Flange Lock Nuts , Grade F

Non-Serrated Flange Lock Nuts, or simply Flange Lock Nuts, have a wide flange at one end. The flange distributes the tightening torque over a wider area, but the locking function is provided by some other feature such as top-lock, center-lock, nylon insert.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
MESAFASTCALock Nut, Flange, w/o serrationsGrade FZinc/Clear3/8-16grade f flange locknut596.0
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B & K FASTPALock Nut, Flange, w/o serrationsGrade FZinc/Yellow3/8-163/8-16 cone flange locknuts gr f zy244
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PENCOM CAOntLock Nut, Flange, w/o serrationsGrade FZinc/Clear3/4-163/4-16 hex flange top lock nut grade f z165
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SWACOOHLock Nut, Flange, w/o serrationsGrade FZinc/Clear1/4-201/4-20(unc) prev torque hex flange lk nut grf zinc w-poly ins400
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NutsBoltsNELock Nut, Flange, w/o serrationsGrade FZinc/Clear5/16-185/16-18 large flange toplock nut gr.f zp32402
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NutsBoltsNELock Nut, Flange, w/o serrationsGrade FZinc/Clear1/2-131/2-13 flange oval locknut gr.f zinc & wax50000
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NutsBoltsNELock Nut, Flange, w/o serrationsGrade FZinc/Clear3/8-163/8-16 flange oval locknut gr. f zinc & wax24368
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EndriesWILock Nut, Flange, w/o serrationsGrade FZinc/Clear1/2-131/2-13 grade f flange top locknut zinc leach back 600 hour to red17491
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General FMILock Nut, Flange, w/o serrationsGrade FZinc/Clear5/16-185/16-18 hex flange ln gr f zn clr triv b18.2.1109,150
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ASMCILLock Nut, Flange, w/o serrationsGrade FZinc/Clear3/8-16coarse grf stover all metal flange locknut med carb zp2,019
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FastWareSaskLock Nut, Flange, w/o serrationsGrade FPlain3/8-163/8-16 nc flange toplock nut1,475
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FastWareSaskLock Nut, Flange, w/o serrationsGrade FZinc/Yellow5/16-245/16-24 nf flange toplocknut717
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FastWareSaskLock Nut, Flange, w/o serrationsGrade FZinc/Yellow7/16-14nc flange center lock nut (max 0.495 thick)950
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NutsBoltsNELock Nut, Flange, w/o serrationsGrade FZinc/Clear1/2-131/2-13 flange oval locknut gr.f zinc & wax100775
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NutsBoltsNELock Nut, Flange, w/o serrationsGrade FZinc/Clear1/2-131/2-13 flange oval locknut gr.f zinc & wax50000
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NutsBoltsNELock Nut, Flange, w/o serrationsGrade FZinc/Clear3/8-163/8-16 flange oval locknut gr. f zinc & wax61600
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Irwin IndOntLock Nut, Flange, w/o serrationsGrade FZinc/Clear1/4-201/4-20 grd f super flange lock nut zinc596
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APIIALock Nut, Flange, w/o serrationsGrade FZinc/Clear7/16-14flange lock nut zncl and wax per print wax364
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APIIALock Nut, Flange, w/o serrationsGrade FZinc/Clear1/2-13nut flange lock 1/2-13 gr f zncl & wax print wax13,046
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ASFCORPMILock Nut, Flange, w/o serrationsGrade FPhosphate7/8-147/8-14 full hgt hex flange top lk nut gr f phos+oil5,540
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RAMCOOHLock Nut, Flange, w/o serrationsGrade FCadmium1/2-13fl 1/2-13 f cw14000
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RAMCOOHLock Nut, Flange, w/o serrationsGrade FZinc/Clear1/4-202fl 1/4-20 f cl zw24831
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RAMCOOHLock Nut, Flange, w/o serrationsGrade FZinc/Clear1/4-20fl 1/4-20 f lock zhf81 s20000
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RAMCOOHLock Nut, Flange, w/o serrationsGrade FZinc/Yellow1/4-20fl 1/4-20 f zyf128000
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RAMCOOHLock Nut, Flange, w/o serrationsGrade FAluminum zinc flake (Dacromet, Magnigard, Doerken)1/4-201/4-20 fs hex flange nut gr f mag2120946
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RAMCOOHLock Nut, Flange, w/o serrationsGrade FAluminum zinc flake (Dacromet, Magnigard, Doerken)1/4-201/4-20 grade f hex flange locknut geomet 321 +l322000
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RAMCOOHLock Nut, Flange, w/o serrationsGrade FZinc/Clear1/4-20fl 1/4-20 f-z plating1542
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RAMCOOHLock Nut, Flange, w/o serrationsGrade FCadmium/Yellow1/4-20fl 1/4-20 f cyw36000
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RAMCOOHLock Nut, Flange, w/o serrationsGrade FZinc/Clear1/4-203fl 1/4-20 f top lock z w147000
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RAMCOOHLock Nut, Flange, w/o serrationsGrade FCadmium3/8-161fl 3/8-16 f cw37800
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RAMCOOHLock Nut, Flange, w/o serrationsGrade FPlain3/8-161fl 3/8-16 f pa1542
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RAMCOOHLock Nut, Flange, w/o serrationsGrade FZinc/Yellow3/8-161fl 3/8-16 f zy w-packing21600
