DIN 6921 - Hexagon flange bolts have a property of a washer like flange beneath the bolt head that speeds production time and distributes the clamping load, offering protection to the mating surface and designed for high strength applications as it has maximum load bearing capacity. This circular flange in the Flange Bolts eliminates the need to add another washer in the assembly.

Flange Bolts with serrations fit into the surface thereby reducing the fastener from becoming loose is used in various applications in automotive, plumbing including its use in vehicle frames.

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