Serrated Flange Screws

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 
Zoro Tools Inc.Flange Screw w serr. (Whiz-Lock eq.)SteelPlain1/4-20 x 2 1/2serrated flange bolt 1/4-20 x 2-1/2
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Zoro Tools Inc.Flange Screw w serr. (Whiz-Lock eq.)PlasticPlainM10nut plastic insert m10 hex flange
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FTSOHFlange Screw w serr. (Whiz-Lock eq.)Class 10.9PlainM12-1.75 x 35ser hex flng scr din 6921 gr10.9450
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JacksonMSFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear3/8-16 x 5/8nc hex whiz fl/b gr.51000
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JacksonMSFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear7/16-14 x 1nc hex serrated whiz fl/b gr.5650
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JacksonMSFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear7/16-14 x 1 1/4nc hex serrated whiz fl/b gr.5620
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JacksonMSFlange Screw w serr. (Whiz-Lock eq.)SteelPlainM6-1.00M6x1.00 serrated whiz flange locknut19
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JacksonMSFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear#8-328-32 nc serrated whiz flange locknut200
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JacksonMSFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear#10-2410-24 nc serrated whiz flange locknut5990
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JacksonMSFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear#10-3210-32 nf serrated whiz flange locknut4364
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JacksonMSFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear1/41/4 nc serrated whiz flange locknut9978
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JacksonMSFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear1/4-281/4-28 nf serrated whiz flange locknut1031
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JacksonMSFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/165/16 nc serrated whiz flange locknut4183.75
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JacksonMSFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-245/16-24 nf serrated whiz flange locknut3631
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JacksonMSFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear3/8-243/8-24 nf serrated whiz flange locknut1108
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JacksonMSFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear7/167/16 nc serrated whiz flange locknut57131.5
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JacksonMSFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear7/16-207/16-20 nf serrated whiz flange locknut3069
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JacksonMSFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear1/21/2 nc serrated whiz flange locknut19144.3
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JacksonMSFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear1/2-201/2-20 nf serrated whiz flange locknut1176
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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/s2506
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METRO INDOHFlange Screw w serr. (Whiz-Lock eq.)SteelBlack OxideM6 x 20m6 x 20 hex serrated tensilok flange screw bn 73100
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SIIINFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear1/2-13 x 11/2-13 x 1 grd5 serrated flange bolt zinc)270
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METRO INDOHFlange Screw w serr. (Whiz-Lock eq.)Class 8.8PlainM10M10 hex tensilok flange nuts bn 19070
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METRO INDOHFlange Screw w serr. (Whiz-Lock eq.)Class 8.8PlainM16M16 hex tensilok flange nuts bn 1902
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METRO INDOHFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear1/2-13 x 1 3/4ind serrated fl/b150
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METRO INDOHFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear3/8-16 x 1ind serrated fl/b667
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METRO INDOHFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear3/8-16 x 1 1/2ind serrated fl/b22
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METRO INDOHFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear3/8-16 x 1 1/4ind serrated fl/b410
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JacksonMSFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 nc serrated whiz flange locknut 18-8 30420
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JacksonMSFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/ClearM6 x 1.00coarse serrated whiz flange class 10 clear4000
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TSFTXFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear1/4-20 x 1/2flange hex screw serrated gr5 zinc 1/4-20 x 1/213
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TSFTXFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3/4hex washer flange bolt serrated 18-8 ss 1/4-20 x 3/4252
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AbabaCAFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM10-1.50 x 25m10-1.5 x 25 whiz flange blt 8.8 znc900
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AbabaCAFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/ClearM10-1.50 x 25m10-1.5 x 25 whiz flange blt hrd stl znc160
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ACCURATEILFlange Screw w serr. (Whiz-Lock eq.)Grade 2Zinc/Clear3/8-16 x 3/4serrated hwh fl/b gr2561
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ACCURATEILFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear1/4-20 x 1 1/4serrated hwh flange scr gr51900
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ACCURATEILFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear3/8-16 x 13/4 serrated hwh fl/b gr5340
