Serrated Flange Screws, Serrated Flange Bolts and commonly known by their trade name as Whiz-Lock Bolts, are unslotted hex head flange screws that have serrations under the flange, or on the bearing surface. The flange provides more strength than a regular hex screw, and in some applications, the serrations eliminate the need for lock washers or lock nuts.

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SupplierLocTypeMaterialFinishSizeDescriptionQty
IRFNJFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3/8hex fl/b w/uc & serrations 18-8 s/s840
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3/85/16-18x3/8 serrated hex flanged washer full thread screw 18-8 stainless steel25,000
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 3/85/16-18x3/8 serrated hex flanged washer full thread screw case hard zinc & bake50,000
HayesCAFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 1/2whiz fl/b581
MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1/2serrated hex fl/binquire
MESAFASTCAFlange Screw w serr. (Whiz-Lock eq.)SteelBlack Oxide5/16-18 x 1/2indented hwh serrated fl/b1,000.0
HBBOLTCAFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 1/2hex serraded grd.5 fl/b z/p190
Bolts PlusOntFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 1/2serrated fl/b2367
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1/2scr hex flange serrated grade 5 (zn) 5/16-18x1/29,925
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1/2scr hex flange unserrated grade 5 (zt) 5/16-18x1/21,400
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Yellow5/16-18 x 1/2scr hex flange unserrated grade 5 (zy) 5/16-18x1/21,555
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Yellow5/16-18 x 1/2scr hex flange unserrated grade 8 (zy) 5/16-18x1/2550
ISSCOMOFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-24 x 1/2hex flanged serrated2800
SISAZFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1/2indented hex serrated fl/b 18-8 3041330
OBRIENOHFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 1/2serr fl/b366
MTPCAFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-24 x 1/25/16-24 x 1/2 ifi.111-gr.5 zn hex flange bolts serrated6,700
CNBILFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1/2hex fl/b serrated z/p20594
ASMCILFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1/2(ft) coarse gr5 hex fl/b with serration med carb zp1,200
NutsBoltsNEFlange Screw w serr. (Whiz-Lock eq.)SteelPlain5/16-18 x 1/25/16-18 x 1/2 whizbolt z51,161
WurthINFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1/25/16-18 x 1/2 hex flange screw gr5 zinc serrated pack 500 per poly bag11,600
KBSTNFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 1/25/16-18 x 1/2 hex flange bolt serrated plated1,282
MTPCAFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Clear5/16-18 x 1/2serrated flange bolts f/th1,200
MTPCAFlange Screw w serr. (Whiz-Lock eq.)Grade 8Black Oxide5/16-18 x 1/2serrated flange bolts f/th with patchstock
MTPCAFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1/2serrated flange bolts f/th5,433
MTPCAFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-24 x 1/2serrated flange bolts f/th1,200
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1/25/16-18x1/2 serrated hex flanged washer full thread screw 18-8 stainless steel12.500
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 1/25/16-18x1/2 serrated hex flanged washer full thread screw case hard zinc & bake37.500
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-24 x 1/25/16-24x1/2 serrated hex flanged washer full thread screw case hard zinc & bake50,000
ACCURATEILFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 5/8serrated hwh flange scr 18-8 s/s13
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 5/8scr hex flange serrated grade 5 (zn) 5/16-18x5/83,135
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 5/8scr hex flange unserrated grade 5 (zt) 5/16-18x5/8500
NAPPCOTXFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 5/85/16-18 x 5/8 serrated flange screw zp5238
AFPILFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Yellow5/16-18 x 5/8serrated fl/b gr.5690
TrifastTXFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated5/16 x 5/85/16 uncx5/8 hex flange430 series st/stm/c passivated9315
ManscoMIFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Black5/16-18 x 5/8hex serr fl/b gr5 triv blk znc1,600
ManscoMIFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 5/8hex serr fl/b gr5 triv znc800
KBSTNFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 5/85/16-18 x 5/8 hex flange bolt serrated plated1,300
MTPCAFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 5/8serrated flange bolts f/th740
