.2 b18.6.3180
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JET FITTINGCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-562-56 hex machine screw nut stainless steel 18-8 b18.2.2 b18.6.35660
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JET FITTINGCAMachine Screw NutSteelZinc/Yellow#2-562-56 machine screw nut steel zinc yellow b18.2.2 b18.6.33830
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JET FITTINGCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-562-56 small patter hex machine screw nut stainless steel 18-8 b18.2.2 b18.6.35500
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JET FITTINGCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-562-56 extra small pattern hex machine screw nut xsp stainless steel 303 per nas671 except for af .121-.125 thk .057-.075 b18.2.2 b18.6.3420
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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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JET FITTINGCAMachine Screw NutNylon (Polyamide)Plain#6-32nut hex 632 nylon machine screw b18.2.2 b18.6.32000
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JET FITTINGCAMachine Screw NutSteelBlack Oxide#6-32nut hex 632 black oxide and wax machine screw b18.2.2 b18.6.39750
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JET FITTINGCAMachine Screw NutSteelZinc/Clear#6-32nut hex 632 steel zinc plated machine screw b18.2.2 b18.6.3185
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JET FITTINGCAMachine Screw NutSteelZinc/Clear#6-326-32 hex machine screw nut steel zinc plated b18.2.2 b18.6.31630
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JET FITTINGCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-326-32 small pattern hex machine screw nut stainless steel 18-8 b18.2.2 b18.6.32390
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JET FITTINGCAMachine Screw NutSteelZinc/Clear#6-32nut machine screw small pattern hex 6-32 steel zinc plated b18.2.2 b18.6.36000
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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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WurthOntMachine Screw NutGrade 2Zinc/Clear#6-32nut hx ms gr2 (zn) 6-32 b18.2.2 b18.6.31000
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WurthOntMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32nut hx ms sst (18-8) (pl) 10-32 b18.2.2 b18.6.32145
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JET FITTINGCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain00-9000-90 hex nut machine screw stainless steel 18-8 b18.2.2 b18.6.31600
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JET FITTINGCAMachine Screw NutSteelTin Plated#10-3210-32 hex nut machine screw brass tin plated per astm b545 .0001 b18.2.2 b18.6.32590
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JET FITTINGCAMachine Screw NutSteelZinc/Yellow#10-32nut machine screw hex 10-32 steel cadmium ii plated yellow b18.2.2 b18.6.333775
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JET FITTINGCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#10-32nut hex 1032 machine screw stainless steel black oxide and wax b18.2.2 b18.6.35
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JET FITTINGCAMachine Screw Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28nut hex 1/4-28 machine screw stainless steel 18-8 b18.2.2 b18.6.31680
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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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JET FITTINGCAMachine Screw NutBrassZinc/Clear#2-56nut hex 256 br ms rohs compliant ansi/asme b18.6.3 b18.2.2 b18.6.31700
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JET FITTINGCAMachine Screw NutBrassPlain#8-32nut hex 832 br machine screw sp b18.2.2 b18.6.31000
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JET FITTINGCAMachine Screw NutSteelPlain#5-40 x 5/16 x 7/64#5-40x5/16 x7/64 nuts machine screw nuts hex machine screw nut plain (inch) b18.2.2 b18.6.37000
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