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4 inch length Serrated Hex Flange Screws

Serrated Hex Flange Screws, Serrated hex 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 
BrikksenFLHex Flange 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 18-8ssinquire
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BrikksenFLHex Flange 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 18-8ssinquire
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BrikksenFLHex Flange 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 18-8ssinquire
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BrikksenFLHex Flange 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 18-8ssinquire
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BrikksenFLHex Flange 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 18-8ssinquire
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BrikksenFLHex Flange 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 18-8ssinquire
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BrikksenFLHex Flange 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 18-8ssinquire
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BrikksenFLHex Flange 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 18-8ssinquire
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NutsBoltsNEHex Flange Screw w/ serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 45/16-18 x 4 whizbolt z5190
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XL ScrewGAHex Flange Screw w/ serr. (Whiz-Lock eq.)SteelZinc/Clear5/16-18 x 4serrated indented hex washer flange scr f/t h t zp300
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XL ScrewGAHex Flange Screw w/ serr. (Whiz-Lock eq.)SteelZinc/Clear3/8-16 x 4serrated indented hex washer flange scr f/t h t zp200
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WDMBIAHex Flange Screw w/ serr. (Whiz-Lock eq.)SteelPlain3/8-16 x 4e/scr flange unser 8 zf pat 3/8-16x4 drw (W020) (W020) (W020)40,350
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Delta SecondaryILHex Flange Screw w/ serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 4case hardened hex fl/b serrated2100
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Kanebridge ILHex Flange Screw w/ serr. (Whiz-Lock eq.)Grade 5Zinc/Clear3/8-16 x 43/8-16x4 serrate hex flange ft gr5 zinc6.250
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Kanebridge ILHex Flange Screw w/ serr. (Whiz-Lock eq.)Grade 5Zinc/Clear5/16-18 x 45/16-18x4 serrate hex flange ft gr5 zinc7.500
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Kanebridge ILHex Flange Screw w/ serr. (Whiz-Lock eq.)SteelZinc/Clear1/4-20 x 41/4-20x4 serrated hex flanged washer full thread screw case hard zinc & bake15,000
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Kanebridge ILHex Flange 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
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Kanebridge ILHex Flange Screw w/ serr. (Whiz-Lock eq.)SteelZinc/Clear3/8-16 x 43/8-16x4 serrated hex flanged washer full thread screw case hard zinc & bake6.250
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Kanebridge ILHex Flange Screw w/ serr. (Whiz-Lock eq.)SteelZinc/Clear1/2-13 x 41/2-13x4 serrated hex flanged washer full thread screw case hard zinc & bake3.750
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BoltCraftNEHex Flange Screw w/ serr. (Whiz-Lock eq.)SteelZinc/Clear1/2-13 x 41/2-13 x 4 iw x 7-1/2 il x 1-1/2 thread 1541 zinc plated square bend u-bolt w/ serrated flange hex lock nuts attachedinquire
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FastWareSaskHex Flange Screw w/ serr. (Whiz-Lock eq.)Grade 5Zinc/Yellow3/8-16 x 4nc serrated fl/b full body 1 1/2 tl5,754
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Wurth AdaMNHex Flange Screw w/ serr. (Whiz-Lock eq.)Grade 8Plain3/4-10 x 4scr hex flange unserrated grade 8 (pl) 3/4-10x4505
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Wurth AdaMNHex Flange Screw w/ serr. (Whiz-Lock eq.)Grade 8Zinc/Yellow5/8-11 x 4scr hex flange unserrated grade 8 (zy) 5/8-11x4225
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Wurth AdaMNHex Flange Screw w/ serr. (Whiz-Lock eq.)Grade 8Phosphate1/2-13 x 4scr hex flange unserrated grade 8 (po) 1/2-13x4357
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Wurth AdaMNHex Flange Screw w/ serr. (Whiz-Lock eq.)Grade 8Phosphate1/2-20 x 4scr hex flange unserrated grade 8 (po) 1/2-20x4225
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