S-93413A250 0.344" ID x 1.25" OD Oversized Washers

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black corrosion-resistant-coated steel, ideal for humid or harsh industrial environments.
• Precise dimensional fit with 0.344" inner diameter and 1.25" outer diameter, ensuring reliable load distribution for 5/16" screws.
• Durable construction using Grade 2 steel, providing consistent strength and longevity in demanding applications.
• Versatile thickness range from 0.051" to 0.084", accommodating various assembly tolerances without compromising performance.
• Compliance with environmental standards, including RoHS 3 and REACH, ensuring safe and sustainable use in global markets.
• Broad compatibility with inch-system fasteners, simplifying procurement and integration into existing industrial setups.
• Cost-effective reliability by reducing maintenance needs and replacement frequency in heavy-duty operations.

Professional Applications & Engineering Value

This 5/16" flat washer is engineered to address common industrial challenges, such as fastener loosening and surface damage under high stress. Made from black corrosion-resistant-coated steel, it effectively combats rust and degradation in demanding environments like outdoor machinery, automotive assemblies, and construction frameworks. The precise 0.344" ID and 1.25" OD ensure optimal load distribution, preventing bolt head embedment and extending the lifespan of connected components. By incorporating Grade 2 strength and inch-system compliance, this washer supports reliable performance in heavy-duty applications, reducing downtime and maintenance costs while meeting strict industry standards for safety and efficiency.

Specification Summary & Compliance

This flat washer adheres to inch-system measurements with an inner diameter of 0.344", outer diameter of 1.25", and thickness ranging from 0.051" to 0.084", designed for screw size 5/16". It conforms to Grade 2 fastener strength standards and is manufactured from black corrosion-resistant-coated steel. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory alignment for industrial use.