S/S Flat Washer - 5/16 ID x .657 OD(1)

The S/S Flat Washer - 5/16 ID x .657 OD is a precision fastener component designed for various applications where reliable fastener integrity is essential. This stainless steel washer is suitable for use in automotive settings, but its versatility makes it applicable in other fields as well.

Manufactured from stainless steel, the S/S Flat Washer features a 5/16-inch inner diameter and .657-inch outer diameter, optimized to distribute bolt preload effectively. Its flat profile ensures full contact with component surfaces, preventing edge-loading and stress concentration that can occur with conventional washers.

This washer is relied upon by builders and mechanics for various fastening points, including cylinder head bolt patterns and intake manifold assembly. Its stainless construction provides corrosion resistance, making it suitable for environments exposed to moisture and heat.