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelBlack Oxide5/16-18 x 5/85/16-18x5/8 serrated hex flanged washer full thread screw black oxide37.500
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 5/85/16-18x5/8 serrated hex flanged washer full thread screw 18-8 stainless steel12.500
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 5/85/16-18x5/8 serrated hex flanged washer full thread screw case hard zinc & bake37.500
AbabaCAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3/45/16-18 x 3/4 whiz flng blt s/s2546
KL SalesWIFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Clear5/16-18 x 3/4hex flg m/s w/serr znc99
MESAFASTCAFlange Screw w serr. (Whiz-Lock eq.)SteelPlain5/16-18 x 3/4hwh fl/b serrated240.0
WurthOntFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 3/4scr hex flange ser chard (zn) 5/16-18x3/4200
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Yellow5/16-18 x 3/4scr hex flange unserrated grade 8 (zy) 5/16-18x3/4146,447
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 3/4scr hex flange serrated charound (zt) 5/16-18x3/414,400
Bolts PlusOntFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 3/4serrated fl/b1769
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 3/4scr hex flange serrated grade 5 (zt) 5/16-18x3/47,225
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-24 x 3/4scr hex flange serrated grade 5 (zt) 5/16-24x3/43,948
NAPPCOTXFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3/45/16-18x3/4 s/s 18-8 serrated hwh flange screw1000
SWACOOHFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 3/45/16-18 x 3/4 serr hex flange blt z302
GUIDONTXFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3/4UNSLOTTED INDENTED HEX WASHER HEAD WITH SERRATIONS12,000
ISSCOMOFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Yellow5/16-24 x 3/4hex flanged serrated10800
BAYFASTCOFLFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 3/4serrated hex f/b g6674
KomarILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Yellow5/16-18 x 3/4whiz flange serrated bolt zc5,100
KL SalesWIFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 3/4hex flange m/s w/serr znc50
NutsBoltsNEFlange Screw w serr. (Whiz-Lock eq.)SteelPlain5/16-18 x 3/45/16-18 x 3/4 whizbolt15,021
WSBKYFlange Screw w serr. (Whiz-Lock eq.)Grade 2Plain5/16-24 x 3/4screw hex flange ser gr2 zf 5/16-24x3/45,297
WSBKYFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 3/4screw hex flange ser chard (zt) 5/16-18x3/413,147
WurthINFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Black5/16-18 x 3/45/16-18 x 3/4 hex flange screw gr5 blkzinc serrated5,050
FastWareSaskFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Yellow5/16-18 x 3/4nc serrated fl/b f/t565
ASMCILFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 3/4(ft) coarse gr5 hex fl/b with serration med carb zp1,800
MTPCAFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 3/4serrated flange bolts f/thstock
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelBlack Oxide5/16-18 x 3/45/16-18x3/4 serrated hex flanged washer full thread screw black oxide31.250
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3/45/16-18x3/4 serrated hex flanged washer full thread screw 18-8 stainless steel12.500
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 3/45/16-18x3/4 serrated hex flanged washer full thread screw case hard zinc & bake31.250
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-24 x 3/45/16-24x3/4 serrated hex flanged washer full thread screw case hard zinc & bake37.500
MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Black5/16-18 x 7/85/16-18x7/8 serrated hex fl/b black w/nylok patchinquire
MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Black5/16-18 x 7/8serrated hex fl/b blackinquire
MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Clear5/16-18 x 7/8serrated hex fl/binquire
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Yellow5/16-18 x 7/8scr hex flange unserrated grade 8 (zy) 5/16-18x7/8350
NAPPCOTXFlange Screw w serr. (Whiz-Lock eq.)Grade 5Plain5/16-18 x 7/8serratedhexwashflgescr gr5 5/16-18 x 7/82481
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 7/85/16-18x7/8 serrated hex flanged washer full thread screw case hard zinc & bake31.250
MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1serrated indented hex fl/binquire
ACCURATEILFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1serrated hwh fl/b gr51123
MESAFASTCAFlange Screw w serr. (Whiz-Lock eq.)SteelPlain5/16-18 x 1ns hwh serrated fl/b38,324.0
HBBOLTCAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1hex wsh serratd fl/b ss300
Bolts PlusOntFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 1serrated fl/b2475
