Bowmalloy BOW500217 Sae Flat Washer 1/2 Inch Steel 200 Pack

Product Description

The BOWMALLOY BOW500217 is a 1/2 inch screw size SAE flat washer made from steel with a Bowma-Guard finish. It meets ASTM F436 fastener standards and carries a Rockwell hardness rating of C38-42, making it a heavy-duty option for structural and industrial fastening applications. With an inside diameter of 0.526 inches, an outside diameter of 1.063 inches, and a thickness of 0.134 inches, this washer provides consistent load distribution under bolt and nut bearing surfaces. Sold in a package quantity of 200, it suits contractors and tradespeople who need reliable, spec-grade hardware in volume.

This SAE flat washer is suited for structural steel connections, mechanical assemblies, and general construction fastening where ASTM F436 compliance is required. The Bowma-Guard finish provides corrosion resistance for installations in exposed or moderately harsh environments. Typical users include ironworkers, millwrights, mechanical contractors, and general construction trades working with 1/2 inch bolt patterns on steel-to-steel connections.

Key Features

• Meets ASTM F436 fastener standard for structural applications
• Rockwell hardness C38-42 for high-load bearing performance
• Bowma-Guard finish for corrosion resistance
• Inside diameter of 0.526 inches fits 1/2 inch screw size
• Outside diameter of 1.063 inches for broad load distribution
• Package quantity of 200 for high-volume job site use

Compatibility

Designed for use with 1/2 inch bolts and fasteners requiring ASTM F436 compliant SAE flat washers in structural and mechanical assemblies.

Installation Notes

Installation is performed by mechanical, structural, or general construction tradespeople working with 1/2 inch fastener systems. Ensure mating bolt and nut grades are compatible with ASTM F436 hardware requirements before assembly. Follow applicable structural codes and torque specifications defined by the project engineer or fastener manufacturer. Inspect washers for finish damage or deformation before use in load-bearing connections.