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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.

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Buy Serrated Flange Lock Nuts from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
CNBILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated hex flange nut228
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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
    Contact_Supplier
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
    Contact_Supplier
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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ExpressCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 hex flange nut serrated zinc57600
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ExpressCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 hex flange nut serrated zinc57600
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ExpressCALock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 hex flange nut serrated 18-8 304 steel1800
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B & K FASTPALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 serrated flange nuts zinc b18.2.21018
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SIIINLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 zinc serrated flange nut) b18.2.21450
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QFCTXLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 hex flange nut serrated triv zinc b18.2.233600
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QFCTXLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 hex flange nut serrated triv zinc b18.2.212330
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QFCTXLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 hex serrated flange nut zinc b18.2.2705
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QFCTXLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 hex serrated flange nut zinc b18.2.25811
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QFCTXLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 hex serrated flange nut zinc b18.2.24833
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QFCTXLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 hex serrated flange nut zinc b18.2.21100
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METRO INDOHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain1/2-13serrated flange nut uss213
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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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ACCURATEILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serr. hex flange locknut and bake700
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HewesNYLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serr flange nut pl1373
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MESAFASTCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated flange nut9.0
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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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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
    Contact_Supplier
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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CenturyFLLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain1/2-131/2-13 serrated flange hex nut (STEEL ZINC CLEAR) (STEEL ZINC CLEAR) 1189
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CenturyFLLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain1/2-131/2-13 serr.hx.flange nuts (18-8 S/S) (18-8 S/S) 10
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CascadeORLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Nickel1/2-1312000
    Contact_Supplier
GLFOHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 serr hex flange nut stl zc b18.2.2 () ()287
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GLFOHLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Zinc/Yellow1/2-131/2-13 serr hex large flange nut gr 8 stl zy b18.2.2 () ()756619
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GLFOHLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 5Zinc/Clear1/2-131/2-13 serr hex large flange nut grade 5 stl zc b18.2.2 () ()3222
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GLFOHLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Plain1/2-131/2-13 serr hex large flange nut gr 8 stl pln b18.2.2 () ()4334
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GLFOHLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)1/2-131/2-13 serr hex large flange nut gr 8 stl magni 575 b18.2.2 () ()1346
    Contact_Supplier
GLFOHLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Zinc/Yellow1/2-131/2-13 serr hex flange nut gr 8 stl zy b18.2.2 () ()81
    Contact_Supplier
GLFOHLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 5Zinc/Clear1/2-131/2-13 serr hex flange nut grade 5 stl zc b18.2.2 () ()7488
    Contact_Supplier
SISAZLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 hex flange serrated lock nut steel zinc750
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NAPPCOTXLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated flange l/n steel zp 1/2-13 (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS)614
    Contact_Supplier
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
    Contact_Supplier
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
    Contact_Supplier
ManscoMILock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 top lock flange nut w/no serrations zinc786
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AmericanNYLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 serrated flange nut zinc pl1870
    Contact_Supplier
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
    Contact_Supplier
AztechILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain1/2-13lrg serr flange11,253
    Contact_Supplier
IRFNJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13hex flange nut serrated high corr triv clr9300
    Contact_Supplier
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.)Grade 5Zinc/Clear1/2-13serrated flange nut stl Cr3+ rohs3,185
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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
    Contact_Supplier
IRFNJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated flange nut stl Cr3+ rohs3,724
    Contact_Supplier
IRFNJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated flange nut case hardened stl w/ nickel clear2661
    Contact_Supplier
IRFNJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated flange nut case hardened stl w/ nickel clear2661
    Contact_Supplier
IRFNJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated flange nut stl Cr3+ rohs3724
    Contact_Supplier
IRFNJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 serrated flange nut stl hard and zinc 50cnwfsz1,125
    Contact_Supplier
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
    Contact_Supplier
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/pkg5317
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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
    Contact_Supplier
EndriesWILock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 serrated f lange locknut zinc case hardened4650
    Contact_Supplier
EndriesWILock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Zinc/Yellow1/2-131/2-13 hex serrated flange nut gr 8 zy100
    Contact_Supplier
EndriesWILock 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 steel serrated flange locknut20
    Contact_Supplier
Marine FastenersFLLock 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
    Contact_Supplier
NutsBoltsNELock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 ss whizlock nut3377
    Contact_Supplier
NutsBoltsNELock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 whizlock nut zp41971
    Contact_Supplier
Cal FastenrsCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13whiz flange nut Cr3+ serrated flange nut500
    Contact_Supplier
Cal FastenrsCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelCadmium/Yellow1/2-13whiz flange nut cadmium ii 50cnwfc1,800
    Contact_Supplier