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ACCURATEILFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20serr. hex flange locknut 18-8 s/s100
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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
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ACCURATEILFlange Screw w serr. (Whiz-Lock eq.)Grade 8Phosphate5/16-18 x 1 1/2serrated gr8 hex flange fr/b blk phos1200
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ACCURATEILFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1 3/4serrated hwh fl/b gr5220
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ACCURATEILFlange Screw w serr. (Whiz-Lock eq.)Grade 2Zinc/Clear3/8-16 x 1serrated hwh fl/b gr2184
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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
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Set ScrewILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear#10-16 x 1.0unslotted hex serrated flange washer self drilling type #3 screwinquire
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Set ScrewILFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x .50 .2serrated fl/b & bake per print #4319inquire
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TownCountryARFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/21/4-20 x 1/2 serrated whizlock machine screw s.s. 18-8inquire
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TownCountryARFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1/25/16-18 x 1/2 flanged serrated whizlock screw s.s. 18-8 #3108mww188inquire
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TownCountryARFlange 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 flanged serrated whizlock screw s.s. 18-8inquire
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TownCountryARFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 1/25/16-18 x 1 1/2 flanged serrated whizlock screw s.s. 18-8inquire
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TownCountryARFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1/23/8-16 x 1/2 flanged serrated whiz lock screw s.s. 304inquire
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TownCountryARFlange Screw w serr. (Whiz-Lock eq.)316, 317, A4 StainlessPlain3/8-16 x 3/43/8-16 x 3/4 flanged serrated whizlock screw s.s. 316inquire
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TownCountryARFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 13/8-16 x 1 flanged serrated whiz lock screw s.s. 304inquire
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TownCountryARFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 11/2-13 x 1 flanged serrated whiz lock screw s.s. 304inquire
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TownCountryARFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear1/2-13 x 3 1/21/2-13 x 3 1/2 flanged serrated whizlock screw zincinquire
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TownCountryARFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM6-1.00 x 12m06-1.0 x 12mm flanged serrated whiz lock screw 8.8 zincinquire
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TownCountryARFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/ClearM8-1.25 x 20m08-1.25 x 20mm flanged serrated whizlock screw zincinquire
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TownCountryARFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM10-1.50 x 20m10-1.50 x 20mm flanged serrated whizlock screw 8.8 zincinquire
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TownCountryARFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/YellowM10-1.50 x 25m10-1.50 x 25mm flanged serrated whizlock screw 10.9 yellow zincinquire
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TownCountryARFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear1/4-20 x 11/4-20 x 1 flanged serrated whizlock machine screw zinc gr.5 #1416mww5inquire
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TownCountryARFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear1/4-20 x 1 3/41/4-20 x 1 3/4 flanged serrated whiz lock screw gr.5 zincinquire
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TownCountryARFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1/25/16-18 x 1/2 flanged whizlock screw gr.5 zinc #3108mww5inquire
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YANKEENHFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 3/41/4-20 x 1-3/4 serrated hex washer flange screw 18-8 stainless steel500
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YANKEENHFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear1/4-20 x 3/41/4-20 x 3/4 serr hex wash flange scr zinc pltd623
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YANKEENHFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear1/4-201/4-20 serrated flange hex locknut steel zinc plated2100
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YANKEENHFlange Screw w serr. (Whiz-Lock eq.)AluminumPlain#8 x 1 1/4#8 x 1 1/4 serr hex wash flange scr type-a alum195
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YANKEENHFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Black OxideM10-1.50 x 35m10 (1.5) x 35 serrated flange hex cap screw class 100 steel black oxide92
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YANKEENHFlange Screw w serr. (Whiz-Lock eq.)Class 9.8Black OxideM10-1.50 x 35m10 (1.5) x 35 serrated flange hex cap screw class 90 steel black oxide76
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YANKEENHFlange Screw w serr. (Whiz-Lock eq.)SteelPlainM6-1.00 x 16m6(1) x 16 serr hex wash flange scr plain45
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YANKEENHFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/2serrated hex washer fl/b 18-8 s/s m1106
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YANKEENHFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear1/4-20 x 5/8serr hex wash flange scr1694
