S-93413A230 0.281" ID x 1.25" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion protection with black-coated steel construction for extended service life in demanding environments
• Precise dimensional fit with 0.281" ID specifically engineered for 1/4" screw applications
• Enhanced load distribution through 1.25" OD design that minimizes surface pressure and material stress
• Grade 2 strength classification providing reliable mechanical performance for general industrial applications
• Consistent thickness control (0.051-0.084") ensuring uniform clamping force and vibration resistance
• Full regulatory compliance with RoHS 3 and REACH standards for global market acceptance
• Inch system compatibility designed for seamless integration with existing North American equipment and specifications

Professional Applications & Engineering Value

These black corrosion-resistant steel flat washers deliver exceptional value in industrial settings where moisture, chemicals, and environmental factors threaten fastener integrity. The specialized corrosion-resistant coating provides a durable barrier that significantly extends service life compared to uncoated alternatives, reducing maintenance frequency and replacement costs. Engineered with precise 0.281" ID for 1/4" screws, these washers ensure perfect fitment while the generous 1.25" OD distributes clamping force over a wider area, preventing surface damage and maintaining joint integrity under vibration and dynamic loads. Ideal for outdoor equipment, machinery assemblies, and structural applications where Grade 2 strength meets performance requirements without unnecessary over-engineering.

Specification Summary & Compliance

This flat washer features inch system dimensions with internal diameter of 0.281", external diameter of 1.25", and thickness ranging 0.051-0.084". Manufactured from black corrosion-resistant coated steel meeting Grade 2 strength classification. Product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and unrestricted use in industrial markets worldwide.