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 b18.2.26599
    Contact_Supplier
Future FastenerTXLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 hex serrated flange nut ss105
    Contact_Supplier
Future FastenerTXLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 serrrated hex flange nut plt585
    Contact_Supplier
MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 2Zinc/Clear1/2-131/2-13 gr.2-serr zn flange nuts940
    Contact_Supplier
SJS ProdCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 serrated hex flange lock nut st z
    Contact_Supplier
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
    Contact_Supplier
MFSKSLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated flange locknut13
    Contact_Supplier
ManscoMILock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Zinc/Yellow1/2-13serr flange nut gr8764
    Contact_Supplier
BHAMALLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 hardened serrated flange nut zinc b18.2.2628
    Contact_Supplier
ManscoMILock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Phosphate1/2-13serr flange nut gr8 hard & blk phos & oil 500/box500
    Contact_Supplier
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
    Contact_Supplier
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
    Contact_Supplier
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 nuts a bb 200 fb 1000 qk 5000500
    Contact_Supplier
ASMCILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13coarse hex flange nut with serration case hardened low carb zp28
    Contact_Supplier
KBSTNLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 hex flange nut serrated plated b18.2.211,207
    Contact_Supplier
MAINSOURCNHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain1/2-13whiz flange nut stl z/clr254
    Contact_Supplier
MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 2Zinc/Clear1/2-131/2-13 gr.2-serr zn flange nuts140
    Contact_Supplier
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
    Contact_Supplier
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 5000427
    Contact_Supplier
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
    Contact_Supplier
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
    Contact_Supplier
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
    Contact_Supplier
LibertyILLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Zinc/Yellow1/2-13hex serrated flange nut100
    Contact_Supplier
LibertyILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated flange nut zinc2,700
    Contact_Supplier
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
    Contact_Supplier
HBBOLTCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13hex serratd flange nut case hrd377
    Contact_Supplier
IPCVALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 serrated flange nut case harden steel zinc3,981
    Contact_Supplier
IPCVALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Yellow1/2-131/2-13 serrated flange nut case harden steel zinc yellow676
    Contact_Supplier
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
    Contact_Supplier
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
    Contact_Supplier
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
    Contact_Supplier
XL ScrewGALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated flange nuts case hard zp800
    Contact_Supplier
CONTAERONJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated flange (hard) &225
    Contact_Supplier
CONTAERONJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelBlack Oxide1/2-13serrated flange (hard) & black ox1020
    Contact_Supplier
CONTAERONJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelCadmium1/2-13serrated flange (hard) & /yel96,000
    Contact_Supplier
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
    Contact_Supplier
APIIALock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 5Zinc/Clear1/2-13nut hex flg serrated lock 1/2-13 zncl jds1,909
    Contact_Supplier
RevcarVALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13hex serr flange nut167,441
    Contact_Supplier
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
    Contact_Supplier
Kanebridge ILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Black1/2-131/2-13 serr hex flange lock nut blk zinc & bake2.500
    Contact_Supplier
Fastener OHLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Phosphate1/2-13serrated hex flange nut 1/2-13 gr 8 phos/oil 750
    Contact_Supplier
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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IndexFastCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13sfh1213sz serrated flange hex nut steel/zincinquire
    Contact_Supplier
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
    Contact_Supplier
BuckeyeOHLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade FZinc/Clear1/2-131/2-13 nylon insert flange lock nut grade f zinc platedinquire
    Contact_Supplier
BuckeyeOHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 flange whiz lock nut - zinc platedinquire
    Contact_Supplier
LibertyILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated large flange nut500
    Contact_Supplier
CONTAERONJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-13serrated flange (hard) lock nut triv4785
    Contact_Supplier
MidStatesMILock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Plain1/2-13serr flg l/n gr 825
    Contact_Supplier
SWACOOHLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Zinc/Yellow1/2-131/2-13 serr hex flange l/n gr8 stl zy800
    Contact_Supplier
SWACOOHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 serr hex flange l/n stl zi451
    Contact_Supplier
SWACOOHLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 5Zinc/Clear1/2-131/2-13 serr hex flange l/n gr5 zi29558
    Contact_Supplier
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
    Contact_Supplier
BAYFASTCOFLLock Nut, Flange, w serr. (Whiz-Lock etc.)316, 317, A4 StainlessPlain1/2-131/2-13 flange nut with serrations24,954
    Contact_Supplier
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
    Contact_Supplier
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
    Contact_Supplier
NorthernMNLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelBlack Oxide1/2-131/2-13 #8 serr flange nut black rie4037a400
    Contact_Supplier
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
    Contact_Supplier
HodellOHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelBlack Oxide1/2-131/2-13 serrated flange nut blk137
    Contact_Supplier
HodellOHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelBlack Oxide1/2-131/2-13 serrated flange nut blk137
    Contact_Supplier
Valley NuWALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Black1/2-13nc serrated flange lock nut zb112
    Contact_Supplier
SWACOOHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 flange nut w/serr zinc534
    Contact_Supplier
JET FITTINGCALock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 5Plain1/2-131/2-13 serr hex flange l/n gr5 zi b18.2.230058
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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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NutsBoltsNELock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 serr flange nut zp500
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NutsBoltsNELock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Zinc/Yellow1/2-131/2-13 gr8 serrated flange nut zy500
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ScheinertNJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 hex serrated flange nut zinc clear499
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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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EmpireWALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/2-131/2-13 serr flange l/n zp480
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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.)Grade 8Zinc/Black1/2-131/2-13 serr hex flange nut gr 8 stl bzn b18.2.2 () ()16570
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Valley 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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