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YANKEENHFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20serrated flange hex locknut 18-8 s/s1198
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YANKEENHFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/2serrated hex washer fl/b 18-8 s/s220
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YANKEENHFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear#6-32 x 1/4serr hex wash flange scr2600
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AmericanNYFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear1/4-20 x 2hex flange serrated bolt pl800
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AmericanNYFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear#10-32 x 1/4unslotted hex washer flange serrated m/s pl2000
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AmericanNYFlange Screw w serr. (Whiz-Lock eq.)SteelCadmium#12-24 x 5/16hex washer flange serr cad pl m/s10000
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CNBILFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear1/4-20 x 5/8serrated hex fl/b with 3m thread locker 2510 orange1500
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RCFastAZFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/ClearM8 x 25hex fl/b w/serrations stl 1200
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RCFastAZFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/ClearM10 x 25hex wshr hd flange whizlock w/serrations stl 1800
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MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 3/810-32x3/8 hex whiz lock screw 18-8 s/sinquire
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MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1/210-32x1/2 hex whiz lock screw 18-8 s/sinquire
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MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1serrated hex fl/b 18-8 s/sinquire
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MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Black1/4-20 x 1/2serrated hex fl/b blackinquire
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MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear1/4-20 x 1/21/4-20x1/2 hex whiz lock screwinquire
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MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)SteelBlack OxideM6-1.00 x 30serrated hex fl/b black finishinquire
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MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear3/8-16 x 1serrated indented hex fl/b gr. 5inquire
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MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear3/8-16 x 13/8-16x1 hex whiz lock screwinquire
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MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear3/8-16 x 1 1/43/8-16x1 1/4 hex whiz lock screwinquire
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MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear3/8-16 x 23/8-16x2 hex whiz lock screwinquire
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MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Black3/8-16 x 3/4serrated hex fl/b blackinquire
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MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear7/16-14 x 1serrated hex fl/binquire
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MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)Grade 5Plain5/16-18 x 1 1/2hex fl/b serratedinquire
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MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1serrated indented hex fl/binquire
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MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 1/2serrated hex fl/binquire
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MasFasCorpNVFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8-1.25 x 12m8-1.25x12 hex flange bolt (not serrated) s/sinquire
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CIFILFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear1/2-131/2-13 hex flange nylon insert locknut grade 5 zinc3232
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CIFILFlange Screw w serr. (Whiz-Lock eq.)SteelPlainM8-1.25 x 14m8 x 1.25 x 14 indented hex flange serrated tapping screw tri lob per sae j1237 type-2 case hard plain11727
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CIFILFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 11/4-20 x 1 hex flange bolt serrated 18-8 ss200
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CIFILFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/ClearM8-1.25 x 16.00m8 x 1.25 x 16.00 serrated hex flange bolt 10.9 with 17.6 mm flange od 13 mm af and 7.70 mm head height zinc chromate10990
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CIFILFlange Screw w serr. (Whiz-Lock eq.)Grade 8Zinc/Black1/4-201/4-20 serrated hex flange locknut grade 8 plated per tms 4521 type i (zinc nickel black)40579
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CIFILFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated1/2-131/2-13 serrated hex flange locknut 18-8 stainless steel passivated per mpaps a-37 with anti-galling coating144
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CIFILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear1/2-131/2-13 serrated hex flange locknut case hardened plated per tms 45234524
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CIFILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Clear3/8-16 x 1hex serrated fl/b,808
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CIFILFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/Yellow3/8-16 x 1 1/2hex serrated fl/b, grade5,365
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CIFILFlange Screw w serr. (Whiz-Lock eq.)Grade 5Zinc/Clear3/8-16 x 1 1/2hex serrated fl/b, ,700
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