S-94744A502 0.281" ID x 0.734" OD ASME B18.21.1 ASME Washers

Key Features & Benefits at a Glance

• Superior load distribution with precise 0.281" ID and 0.734" OD dimensions for optimal surface contact and reduced material stress
• Exceptional corrosion resistance through zinc-plated steel construction, extending service life in harsh industrial environments
• Maximum durability with Rockwell C38 hardness rating, maintaining structural integrity under heavy loads and vibration
• Reliable high-strength performance meeting Grade 8 standards for demanding applications requiring superior fastener strength
• Industry-standard compliance with ASME B18.21.1 specifications ensuring dimensional accuracy and interchangeability
• Environmental responsibility through RoHS 3 and REACH compliance, meeting strict regulatory requirements for hazardous substances
• Versatile compatibility designed for 1/4" screw sizes with consistent 0.056-0.071" thickness for uniform clamping force

Professional Applications & Engineering Value

These Grade 8 zinc-plated steel flat washers deliver critical engineering solutions for industrial applications where fastener failure is not an option. The zinc-plated steel construction provides essential corrosion protection in manufacturing facilities, outdoor equipment, and marine environments, while the Rockwell C38 hardness ensures the washers maintain their shape under extreme pressure and vibration. The precise 1/4" internal diameter and 0.734" outer diameter create optimal load distribution, preventing surface damage and maintaining joint integrity in heavy machinery, structural steel connections, and automotive assemblies. Engineered to ASME B18.21.1 standards, these washers guarantee dimensional consistency and reliable performance in critical fastening systems where safety and durability are paramount.

Specification Summary & Compliance

Manufactured to exacting ASME B18.21.1 dimensional standards with internal diameter of 0.281", outer diameter of 0.734", and thickness range of 0.056-0.071" for consistent performance. These Grade 8 washers feature Rockwell C38 hardness and inch system measurements compatible with 1/4" fasteners. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations ensures safe use across global industrial markets.