DIN 6921 Non-Serrated Hex Flange Screw Frame Bolt by Material, Finish and Size

Frame Bolts are hex washer head bolts with a flat washer bearing surface. They are made from high-alloy steel, and commonly used on truck frames, hence the name frame bolt. The flange eliminates the need for washers. They are covered under ASME Standard B18.2.1

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Hex Flange Screws are a form of hex head bolt with a wider flange under the head. The circular flange under the head serves as a washer spreading the load and providing nearly four times the bearing area of a regular hex screw. Flange bolts are commonly used in the frames of vehicles, especially trucks. Non-serrated flange bolts are most commonly used.
Common applications of Non-Serrated Flange Screw are:

  • • Automotive
  • • Plumbing
  • • Electronics
DIN 6921 Non-Serrated Flange Screw by Metric Sizes

Non-Serrated Flange Screw are available on the FCH Network with metric diameters that range from M3 to M24, and with metric lengths that range from 3mm to 210mm.

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DIN 6921 Non-Serrated Flange Screw by Materials

DIN 6921 Non-Serrated Flange Screw are available on the FCH Network in materials that range from Steel to Titanium.

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DIN 6921 Non-Serrated Flange Screw by Coatings/Finishes

DIN 6921 Non-Serrated Flange Screw are available on the FCH Network in finishes or coatings that range from Plain to Phosphate.

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