S-94744A516 0.281" ID x 0.5" OD ASME B18.21.1 ASME Washers

Key Features & Benefits at a Glance

• Superior corrosion protection with zinc-plated steel construction, extending service life in demanding industrial environments
• Enhanced load distribution through precise 0.5" OD design, preventing surface damage and maintaining joint integrity
• Perfect fit for 1/4" fasteners with 0.281" ID, ensuring easy installation and optimal alignment
• Reliable Grade 5 performance providing consistent mechanical properties for medium-duty applications
• ASME B18.21.1 compliance guaranteeing dimensional accuracy and interchangeability across industrial systems
• Environmental regulation compliance meeting both RoHS 3 and REACH standards for global supply chain compatibility
• Durable 0.056-0.071" thickness offering stable bearing surface without adding unnecessary bulk

Professional Applications & Engineering Value

This Grade 5 zinc-plated steel flat washer addresses critical challenges in industrial assembly where corrosion and improper load distribution compromise joint reliability. The zinc plating creates a sacrificial barrier against oxidation, particularly valuable in environments with moisture or chemical exposure. Engineered to ASME B18.21.1 standards, these flat washers ensure precise dimensional consistency across batches, eliminating installation issues in high-volume manufacturing. The optimized 0.5" OD provides maximum surface coverage for 1/4" fasteners, preventing embedment in softer materials while maintaining clamp force. Ideal for machinery, structural frameworks, and electrical enclosures, these industrial washers deliver predictable performance in demanding inch system applications where replacement costs far exceed component value.

Specification Summary & Compliance

Manufactured to ASME B18.21.1 dimensional specifications with 0.281" inner diameter, 0.5" outer diameter, and 0.056-0.071" thickness range. Constructed from zinc-plated steel with Grade 5 mechanical properties. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring unrestricted use in global industrial markets. Designed specifically for 1/4" screw size applications in inch measurement systems.