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 5Phosphate5/16-18 x 1scr hex flange serrated grade 5 (po) 5/16-18x11,099
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Yellow5/16-18 x 1scr hex flange unserrated grade 8 (zy) 5/16-18x1450
Irwin IndOntFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 15/16-18 x 1 serrated hex wshr full thread flange screw 18.84,180
AmeriNYFlange Screw w serr. (Whiz-Lock eq.)SteelPlain5/16-18 x 1hex washer serr fl/b500
AmeriNYFlange Screw w serr. (Whiz-Lock eq.)SteelPlain5/16-18 x 1hex flange serr black6250
IndexFastCAFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 1hb031c0100sfsz 5/16-18 x 1 hex flange bolt serrated steel/zinc300
NAPPCOTXFlange Screw w serr. (Whiz-Lock eq.)Grade 5Plain5/16-18 x 1serratedhexwashflgescr gr5 5/16-18 x 129120
NAPPCOTXFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1hx serrated flange screw gr5 5/16-18x1zp12800
WDMBIAFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1lg flg scr w/serr .11195
GUIDONNJFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1UNSLOTTED INDENTED HEX WASHER HEAD WITH SERRATIONS900
OBRIENOHFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 1hex fl/b w/serrations1035
SJS ProdCAFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 15/16-18x1 ser. hex flange screw st. zp rohs1,500
HodellOHFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 15/16-18 x 1 serrated flange bolt zinc150
ISSCOMOFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1Grade 5.1 Large Flange2265
NutsBoltsNEFlange Screw w serr. (Whiz-Lock eq.)SteelPlain5/16-18 x 15/16-18 x 1 whizbolt z548,871
NutsBoltsNEFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16 x 15/16 x 1 gr5 whizbolt zp 1376270461
NutsBoltsNEFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 15/16-18 x 1 ss whizbolt ebm mfg50
ManscoMIFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1hex serr fl/b gr5 znc w/std dog pt66,960
FastWareSaskFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 1hwh serrated flange type 23 thread cutting screw208
ASMCILFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1(ft) coarse gr5 hex fl/b with serration med carb zp1,950
KBSTNFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 15/16-18 x 1 hex flange bolt serrated plated4,629
MTPCAFlange Screw w serr. (Whiz-Lock eq.)Grade 8Black Oxide5/16-18 x 1serrated flange bolts f/th with patchstock
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelBlack Oxide5/16-18 x 15/16-18x1 serrated hex flanged washer full thread screw black oxide25,000
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 15/16-18x1 serrated hex flanged washer full thread screw 18-8 stainless steel12.500
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 15/16-18x1 serrated hex flanged washer full thread screw case hard zinc & bake25,000
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-24 x 15/16-24x1 serrated hex flanged washer full thread screw case hard zinc & bake31.250
TownCountryARFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1 1/45/16-18x1 1/4 flanged serrated whiz lock screw gr.55636
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Phosphate5/16-18 x 1 1/4scr hex flange unserrated grade 8 (po) 5/16-18x1 1/4136,453
Bolts PlusOntFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 1 1/4hex serrated fl/b180
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Yellow5/16-18 x 1 1/4scr hex flange unserrated grade 5 (zy) 5/16-18x1 1/46,150
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Black5/16-18 x 1 1/4scr hex flange serrated grade 5 (bz) 5/16-18x1 1/42,185
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1 1/4scr hex flange serrated grade 5 (zt) 5/16-18x1 1/41,200
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 5Plain5/16-18 x 1 1/4scr hex flange unserrated grade 5 zt 5/16-18x1 1/4800
ASMCILFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1 1/4(ft) coarse gr5 hex fl/b with serration med carb zp500
EFSCOORFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1 1/45/16-18 x 1 1/4 gd 5 serrated hex flange screw zinc plated90
GUIDONNJFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1 1/4UNSLOTTED INDENTED HEX WASHER HEAD WITH SERRATIONS200
BrikksenFLFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/45/16-18 x 1-1/4 hex flange bolt 18-8ss w/serrations-700 per66550
BrikksenFLFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide5/16-18 x 1 1/45/16-18 x 1.25 flange bolt 18-8ss serrated/black oxide-700 per151035
NutsBoltsNEFlange Screw w serr. (Whiz-Lock eq.)SteelPlain5/16-18 x 1 1/45/16-18 x 1 1/4 whizbolt z56,313
NutsBoltsNEFlange Screw w serr. (Whiz-Lock eq.)316, 317, A4 StainlessPlain5/16-18 x 1 1/45/16-18 x 1 1/4 316 ss whizbolt ebm mfg9
