Yellow Zinc DIN6921 Flange Bolts
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High Quality Grade 4.8 8.8 10.9 12.9 Yellow Zinc DIN6921 Flange Bolts
A flange bolt is a threaded fastener with a built-in, wide, flat flange (a circular or hexagonal rim) beneath its head, replacing the need for a washer. The flange distributes pressure, prevents component damage, and boosts stability. Driven by tools like wrenches, it’s widely used in piping, machinery, and automotive fields, often made of steel or stainless steel.
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