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Serrated Flange Lock Nuts

Serrated Flange Lock Nuts, or Whiz-Lock® nuts, have a wide flange at one end that is serrated on the under side. On tightening, the serrations bite into the mating surface providing the locking feature.

144 results, (click on any line for more information)

Buy Serrated Flange Lock Nuts from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
JacksonMSLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4nc whiz flange nut 18-8 304245
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JacksonMSLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM5-0.80whiz flange nut a2 18-8 30467
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JacksonMSLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/ClearM12-1.50M12x1.50 fine serrated whiz flange locknut din 692325
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JacksonMSLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain10-32 nf fine thread whiz flange nut stainless300
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JacksonMSLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plainm6 x 1.00 metric whiz flange nut a2 stainless steel7
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JacksonMSLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plainm10 x 1.50 metric whiz flange nut a2 stainless steel40
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JacksonMSLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plainm12 x 1.75 metric whiz flange nut a2 stainless steel28
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TownCountryARLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/8-16nylon insert hex flanged lock nut212000
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WeaverWALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear#10-2410-24 whiz nut zinc35
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WeaverWALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-281/4-28 whiz nut zinc3300
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WeaverWALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/16-245/16-24 whiz nut zinc1600
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WeaverWALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/8-243/8-24 whiz nut zinc800
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WeaverWALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear7/16-147/16-14 whiz nut zinc9
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WeaverWALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear7/16-207/16-20 whiz nut zinc57
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WeaverWALock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 whiz nut 18-8 ss370
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WeaverWALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-201/2-20 whiz nut zinc725
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WeaverWALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-185/8-18 whiz nut zinc400
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YANKEENHLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM3-0.50m3 (0.5) serrated flanged lock nuts a2 (18-8) stainless steel700
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YANKEENHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear#10-3210-32 serrated flange nut hardened zinc pltd277
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YANKEENHLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-3210-32 serrated-flange locknuts 18-8 stainless steel1705
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YANKEENHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-281/4-28 serrated flange nut zinc pltd305
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YANKEENHLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 serrated flange locknuts 18-8 stainless steel458
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YANKEENHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/16-245/16-24 serrated flange nut zinc pltd677
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YANKEENHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/8-163/8-16 serrated flange locknut steel zinc plated4108
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YANKEENHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/8-243/8-24 serrated flange nut zinc pltd561
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YANKEENHLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 serrated flange locknut 18-8 stainless steel24
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YANKEENHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-185/8-18 serrated flange locknut case hardened steel zinc plated49
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YANKEENHLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-328-32 serrated flange nut stain steel140
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YANKEENHLock Nut, Flange, w serr. (Whiz-Lock etc.)Class 8.8Zinc/ClearM10-1.50m10 (1.5) serrated flange nut class 8 zinc plated bg459
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YANKEENHLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM10-1.50m10 (1.50) serrated-flange locknut a2 (18-8) stainless steel72
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YANKEENHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlainM12-1.75-m12 x 1.75-hex flange nut-serrated-cl8 m889
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YANKEENHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/ClearM6-1.00m6(1) serrated flange nut zinc pltd180
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YANKEENHLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6-1.00m6 (1) serrated flange nut a2 (18-8) stainless steel1160
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YANKEENHLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8-1.25m8(1.25) serrated-flange locknut a2 (18-8) stainless steel1000
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YANKEENHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear7/16-14 serrated flange locknut steel-zinc plated-case hardened100
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Jay-CeeMILock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/8-163/8-16 serrated flange hex lock nuts case hardened hr15n 78/90 zinc and bake1000
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Jay-CeeMILock Nut, Flange, w serr. (Whiz-Lock etc.)Class 8.8Zinc/ClearM8-1.25M8-1.25 metric class 8 hex flange nut serrated zinc din 6923inquire
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AbabaCALock Nut, Flange, w serr. (Whiz-Lock etc.)Class 8.8Zinc/ClearM6-1.00m6-1.0 whiz flangenut class 8 stl znc1031
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AbabaCALock Nut, Flange, w serr. (Whiz-Lock etc.)Class 8.8Zinc/ClearM6-1.00m6-1.0 whiz flangenut class 8 stl znc500
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AbabaCALock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8-1.25m8-1.25 whiz flangenut s/s509
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AbabaCALock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8-1.25m8-1.25 whiz flangenut s/s300
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AbabaCALock Nut, Flange, w serr. (Whiz-Lock etc.)Class 8.8Zinc/ClearM8-1.25m8-1.25 whiz flangenut class 8 stl znc2864
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AbabaCALock Nut, Flange, w serr. (Whiz-Lock etc.)Class 8.8Zinc/ClearM8-1.25m8-1.25 whiz flangenut class 8 stl znc100
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AbabaCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1-81-8 whiz flangenut hrd stl znc b18.2.22
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AbabaCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear#10-2410-24 whiz flangenut hrd stl znc b18.2.21762
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AbabaCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear#10-2410-24 whiz flangenut hrd stl znc b18.2.2600
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AbabaCALock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-2410-24 whiz flangenut s/s b18.2.21633
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AbabaCALock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-2410-24 whiz flangenut s/s b18.2.2300
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AbabaCALock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#10-2410-24 whiz flangenut s/s passivate b18.2.212666
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AbabaCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear#10-3210-32 whiz flangenut hrd stl znc b18.2.2934
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AbabaCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear#10-3210-32 whiz flangenut hrd stl znc b18.2.21000
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AbabaCALock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-3210-32 whiz flangenut s/s b18.2.21300
