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25mm length Serrated Flange Screws (DIN 6921)

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 
EndriesWIFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM8 x 25m8x25 class 8.8 serrated flange bolt trivalent clear zinc precote 80 din 69213991
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6 x 25din 6921 hex flange bolt serrated12,000
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM5 x 25din 6921 hex flange bolt serrated6,000
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM10 x 25din 6921 hex flange bolt serrated700
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8 x 25din 6921 hex flange bolt serrated23,126
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/YellowM8 x 25m8 x 25 din 6921-cl 8.8 ye/zn hex hd flange bolts-serr15,346
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RCFastAZFlange Screw w serr. (Whiz-Lock eq.)SteelZinc/ClearM10 x 25m10x25 hex flange bolt w/serrations stl zinc 1 ( ) din 6921400
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ManscoMIFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/ClearM12-1.75 x 25M12-1.75x25 hex serr flange bolt cl100 triv znc din 6921s720
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM10 x 25m10 x 25 din 6921 a2 stainless steel hex head flange screw with serrationsinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/YellowM6 x 25m6 x 25 din 6921 8.8 (serrated) zinc yellow plated hex head flange screwinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8 x 25M8x25 a2 18-8 304 steel serrated hex head flange screw din 6921inquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 12.9Electrolytic Zinc Basecoat + Topcoats (Climacoat, Climaseal, etc.)M10 x 25M10x25 12.9 delta kl100 zinc flake serrated hex head flange screw din 6921inquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 12.9Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)M10 x 25M10x25 12.9 geomet 321a serrated hex head flange screw din 6921inquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM10 x 25M10x25 8.8 zinc plated 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.)Class 12.9PlainM10 x 25M10x25 12.9 plain finish serrated hex head flange screw din 6921inquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM5 x 25M5x25 serrated 8.8 zinc plated hex head flange screw serrated din 6921inquire
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ASMCILFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM8-1.25 x 25M8x1.25x25 coarse cl8.8 hex flange screw with serration med carb zp din 6921200
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ACCURATEILFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM8-1.25 x 25din 6921 serrated fl/b500
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Alma BoltMIFlange Screw w serr. (Whiz-Lock eq.)Class 9.8PlainM10-1.50 x 25m10 x 1.5 x 25 din 6921 serr. hex flange bolt class 90240
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IRFNJFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8-1.25 x 25fl/b with locking serrations a2 18-8 304 per f/t din 692121,930
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NorthernMNFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Black OxideM6-1.00 x 25flng blt 8.8 serr black rie4037a din 6921399
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Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM6-1.00 x 25m6-1.0x25 metric din 6921 class 8.8 indent hex flanged washer serrated screw full thd zinc43.750
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Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM8-1.25 x 25m8-1.25x25 metric din 6921 class 8.8 indent hex flanged washer serrated screw full thd zinc22.500
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Kanebridge ILFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8-1.25 x 25m8-1.25x25 din 6921 serrated hex wash flange stainless steel12.500
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6 x 25M6x25 a2 18-8 304 steel serrated hex head flange screw din 6921inquire
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FastWareSaskFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/YellowM8-1.25 x 25hex fl/b serrations din 6921100
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