M12 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 
MTPCAFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/ClearM12 x 20serrated flange bolts f/th678
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/ClearM12 x 25serrated flange bolts f/th10,520
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/ClearM12 x 40serrated flange bolts f/th8,690
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/ClearM12 x 50serrated flange bolts f/th8,550
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/ClearM12 x 35serrated flange bolts f/th8,600
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/ClearM12 x 45serrated flange bolts f/th8,540
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/ClearM12 x 30serrated flange bolts f/th10,430
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/ClearM12 x 60serrated flange bolts f/th6,370
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/ClearM12 x 55serrated flange bolts f/th6,350
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Black OxideM12 x 20m12 x 20 din 6921-8.8-serr bl/ox hex flange bolt300
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Black OxideM12 x 50m12 x 50 din 6921-8.8-serr bl/ox hex flange bolt125
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM12-30m12 x 30 din 6921-8.8 zn hex hd flange bolts -serr175
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM12-20m12 x 20 din 6921-8.8 zn hex hd flange bolts -serr830
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM12-40m12 x 40 din 6921-8.8 zn hex hd flange bolts -serr10,259
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM12-25m12 x 25 din 6921-8.8 zn hex hd flange bolts -serr9,320
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM12-50m12 x 50 din 6921-8.8 zn hex hd flange bolts -serr10,273
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WDMBIAFlange Screw w serr. (Whiz-Lock eq.)SteelPlainM12 x 50scr-hex-flg-tensilok-100-(a3c)-m12x50950
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Cal FastenrsCAFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/YellowM12-1.75 x 35fl/b w/ serrations dc- bn -2797 bn -2797100
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Cal FastenrsCAFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/YellowM12-1.75 x 40fl/b w/ serrations dc- bn -2797 bn -2797100
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SWACOOHFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM12-1.75 x 35M12-1.75x35 serr hex flange bolt 8.8 rohs zinc300
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM12 x 20/20M12x20/20 a2 18-8 304 steel full thread serrated hex head flange screw din 6921inquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM12 x 50/30M12x50/30 8.8 zinc plated serrated hex head flange screw per print din 6921inquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM12 x 45/45M12x45/45 a2 18-8 304 steel full thread serrated hex head flange screw din 6921inquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM12 x 90/90M12x90/90 a2 18-8 304 steel full thread serrated hex head flange screw din 6921inquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM12 x 25M12x25 8.8 zinc plated serrated hex head flange screw din 6921inquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 12.9PlainM12-1.25 x 25M12-1.25x25 12.9 serrated plain finish extra fine thread hex head flange screw din 6921inquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM12 x 25/25M12x25/25 a2 18-8 304 steel full thread serrated hex head flange screw din 6921inquire
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MMCCILFlange Screw w serr. (Whiz-Lock eq.)SteelPlainM12 x 20m12 x 20 serrated flange bolt w151fl thermal black2794
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MMCCILFlange Screw w serr. (Whiz-Lock eq.)SteelPlainM12 x 25m12 x 25 serrated flange bolt w151fl thermal black9890
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MMCCILFlange Screw w serr. (Whiz-Lock eq.)SteelPlainM12 x 30m12 x 30 serrated flange bolt w151fl thermal black777
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MMCCILFlange Screw w serr. (Whiz-Lock eq.)SteelPlainM12 x 40m12 x 40 serrated flange bolt w151fl thermal black2216
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MMCCILFlange Screw w serr. (Whiz-Lock eq.)SteelPlainM12 x 45m12 x 45 serrated flange bolt w151fl thermal black615
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MMCCILFlange Screw w serr. (Whiz-Lock eq.)SteelPlainM12 x 35m12 x 35 serrated flange bolt w151fl thermal black5280
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MMCCILFlange Screw w serr. (Whiz-Lock eq.)SteelPlainM12 x 50m12 x 50 serrated flange bolt w151fl thermal black440
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KomarMOFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/ClearM12-1.75M12-1.75 whiz flange lock nut1000
