IFI 538 Metric Heavy Hex Flange Screw 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

Search thousands of US/Imperial fasteners by IFI specification, including IFI 538 Non-Serrated Flange Screw, in the FCH Sourcing Network database of first-run, surplus, odd lot, slow-moving and hard to find fasteners.

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
IFI 538 Non-Serrated Flange Screw by Metric Sizes

Non-Serrated Flange Screw are available on the FCH Network with metric diameters that range from M6 to M6, and with metric lengths that range from 40mm to 40mm.

Click on the metric diameters or lengths below to view, or
Shop All IFI 538 Non-Serrated Flange Screw
Metric Diameters
Metric Lengths
IFI 538 Non-Serrated Flange Screw by Materials

IFI 538 Non-Serrated Flange Screw are available on the FCH Network in materials that range from Class 10.9 to Class 10.9.

Click on the materials below to view or Shop All IFI 538 Non-Serrated Flange Screw
IFI 538 Non-Serrated Flange Screw by Coatings/Finishes

IFI 538 Non-Serrated Flange Screw are available on the FCH Network in finishes or coatings that range from Plain to Phosphate.

Click on the finishes below to view or Shop All IFI 538 Non-Serrated Flange Screw