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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.

3592 Flange Screw w serr. (Whiz-Lock eq.) (din 6921), showing 200, (click on any line for more information)

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MTPCAFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/YellowM6 x 30m6 x 30 din 6921-cl 8.8-serr y/z hex flange boltsstock
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM10 x 100m10 x 100 din 6921-a2 s.s hex flange bolts serrated ftstock
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Irwin IndOntFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM8 x 20m8 x 20 din 6921 8.8 serrated hex flange bolt zinc plated500
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM5 x 20din 6921 hex flange bolt serrated8,040
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM5 x 12din 6921 hex flange bolt serrated10,000
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM5 x 10din 6921 hex flange bolt serrated1,790
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM5 x 16din 6921 hex flange bolt serrated8,000
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6 x 30din 6921 hex flange bolt serrated9,300
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6 x 45din 6921 hex flange bolt serrated2,000
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6 x 14din 6921 hex flange bolt serrated9,500
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6 x 12din 6921 hex flange bolt serrated60,980
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6 x 35din 6921 hex flange bolt serrated5,000
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6 x 40din 6921 hex flange bolt serrated1,000
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6 x 20din 6921 hex flange bolt serrated38,012
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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.)PlainM6 x 16din 6921 hex flange bolt serrated11,789
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6 x 10din 6921 hex flange bolt serrated56,270
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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.)PlainM6 x 50din 6921 hex flange bolt serratedstock
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8 x 50din 6921 hex flange bolt serrated2,000
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8 x 16din 6921 hex flange bolt serrated5,000
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM10 x 20din 6921 hex flange bolt serratedstock
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8 x 12din 6921 hex flange bolt serrated1,500
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EndriesWIFlange Screw w serr. (Whiz-Lock eq.)Class 10.9PlainM20 x 40M20x40 class 10.9 hex serrated flange bolt plain din 6921425
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EndriesWIFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM8-1.25 x 40M8-1.25x40 hex serr flange c/s cl8.8 zinc din 69211000
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EndriesWIFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/YellowM8 x 40M8x40 class 8.8 serrated hex flange bolt yellow zinc din 6921794
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EndriesWIFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM5 x 8M5x8 class 8.8 hex serrated flange screw trivalent clear zinc din 6921500
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EndriesWIFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM5 x 16M5x16 class 8.8 hex serrated flange full thread screw trivalent clear zinc din 69213595
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GLFOHFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM8-1.25 x 16M8-1.25x16 serr hex flange screw cl 8.8 stl zc din 6921 () () ()5000
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GLFOHFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/ClearM8-1.25 x 20M8-1.25x20 serr hex flange bolt cl 10.9 stl zc din 6921 () () ()472
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GLFOHFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM5-0.80 x 8M5-0.8x8 serr hex flange screw cl 8.8 stl zc din 6921 ()59555
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EndriesWIFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM8 x 10M8x10 class 8.8 serrated hex flange bolt trivalent clear zinc din 692168670
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AspenPAFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM10-1.50 x 80m10-1.5 x 80mm, din 6921, metric, flange bolts, locking serrations, full thread, a2 stainless steel200
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EndriesWIFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM6 x 16M6x16 class 8.8 serrated hex flange screw trivalent clear zinc din 6921600000
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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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GLFOHFlange Screw w serr. (Whiz-Lock eq.)316, 317, A4 StainlessPlainM5-0.80 x 8M5-0.8x8 serr hex flange screw 316 s/s din 6921 () () ()16482
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM12 x 50m12 x 50 din 6921 8.8 zinc plated serrated hex head flange screwinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 10.9PlainM8 x 35m8 x 35 din 6921 10.9 plain finish serrated hex head flange screwinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM4 x 12m4 x 12 din 6921 a2 stainless steel serrated hex head flange screwinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM10 x 50m10 x 50 din 6921 8.8 zinc plated serrated hex head flange screwinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/ClearM8 x 12m8 x 12 din 6921 serrated class 100 zinc plated hex head flange screw with serrationsinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 9.8PlainM10 x 17m10 x 17 din 6921 9.8 plain finish hex head flange screw with serrationsinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 8.8PlainM8 x 35m8 x 35 din 6921 8.8 plain finish serrated hex head flange screwinquire
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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/ClearM8 x 30m8 x 30 din 6921 8.8 zinc plated serrated hex head flange screwinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM10 x 45m10 x 45 din 6921 a2 stainless steel serrated hex head flange screwinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6 x 30/30m6 x 30/30 din 6921 a2 stainless steel full thread serrated hex head flange screwinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6 x 35/35m6 x 35/35 din 6921 a2 stainless steel full thread serrated hex head flange screwinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM12 x 35m12 x 35 din 6921 8.8 zinc plated serrated 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 70m8 x 70 din 6921 a2 stainless steel serrated hex head flange screw partial threadinquire