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AbabaCALock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-3210-32 whiz flangenut s/s b18.2.2100
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AbabaCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-201/4-20 whiz flangenut hrd stl znc b18.2.210100
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AbabaCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-201/4-20 whiz flangenut hrd stl znc b18.2.21500
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AbabaCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-201/4-20 whiz flange nut znc large flange b18.2.21380
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AbabaCALock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-201/4-20 whiz flangenut s/s b18.2.21500
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Set ScrewILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/8-16serrated flange nutinquire
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Set ScrewILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/16-18serrated flange nutsinquire
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ACCURATEILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPhosphate3/4-10serr. hex flange locknut gr-g black phos10
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ACCURATEILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-20serr. hex flange locknut and bake3674
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ACCURATEILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear7/16-14serr. hex flange locknut and bake166
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ACCURATEILLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8-1.25serr. flange locknut a2 18-8 30449
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AmericanNYLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-3210-32 hex serrated flange nut 18-8 304 steel488
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AmericanNYLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/16-18flange nuts serrated pl2900
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AmericanNYLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18hex flange serrated 18-8 304 nut500
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AmericanNYLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32hex flange nut 18-8 304 serrated88
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AmericanNYLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/8-16flange nut serrated pl9450
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AmericanNYLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-20flange nut w/ serrations5000
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AmericanNYLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear#10-3210/32 hex flange nut serrated zinc pl200
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RCFastAZLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-28hex serrated flange nut stl2500
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JHP FastenersTXLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear#4-40nuts 4-40 serrated flange hex lock nuts case hardened hr15n 78/90 zinc and bake 10000/ctn3600
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SIIINLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-201/4 -20 zinc finish case hardened serrated flange nut)5835
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SIIINLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/16-185/16-18 serrated flange nut zinc)6681
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SIIINLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/8-163/8-16 serrated zinc flange nut)2454
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SIIINLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/16-185/16-18 zinc plated serrated flange lock nut)2390
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SIIINLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/16-245/16-24 zinc plated serrated flange lock nut)2540
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SIIINLock Nut, Flange, w serr. (Whiz-Lock etc.)316, 317, A4 StainlessPlain5/16-185/16-18 hex flange nuts serrated 316 stainless steel b18.2.2640
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FTSOHLock Nut, Flange, w serr. (Whiz-Lock etc.)Class 8.8Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)M10-1.50flange ln--no serr 8 geomet din 69232265
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FTSOHLock Nut, Flange, w serr. (Whiz-Lock etc.)Class 8.8Zinc/ClearM10-1.50flange ln--no serr 8 zn din 692340
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FTSOHLock Nut, Flange, w serr. (Whiz-Lock etc.)Class 8.8Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)M10-1.50serr flange l/n 8 geomet din 692342000
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FTSOHLock Nut, Flange, w serr. (Whiz-Lock etc.)Class 8.8Zinc/YellowM16-2.00flange ln--no serr 8 zy din 6923102
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FTSOHLock Nut, Flange, w serr. (Whiz-Lock etc.)Class 8.8Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)M16-2.00serr flange l/n 8 geomet din 69231245
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FTSOHLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Zinc/Clear3/8-16serr flange l/n gr 8 zn22000
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FTSOHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-20serr flange l/n stl zn1634
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TSFTXLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20serrated flange nut ss 1/4-205000
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TSFTXLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20serrated flange nut ss 1/4-205000
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TSFTXLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20serrated flange nut ss 1/4-203500
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JET FITTINGCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/16-18nut lock large flange serrated 5/1618 steel zinc b18.2.21000
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JET FITTINGCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/16-18nut lock flange serrated 5/16-18 steel zinc b18.2.2300
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JET FITTINGCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/816hex flange nut serrated 3/816 steel zinc plated b18.2.21540
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JET FITTINGCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear7/16-14nut lock flange serrated 7/16-14 steel zinc plated b18.2.2400
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JET FITTINGCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelBlack Oxide#8-32nut lok 8/32 flange serrated steel black oxide b18.2.22800
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JET FITTINGCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear#8-328-32 hex flange nut serrated steel zinc b18.2.24210
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JET FITTINGCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/4-103/4-10 hex flange lock nut serrated steel zinc b18.2.210
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JET FITTINGCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/ClearM8-1.25metric nut lock m8-1.25 steel zinc plated serrflg2685
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JET FITTINGCALock Nut, Flange, w serr. (Whiz-Lock etc.)Class 5.8PlainM4-0.7-0m4-0.7 hex flange locknuts serrated metric class 50 18-8 stainless steel din6923 quantity 30002985
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CNBILLock Nut, Flange, w serr. (Whiz-Lock etc.)Class 10.9PhosphateM20-2.50hex flange all metal top lock nut class 10 phos oil1
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CNBILLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade GPlain3/4-10top lock flange lock nut grade g160
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CNBILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/8-16serrated hex flange nut case harden1491
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CNBILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/8-16serrated hex large flange nut(.915 flange diameter) case hardened815
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CNBILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated hex flange nut228
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CNBILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-11serrated hex flang nut147
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AmericanNYLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-20flange nut w/ serrations3000
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AmericanNYLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain1/4-20hex flange nut with serrations4000
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AmericanNYLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/16-18flange nuts serrated pl5000
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