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelBlack Oxide5/16-18 x 1 1/45/16-18x1 1/4 serrated hex flanged washer full thread screw black oxide25,000
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/45/16-18x1 1/4 serrated hex flanged washer full thread screw 18-8 stainless steel12.500
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 1 1/45/16-18x1 1/4 serrated hex flanged washer full thread screw case hard zinc & bake25,000
ACCURATEILFlange Screw w serr. (Whiz-Lock eq.)Grade 8Phosphate5/16-18 x 1 1/2serrated gr8 hex flange fr/b blk phos1200
MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)Grade 5Plain5/16-18 x 1 1/2hex fl/b serratedinquire
MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Black5/16-18 x 1 1/25/16-18x1 1/2 serrated hex fl/b black w/nylok patchinquire
MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Black5/16-18 x 1 1/2serrated hex fl/b blackinquire
MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Clear5/16-18 x 1 1/2serrated hex fl/binquire
ASMCILFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1 1/2(ft) coarse gr5 hex fl/b with serration med carb zp400
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1 1/2scr hex flange serrated grade 5 (zt) 5/16-18x1 1/228,157
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1 1/2scr hex flange unserrated grade 5 (zn) 5/16-18x1 1/2902
NAPPCOTXFlange Screw w serr. (Whiz-Lock eq.)Grade 5Plain5/16-18 x 1 1/2serrhexwashflgescr gr5 5/16-18 x1-1/21600
GUIDONNJFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1 1/2UNSLOTTED INDENTED HEX WASHER HEAD WITH SERRATIONS100
ISSCOMOFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1 1/2large flanged serr4250
OBRIENOHFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 1 1/2serr. hex fl/b4775
SWACOOHFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1 1/25/16-18x1 1/2 hex serr flange st gr 5 zi cr3170
NutsBoltsNEFlange Screw w serr. (Whiz-Lock eq.)SteelPlain5/16-18 x 1 1/25/16-18 x 1 1/2 whizbolt z55,153
WurthINFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 1 1/25/16-18 x 1-1/2 serrated hex flange screw zinc13,551
KBSTNFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1 1/25/16-18 x 1 1/2 hex flange bolt serrated gr 5 plated1,974
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelBlack Oxide5/16-18 x 1 1/25/16-18x1 1/2 serrated hex flanged washer full thread screw black oxide25,000
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/25/16-18x1 1/2 serrated hex flanged washer full thread screw 18-8 stainless steel12.500
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 1 1/25/16-18x1 1/2 serrated hex flanged washer full thread screw case hard zinc & bake25,000
ACCURATEILFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1 3/4serrated hwh fl/b gr5220
MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1 3/4serrated hex fl/binquire
MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Black5/16-18 x 1 3/45/16-18x1 3/4 serrated hex fl/b black w/nylok patchinquire
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1 3/4scr hex flange serrated grade 5 (zn) 5/16-18x1 3/42,300
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Phosphate5/16-18 x 1 3/4scr hex flange unserrated grade 8 (po) 5/16-18x1 3/41,231
NAPPCOTXFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1 3/4hx serr flange scr gr5 zp 5/16-18x 1 3/43780
OBRIENOHFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 1 3/4hex fl/b w/serr625
WDMBIAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 3/4serr flg sc 18-8 ss500
All SizeTXFlange Screw w serr. (Whiz-Lock eq.)Grade 5Plain5/16-18 x 1 3/45/16-18 x 1-3/4 gr.5 serrated flange bolt214
NutsBoltsNEFlange Screw w serr. (Whiz-Lock eq.)SteelPlain5/16-18 x 1 3/45/16-18 x 1 3/4 whizbolt z51,570
KBSTNFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 1 3/45/16-18 x 1 3/4 hex flange bolt serrated plated4,745
HBBOLTCAFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 2hwh gr.5 serrated fl/b984
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 2scr hex flange serrated grade 5 (zt) 5/16-18x2800
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 2scr hex flange unserrated grade 5 (zn) 5/16-18x2700
ISSCOMOFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 2hex flanged 18-8 stainless790
EFSCOORFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 25/16-18 x 2 gd 5 serrated hex flange screw zinc plated472
NutsBoltsNEFlange Screw w serr. (Whiz-Lock eq.)SteelPlain5/16-18 x 25/16-18 x 2 whizbolt z5679
FastWareSaskFlange Screw w serr. (Whiz-Lock eq.)Grade 5Plain5/16-18 x 2nc serrated fl/b f/t js50011
MTPCAFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Clear5/16-18 x 2serrated flange bolts f/th180
