1/2-13 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.

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

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
SIIINLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 zinc serrated flange nut) b18.2.21068
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AmericanNYLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 serrated flange nut zinc pl50
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IRFNJLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 5Zinc/Clear1/2-13serrated flange nut stl Cr3+ rohs7,415
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IRFNJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated flange nut stl Cr3+ rohs3,724
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IRFNJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 serrated flange nut stl hard and zinc 50cnwfsz1,125
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SJS ProdCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 serrated hex flange lock nut st z
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B & K FASTPALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 serrated flange nuts zinc b18.2.2618
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METRO INDOHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain1/2-13serrated flange nut uss213
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ACFCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 serrated flange whiz locknut z/p rohs fwn-50c-0-z3100
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MESAFASTCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated flange nut220.0
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BrikksenFLLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 serr hex flange nut 18-8 ss 50 per small bag 5 small bags per master pack-generic brand b18.2.23300
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Kanebridge ILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelBlack Oxide1/2-131/2-13 serrated flange hex lock nuts case hardened hr15n 78/90 black oxide6.250
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Kanebridge ILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 serrated flange hex lock nuts case hardened hr15n 78/90 zinc and bake6.250
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Kanebridge ILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 serrated large flange hex lock nuts case hardened hr15n 78/90 zinc and bake6.250
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Kanebridge ILLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 5Zinc/Clear1/2-131/2-13 serrated flange hex lock nuts grade 5 zinc6.250
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Kanebridge ILLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Zinc/Yellow1/2-131/2-13 serrated flange hex lock nuts grade 8 zinc yellow6.250
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Kanebridge ILLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 5Zinc/Yellow1/2-131/2-13 serrated flange hex lock nuts grade 5 zinc yellow6.250
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Kanebridge ILLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 serrated flange hex lock nuts 18-8 stainless steel6.250
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Kanebridge ILLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Plain1/2-131/2-13 serrated flange hex lock nuts grade 8 black phosphate6.250
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Kanebridge ILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Black1/2-131/2-13 serr hex flange lock nut blk zinc & bake2.500
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Kanebridge ILLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Zinc/Yellow1/2-131/2-13 serrated lrg flange hx lock nut gr8 zinc yellow6.250
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Kanebridge ILLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 5Zinc/Clear1/2-131/2-13 serrated lrg flange hx lock nut gr5 zinc6.250
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TSFTXLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13flange nut serrated stl zn 1/2-132282
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NAPPCOTXLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated flange l/n steel zp 1/2-13614
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SWACOOHLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 flange nut w/serr 18-8500
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SWACOOHLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 flange nut w/serr 18-8 hd wax3140
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SWACOOHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 flange nut w/serr zinc560
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IndexFastCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13sfh1213sz serrated flange hex nut steel/zincinquire
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SWACOOHLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Zinc/Yellow1/2-131/2-13 serr hex flange l/n gr8 stl zy800
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SWACOOHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 serr hex flange l/n stl zi751
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SWACOOHLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 5Zinc/Clear1/2-131/2-13 serr hex flange l/n gr5 zi40419
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SWACOOHLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 serr hex flange l/n 18-8500
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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/Clear1/2-13serrated flange nut81
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BHAMALLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Plain1/2-131/2-13 gr8 reg/flg nut no/serr. pln b18.2.21
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Cal FastenrsCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13whiz flange nut Cr3+ serrated flange nut300
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ASFCORPMILock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 full hgt serr hx flg lk nut stl case hard tri zn fe/zn 5an pkg900
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GLFOHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain1/2-13serr hex large flange nut219550
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GLFOHLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Plain1/2-13serr hex large flange nut gr 81180
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GLFOHLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Zinc/Yellow1/2-131/2-13 serr hex flange nut gr 8 stl zy b18.2.2142
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 18-8 s.s serrated flange nut500
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 steel zn serreted flange lock nuts a bb 200 fb 1000 qk 5000927
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NutsBoltsNELock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 ss whizlock nut5417
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NutsBoltsNELock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 whizlock nut zp13470
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ACCURATEILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serr. hex flange locknut and bake528
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Alpine SuUTLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Zinc/Yellow1/2-131/2-13 gr8 serr flange nut zy48
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Alpine SuUTLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 flange nut serrated zp26
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ManscoMILock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 large serr flange nut case hard triv znc 50/box19,210
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ManscoMILock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 top lock flange nut w/no serrations zinc663
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ManscoMILock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Zinc/Yellow1/2-13serr flange nut gr8764
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ManscoMILock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Phosphate1/2-13serr flange nut gr8 hard & blk phos & oil 500/box567
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Fastener OHLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Phosphate1/2-13serrated hex flange nut 1/2-13 gr 8 phos/oil750
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ManscoMILock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serr flange nut case hard znc 50/box358
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SonfastPALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13serr hxflange nut rc40 case steel zn #31wlf1213 3/4x7/16x1-1/1612,000
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HodellOHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelBlack Oxide1/2-131/2-13 serrated flange nut blk137
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ASMCILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13coarse hex flange nut with serration case hardened low carb zp528
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ASMCILLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13coarse hex flange nut with serration ss18-8 b18.2.2550
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ULTRACALock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated1/2-131/2-13 SERRATED FLANGE NUT 18-8 ST ST1,300
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IRFNJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13hex flange nut serrated high corr triv clr9300
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IRFNJLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 5Zinc/Clear1/2-13serrated flange nut stl Cr3+ rohs5185
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IRFNJLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 5Zinc/Clear1/2-13serrated flange nut stl Cr3+ rohs5185
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IRFNJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated flange nut stl Cr3+ rohs3724
