Bowmalloy KP80414 Sae Uss Flat Washer 3/8 Inch

Product Description

The BOWMALLOY KP80414 is a 3/8 inch SAE and USS flat washer made from Grade 9 carbon steel with a clear zinc chromate finish. It is used to distribute load under bolt heads and nuts, protecting mating surfaces and reducing the risk of fastener pull-through. The washer measures 0.396 inches inside diameter, 0.812 inches outside diameter, and 0.078 inches thick. The clear zinc chromate finish provides corrosion resistance for general-purpose indoor and light-duty outdoor applications. Sold individually with a minimum order quantity of 100 pieces, this washer meets ASTM F436 fastener standards.

This flat washer is suited for use in structural, mechanical, and general assembly applications across the plumbing, HVAC, electrical, and construction trades. It fits 3/8 inch fasteners and is appropriate for both SAE and USS standard applications. The ASTM F436 rating makes it a dependable choice for structural connections where load distribution and surface protection are required. Licensed tradespeople and assembly technicians working with 3/8 inch hardware will find this washer a straightforward, code-appropriate choice.

Key Features

• Dual SAE and USS washer type rating for broad application compatibility
• Grade 9 carbon steel construction for strength and durability
• Clear zinc chromate finish for corrosion resistance
• Meets ASTM F436 fastener standard
• Inside diameter of 0.396 inches fits standard 3/8 inch fasteners
• Outside diameter of 0.812 inches provides effective load distribution

Compatibility

Designed as an OEM-style flat washer for use with 3/8 inch screws and bolts in standard SAE and USS fastener applications.

Installation Notes

Installation is performed by licensed tradespeople or qualified assemblers working with 3/8 inch fasteners. Always ensure the fastener and washer are properly aligned before tightening to avoid skewing or uneven load distribution. Inspect washers for deformation or coating damage before use. Follow applicable building codes and fastener torque specifications provided by the fastener manufacturer or project engineer.