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RAMCOOHLock Nut, Flange, w/o serrationsGrade FAluminum zinc flake (Dacromet, Magnigard, Doerken)3/8-242fl 3/8-24 f dor1 sort1082
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RAMCOOHLock Nut, Flange, w/o serrationsGrade FPhosphate5/16-185/16-18 grade f hex flange locknut phos & oil57500
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RAMCOOHLock Nut, Flange, w/o serrationsGrade FAluminum zinc flake (Dacromet, Magnigard, Doerken)5/16-185/16-18 grade f hex flange locknut geomet 321 +l41800
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RAMCOOHLock Nut, Flange, w/o serrationsGrade FAluminum zinc flake (Dacromet, Magnigard, Doerken)5/16-18fl 5/16-18 f mag21-packed45982
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THRDFASTFLLock Nut, Flange, w/o serrationsGrade FZinc/Clear5/16-18gr f hex flange lock nut280
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KBSTNLock Nut, Flange, w/o serrationsGrade FZinc/Clear1/4-201/4-20 gr f flange locknut plated293,594
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THRDFASTALLock Nut, Flange, w/o serrationsGrade FZinc/Clear3/4-10gr f hex flange lock nut9
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LibertyILLock Nut, Flange, w/o serrationsGrade FPhosphate3/8-163/8-16 hex flange nut toplock phos & oil950
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ISSCOMOLock Nut, Flange, w/o serrationsGrade FZinc/Clear5/16-18flange hex two-way locknut grade f z/p16967
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ISSCOMOLock Nut, Flange, w/o serrationsGrade FZinc/Clear3/8-16hex flange two way locknut grade f zp6500
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ISSCOMOLock Nut, Flange, w/o serrationsGrade FZinc/Clear5/16-18hex stover locknut flange grade f z/p15695
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NorthernMNLock Nut, Flange, w/o serrationsGrade FZinc/Clear1/4-20s/o 1/4-20 nc gr.f flange locknut zinc2850
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NorthernMNLock Nut, Flange, w/o serrationsGrade FZinc/Yellow3/8-16s/o 3/8-16 nc gr.f flange locknut zinc/yellow940
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ASMCILLock Nut, Flange, w/o serrationsGrade FZinc/Clear7/16-20fine grf stover all metal flange locknut low carb zp6
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ASMCILLock Nut, Flange, w/o serrationsGrade FZinc/Clear3/8-16coarse grf stover all metal flange locknut low carb zp2,644
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Wurth IndD.F.Lock Nut, Flange, w/o serrationsGrade FZinc/Clear3/8-163/8-16 large flange center locknut grade f zinc plated518
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CONTAERONJLock Nut, Flange, w/o serrationsGrade FZinc/Clear3/8-16flange toplock gr. f125
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CONTAERONJLock Nut, Flange, w/o serrationsGrade FPlain3/8-24super flange toplock gr.f975
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CONTAERONJLock Nut, Flange, w/o serrationsGrade FCadmium7/16-14flange toplock gr. f /wax26
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CONTAERONJLock Nut, Flange, w/o serrationsGrade FPlain1/2-131/2-13 flange toplock gr. f9900
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CONTAERONJLock Nut, Flange, w/o serrationsGrade FPlain#10-2410-24 flange toplock gr. f30199
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CONTAERONJLock Nut, Flange, w/o serrationsGrade FPlain#10-3210-32 flange toplock gr. f167600
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KomarILLock Nut, Flange, w/o serrationsGrade FZinc/Clear1/2-13hex flange center lock nut gr. f1,924
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AztechILLock Nut, Flange, w/o serrationsGrade FZinc/Yellow5/8-18reg flg center lock /w3,970
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AztechILLock Nut, Flange, w/o serrationsGrade FPlain5/8-18reg flg center lock484
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AztechILLock Nut, Flange, w/o serrationsGrade FZinc/Yellow5/8-18reg flg center lock /w4,620
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AztechILLock Nut, Flange, w/o serrationsGrade FZinc/Yellow5/8-18reg flange tech+ lock nut .0003/w766
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AztechILLock Nut, Flange, w/o serrationsGrade FPlain5/8-18reg flange tech+ lock nut1,600
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AztechILLock Nut, Flange, w/o serrationsGrade FPhosphate5/8-18reg flange tech lock nut 96 hr phos/oil2,000
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WurthINLock Nut, Flange, w/o serrationsGrade FZinc/Clear5/16-185/16-18 lg flange toplock nut grd f zinc pack 1250 per poly bag12,349
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Alma BoltMILock Nut, Flange, w/o serrationsGrade FPlain7/16-20SAE flanged hex nut (no lock)392
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Alma BoltMILock Nut, Flange, w/o serrationsGrade FPlain1/4-281/4-28 sae grade f plain finish flanged hex nut (no lock)4400
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SBSMALock Nut, Flange, w/o serrationsGrade FPlain5/16-18nylon ins flange locknut gr f
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