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IRFNJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated flange nut stl Cr3+ rohs3724
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IRFNJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated flange nut case hardened stl w/ nickel clear2661
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IRFNJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated flange nut case hardened stl w/ nickel clear2661
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IRFNJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated flange nut stl Cr3+ rohs3724
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RCFastAZLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Phosphate1/2-13hex serrated flange nut gr8 stl black phos0
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RCFastAZLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13hex flange nut serrated stl cr+30
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LibertyILLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13serrated flange nut 18-8 s/s12
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LibertyILLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Zinc/Yellow1/2-13hex serrated flange nut100
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LibertyILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated flange nut zinc4,700
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LibertyILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated large flange nut2,000
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StandardMALock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 flange serrated nut 18-8 stainless steel b18.2.2inquire
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CenturyFLLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain1/2-131/2-13 serrated flange hex nut1189
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CenturyFLLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain1/2-131/2-13 serrated hex flange nut600
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CenturyFLLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain1/2-131/2-13 serr.hx.flange nuts261
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BoltCraftNELock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13 x 8001/2-13 serrated flange hex lock nut zinc 800/ctn-100/pkg6,406
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BoltCraftNELock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 serrated flange hex lock nut zinc carton of 800inquire
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ManscoMILock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Zinc/Clear1/2-13hex flange nut w/serrations gr8 100/box47
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VertexDILLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 serrated flangenut 18-8 stainless8335
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EndriesWILock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Yellow1/2-131/2-13 serrated flange locknut yellow zinc case hardened8994
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EmpireWALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 serr flange l/n zp818
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AbabaCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 whiz flangenut hrd stl znc b18.2.21370
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AbabaCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 whiz flangenut hrd stl znc b18.2.250
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AbabaCALock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 whiz flangenut s/s b18.2.260
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AbabaCALock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 whiz flangenut s/s b18.2.240
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CNBILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated hex flange nut228
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APIIALock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 5Zinc/Clear1/2-13nut hex flg serrated lock 1/2-13 zncl jds1,909
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CascadeORLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Nickel1/2-1312000
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 steel zn serreted flange lock nuts a bb 200 fb 1000 qk 5000927
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 steel zn serreted flange lock nuts a bb 200 fb 1000 qk 5000927
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ASFCORPMILock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 full hgt serr hex flange lk nut stl case hard tri zn fe/zn 5an332
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BuckeyeOHLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade FZinc/Clear1/2-131/2-13 nylon insert flange lock nut grade f zinc platedinquire
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BuckeyeOHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 flange whiz lock nut - zinc platedinquire
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BAYFASTCOFLLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13flange nut serrated 18-8 3042350
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HBBOLTCALock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13serrated hex flange nut 18-8 ss252
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HBBOLTCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13hex serratd flange nut case hrd377
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MidStatesMILock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Plain1/2-13serr flg l/n gr 825
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SISAZLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13hex flange serrated lock nut750
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KBSTNLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 hex flange nut serrated plated b18.2.211,207
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 2Zinc/Clear1/2-131/2-13 gr.2-serr zn flange nuts940
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NorthernMNLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Yellow1/2-13s/o 1/2-13 nc serr flange nut zinc/yellow (1500 pcs min)970
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NorthernMNLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelBlack Oxide1/2-131/2-13 #8 serr flange nut black rie4037a400
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HewesNYLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serr flange nut pl1373
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MFSKSLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated flange locknut13
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AFIFLLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 hex serr flange nut st zn rohs390
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AFIFLLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 5Zinc/Clear1/2-131/2-13 serr flange nut g5 st zn1000
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XL ScrewGALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated flange nuts case hard zp800
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RevcarVALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13hex serr flange nut167,441
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RevcarVALock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 5Zinc/Clear1/2-13flange nylon insert l/n 96 hour salt spray Cr3+ to white rust w/super seal82,209
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 2Zinc/Clear1/2-131/2-13 gr.2-serr zn flange nuts140
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CONTAERONJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated flange (hard) &225
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CONTAERONJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelBlack Oxide1/2-13serrated flange (hard) & black ox1020
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CONTAERONJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelCadmium1/2-13serrated flange (hard) & /yel96,000
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CONTAERONJLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Nickel1/2-13serrated flange s/s,waxed1,241
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CONTAERONJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated flange (hard) lock nut triv4785
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AztechILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain1/2-13reg serr flange24,100
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AztechILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain1/2-13reg serr flange550
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AztechILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain1/2-13reg serr flange280
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AztechILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain1/2-13lrg serr flange11,253
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WurthINLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 serrated hex flange nut 18-8 s/s package 300 per poly bag4,930
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Valley NuWALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Black1/2-13nc serrated flange lock nut zb112
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Vall ey NuWALock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13nc 18-8 ss serrated flange locknut4
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TimberlineCOLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13serr flng lk-nut ss 1/2-13299
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TimberlineCOLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serr flng nut zn 1/2-1311
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TimberlineCOLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serr flng nut zn 1/2-1364396
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SBSMALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated hex flange lknut
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