S-94744A624 1.313" ID x 3" OD ASME B18.21.1 ASME Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc plating that protects against rust and extends service life in demanding environments
• Optimal load distribution thanks to the large 3" outer diameter that prevents surface damage and maintains joint integrity
• Precise fit and alignment with 1.313" inner diameter designed specifically for 1 1/4" screws, ensuring secure fastening
• Enhanced durability and strength from zinc-plated steel construction, built to withstand heavy mechanical stress
• Reliable performance compliance manufactured to ASME B18.21.1 standards for consistent quality and dimensional accuracy
• Environmental and safety assurance with full RoHS 3 and REACH compliance, meeting industrial regulatory requirements
• Versatile thickness range of 0.146-0.174" providing flexibility for various assembly tolerances and compression needs

Professional Applications & Engineering Value

These zinc-plated steel flat washers deliver critical engineering solutions for industrial applications where load distribution and corrosion resistance are paramount. The heavy-duty construction with precise 1.313" ID and 3" OD dimensions effectively prevents bolt head and nut embedding into soft materials, reducing surface damage and maintaining structural integrity. The zinc plating provides essential protection against moisture and chemical exposure, extending component life in harsh operating environments. Ideal for construction equipment, machinery assembly, structural frameworks, and industrial maintenance, these ASME B18.21.1 compliant washers ensure reliable performance in demanding 1 1/4" screw applications while meeting stringent industry standards for safety and durability.

Specification Summary & Compliance

Manufactured to ASME B18.21.1 standards with precise dimensional specifications: 1.313" inner diameter, 3" outer diameter, and thickness range of 0.146-0.174" for 1 1/4" screw applications. Full compliance with RoHS 3 (2015/863/EU) with exemption 6(a) for lead as an alloying element in steel, and REACH (EC 1907/2006) compliant with 233 SVHC as of 01/17/2023. These inch system washers provide consistent dimensional accuracy and material quality for industrial fastening requirements.