Value Collection 31374 Sae Flat Washer No. 10 Steel Zinc

Product Description

The VALUE COLLECTION 31374 is a No. 10 screw SAE flat washer manufactured from steel with a zinc-plated finish. Flat washers distribute load across a fastener bearing surface, reducing the risk of pull-through and surface damage in bolted connections. The SAE standard specifies tighter dimensional tolerances and a smaller outer diameter relative to the screw size compared to USS series washers, making this washer well suited for precision fastening applications. Key dimensions are 7/32 inches inside diameter, 1/2 inch outside diameter, and 3/64 inches thickness. The zinc plating provides a baseline level of corrosion resistance for general indoor and light outdoor service.

This washer is used across a wide range of trade and light industrial assembly applications including HVAC equipment panels, electrical enclosures, plumbing fixture mounting, and general mechanical assembly. It is appropriate for use anywhere a No. 10 machine screw, bolt, or self-tapping screw is installed and a larger bearing surface is needed to protect the substrate or distribute clamp load. This part is sold individually but requires a minimum order quantity of 500 pieces.

Key Features

• SAE specification for consistent inside and outside diameter tolerances on No. 10 screw hardware
• Steel construction provides reliable tensile strength for general fastening service
• Zinc-plated finish delivers baseline corrosion resistance for indoor and light outdoor environments
• 7/32 inches inside diameter sized for No. 10 screws and bolts
• 1/2 inch outside diameter distributes clamp load over a wider bearing surface
• 3/64 inches thickness keeps stack height minimal in tight assemblies

Compatibility

Designed for use with No. 10 machine screws, bolts, and self-tapping screws in SAE inch-measurement fastening applications across HVAC, electrical, plumbing, and general mechanical assemblies.

Installation Notes

Install using standard hand tools appropriate for the fastener type. Ensure the washer seats flat against the substrate before torquing the fastener to avoid uneven load distribution. For outdoor or high-moisture environments, evaluate whether the zinc-plated finish provides adequate corrosion resistance for the service condition or if a stainless steel alternative is required. Always follow applicable mechanical and electrical codes when installing fasteners in regulated systems.