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 10.9PlainM12-1.50 x 40m12-1.5 x 40 din 1665 10.9 plain finish hex head flange bolt heavy seriesinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 10.9PlainM12 x 40m12 x 40 din 1665 10.9 plain finish hex head flange bolt heavy seriesinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 8.8PlainM12 x 40m12 x 40 din en 1665 8.8 plain finish hex head flange bolt heavy seriesinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 10.9PlainM12 x 35m12 x 35 din 1665 10.9 plain finish hex head flange bolt heavy seriesinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 8.8PlainM12 x 100m12 x 100 din 1665 8.8 plain finish hex head flange bolt heavy seriesinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 10.9PlainM12 x 80m12 x 80 din 1665 10.9 plain finish hex head flange bolt heavy seriesinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/ClearM12 x 80m12 x 80 din 1665 10.9 zinc plated hex head flange bolt heavy seriesinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 8.8PlainM12 x 90m12 x 90 din 1665 8.8 plain finish hex head flange bolt heavy seriesinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 8.8PlainM12 x 20m12 x 20 din en 1665 8.8 plain finish hex head flange bolt heavy seriesinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 8.8PlainM12 x 35m12 x 35 din en 1665 8.8 plain finish hex head flange bolt heavy seriesinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 10.9PlainM12 x 30m12 x 30 din 1665 10.9 plain finish hex head flange bolt heavy seriesinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/ClearM12 x 60m12 x 60 din 1665 10.9 zinc plated hex head flange bolt heavy seriesinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 10.9PlainM12 x 90m12 x 90 en 1665 10.9 plain finish hex head flange bolt heavy seriesinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM12 x 80m12 x 80 din en 1665 8.8 zinc plated hex head flange bolt heavy seriesinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 8.8PlainM12 x 55m12 x 55 en 1665 8.8 plain finish hex head flange bolt heavy seriesinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/ClearM12 x 30m12 x 30 din 1665 10.9 zinc plated hex head flange bolt heavy seriesinquire
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CenturyFLFlange Screw w serr. (Whiz-Lock eq.)SteelPlainM12 x 50.0din 6921 m12.0 x 50.0mm serrated flange350
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BoltCraftNEFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/ClearM12-1.75 x 35m12-1.75 x 35 serrated flange hex bolt zinc 450/ctn1,800
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BoltCraftNEFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/ClearM12-1.75 x 25m12-1.75 x 25 serrated flange hex bolt zinc 500/ctn1,000
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BoltCraftNEFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/ClearM12-1.75 x 20m12-1.75 x 20 serrated flange hex bolt zinc 500/ctn311
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BoltCraftNEFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM12-1.75 x 40m12-1.75 x 40 serrated flange hex bolt zinc grade 8.8200
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BritMetMDFlange Screw w serr. (Whiz-Lock eq.)SteelBlack OxideM12 x 20tensilok flange screw bn 73100
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MSTCMAFlange Screw w serr. (Whiz-Lock eq.)SteelPlainM12 x 40m12 x 40 mst 73 hex flng scr w/serration91
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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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TownCountryARFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/ClearM12-1.75m12-1.75 flanged serrated whizlock nut 10.9 zinc1950
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TownCountryARFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM12-1.75 x 25M12-1.75x25 flanged serrated whiz lock screwinquire
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FastWareSaskFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/YellowM12-1.75 x 40serrated fl/b9,600
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FastWareSaskFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM12-1.75 x 40serrated fl/b4,280
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FastWareSaskFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/YellowM12-1.75 x 35serrated fl/b1,641
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FastWareSaskFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/YellowM12-1.75 x 50serrated fl/b700
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FastWareSaskFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/YellowM12-1.75 x 20serrated fl/b 16 a.f.249
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FastWareSaskFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/YellowM12-1.75 x 80hex fl/b serrations din 692115
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FastWareSaskFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/YellowM12-1.75 x 120hex fl/b serrations din 69215
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Irwin IndOntFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM12 x 30m12 x 30 din 6921 8.8 serrated hex flange bolt zinc plated100
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WSBKYFlange Screw w serr. (Whiz-Lock eq.)Class 10.9PhosphateM12 x 25e/screw flange ser 10.9 (po) m12x251,218
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WSBKYFlange Screw w serr. (Whiz-Lock eq.)Class 10.9PhosphateM12 x 25e/screw flange ser 10.9 (po) m12x25750
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AFIFLFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/YellowM12 x 35m12x35 serr hx wash flange ms st zd rohs1623
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WurthINFlange Screw w serr. (Whiz-Lock eq.)Class 10.9PlainM12-35 x 0m12 x 35 hex flange bolt tensilok cl 100 pack 100 per poly bag9,366
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WurthINFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/ClearM12 x 35m12 x 35 hex flange bolt tensilok zn coat class 1001,500
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