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 25/16-18x2 serrated hex flanged washer full thread screw case hard zinc & bake18.750
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 2 1/4scr hex flange unserrated grade 5 (zn) 5/16-18x2 1/41,300
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 2 1/45/16-18x2 1/4 serrated hex flanged washer full thread screw case hard zinc & bake12.500
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 2 1/25/16-18x2 1/2 serrate hex flange ft gr5 zinc7.500
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Plain5/16-18 x 2 1/2scr hex flange unserrated grade 8 zt 5/16-18x2 1/21,090
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Yellow5/16-18 x 2 1/2scr hex flange unserrated grade 8 (zy) 5/16-18x2 1/2854
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 5Plain5/16-18 x 2 1/2scr hex flange unserrated grade 5 zt 5/16-18x2 1/2600
BrikksenFLFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 2 1/25/16-18 x 2.5 flange bolt 18-8ss serrated178906
NutsBoltsNEFlange Screw w serr. (Whiz-Lock eq.)SteelPlain5/16-18 x 2 1/25/16-18 x 2 1/2 whizbolt z51,995
MTPCAFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 2 1/2serrated flange bolts f/th700
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 2 1/25/16-18x2 1/2 serrated hex flanged washer full thread screw case hard zinc & bake12.500
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Yellow5/16-18 x 2 3/4scr hex flange unserrated grade 8 (zy) 5/16-18x2 3/42,594
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 2 3/4scr hex flange serrated charound (zt) 5/16-18x2 3/4462
ISSCOMOFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 2 3/4hex flanged serr1500
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 2 3/45/16-18x2 3/4 serrated hex flanged washer full thread screw case hard zinc & bake10,000
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 35/16-18x3 serrate hex flange ft gr5 zinc12.500
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 3scr hex flange unserrated grade 5 (zn) 5/16-18x3900
OBRIENOHFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 3serr hex fl/b546
NutsBoltsNEFlange Screw w serr. (Whiz-Lock eq.)SteelPlain5/16-18 x 35/16-18 x 3 whizbolt z5210
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 35/16-18x3 serrated hex flanged washer full thread screw case hard zinc & bake10,000
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 3 1/25/16-18x3 1/2 serrate hex flange ft gr5 zinc7.500
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 3 1/25/16-18x3 1/2 serrated hex flanged washer full thread screw case hard zinc & bake7.500
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 45/16-18x4 serrate hex flange ft gr5 zinc7.500
BrikksenFLFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide5/16-18 x 45/16-18 x 4 serrated flange bolt black oxide with orientation mark 18-8ss6600
NutsBoltsNEFlange Screw w serr. (Whiz-Lock eq.)SteelPlain5/16-18 x 45/16-18 x 4 whizbolt79
Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 45/16-18x4 serrated hex flanged washer full thread screw case hard zinc & bake7.500
JacksonMSFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/165/16 nc serrated whiz flange locknut2927.5
JacksonMSFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-245/16-24 nf serrated whiz flange locknut3634
Set ScrewILFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x .50 .2serrated fl/b & bake per print #4319inquire
ACCURATEILFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24serr. hex flange locknut 18-8 s/s (fine thread)88
TownCountryARFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-185/16-18 flanged serrated whizlock nut3000
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18nut hex serrated flange grade 5 (zn) 5/16-18114,790
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Phosphate5/16-18nut hex serrated flange grade 8 (po) 5/16-1812,553
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18nut hex serrated flange steel (zn) 5/16-1817,265
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Yellow5/16-24nut hex serrated flange steel (zy) 5/16-2411,662
Wurth AdaMNFlange Screw w serr. (Whiz-Lock eq.)Grade 8Plain5/16-18nut hex serrated flange grade 8 (pl) 5/16-183,200
THRDFASTFLFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-185/16-18 flange whiz lock nut150
THRDFASTOKFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-185/16-18 flange whiz lock nut184
THRDFASTTNFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-185/16-18 flange whiz lock nut50
SISAZFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18serrated hex flange locknut1400

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