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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.)PlainM10 x 80/80m10 x 80/80 din 6921 a2 stainless steel serrated hex head flange screwinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM12 x 40/40m12 x 40/40 din 6921 a2 stainless steel full thread serrated hex head flange screwinquire
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EurolinkSCFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/ClearM8 x 16M8x16 10.9 zinc plated 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.)PlainM8 x 45M8x45 a2 18-8 304 steel 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.)PlainM8 x 25M8x25 a2 18-8 304 steel serrated hex head flange screw din 6921inquire
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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 9.8PlainM5-0.80 x 16serrated hex fl/b din 6921350
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Alma BoltMIFlange Screw w serr. (Whiz-Lock eq.)Class 9.8PlainM8-1.25 x 16serrated hex fl/b class 90 din 6921272
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Alma BoltMIFlange Screw w serr. (Whiz-Lock eq.)Class 9.8PlainM8-1.25 x 40serrated hex fl/b class 90 din 6921445
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Alma BoltMIFlange Screw w serr. (Whiz-Lock eq.)Class 8.8PlainM8-1.25 x 50serrated hex fl/b din 69211296
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IRFNJFlange Screw w serr. (Whiz-Lock eq.)Class 9.8Zinc/ClearM8-1.25 x 12fl/b with serrations cl 90 din 69215,501
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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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HBBOLTCAFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM8-1.25 x 20hex flange serrated zn 13 13 din 6921625
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WDMBIAFlange Screw w serr. (Whiz-Lock eq.)Class 9.8PlainM8 x 12scr flange serrated si. cl90 (a2k) m8x12 din 6921 (W000)1,200
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WDMBIAFlange Screw w serr. (Whiz-Lock eq.)Class 8.8PlainM10 x 20screw flange serrated si. 8.8 (a2k) m10x20 din 6921 (W040)2,500
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WDMBIAFlange Screw w serr. (Whiz-Lock eq.)Class 8.8PlainM10 x 55screw flange serrated si 8.8 (a3c) m10x55 din 692150
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WDMBIAFlange Screw w serr. (Whiz-Lock eq.)Class 8.8PlainM10 x 16screw flange serrated si 8.8 (a3c) m10x16 din 6921 (W050) (W050)2,000
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WDMBIAFlange Screw w serr. (Whiz-Lock eq.)Class 8.8PlainM10 x 30screw serrated si. 8.8 (a3c) m10x30 din 6921 (W050) (W050)13,500
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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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IRFNJFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/ClearM8-1.25 x 60fl/b serr cl 10.9 stl per f/t nickel clear & patch din 69217900
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Lubker DiPAFlange Screw w serr. (Whiz-Lock eq.)Class 10.9PhosphateM8-1.25 x 30M8x1.25x30 hex flange bolt ( serrations) prop cl 10.9 blk phos din 69211026
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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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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.)PlainM8 x 30M8x30 a2 18-8 304 steel 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.)PlainM8 x 50M8x50 a2 18-8 304 steel 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.)PlainM6 x 35m6 x 35 din 6921 a2 stainless steel serrated hex head flange screwinquire
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IRFNJFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM8-1.25 x 20fl/b with serrations cl 8.8 nickel clear & bake din 692111311
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IRFNJFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM8-1.25 x 20fl/b with serrations cl 8.8 nickel clear & bake din 692111311
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FastWareSaskFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/YellowM8-1.25 x 16hex fl/b serrations f/t din 69214,573
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FastWareSaskFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/YellowM6-1.00 x 16hex fl/b serrations f/t din 69213,001
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FastWareSaskFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/YellowM10-1.50 x 30hex fl/b serrations din 69212,273
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FastWareSaskFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/YellowM20-2.50 x 70hex fl/b serrations 46 thread length din 69212,460
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FastWareSaskFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/YellowM8-1.25 x 45hex fl/b serrations f/t din 69211,200
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FastWareSaskFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/YellowM6-1.00 x 12hex fl/b serratons din 69211,870
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FastWareSaskFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/YellowM10-1.50 x 20hex fl/b serrations f/t din 6921188
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FastWareSaskFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/YellowM10-1.50 x 40hex fl/b serrations din 692189
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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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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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MTPCAFlange Screw w serr. (Whiz-Lock eq.)Class 10.9Zinc/ClearM10-30din 6921 flange bolts serratedstock
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MTPCAFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM8-65m8 x 65 din 6921-8.8 zn hex hd flange bolts -serrstock
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WurthINFlange Screw w serr. (Whiz-Lock eq.)Class 8.8Zinc/ClearM8 x 20m8 x 20 hex flange bolt serrated pc 8.8 zinc plated din 692143,700
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