S-98180A240 1.074" ID x 2.012" OD ASME B18.21.1 SAE Washers

Key Features & Benefits at a Glance

• Exceptional load distribution with 2.012" outer diameter to prevent surface damage and joint loosening under high stress
• Superior corrosion resistance through zinc-flake coating for extended service life in harsh industrial environments
• Guaranteed mechanical strength with Rockwell C38 hardness and Grade 8 classification for heavy-duty applications
• Precise dimensional accuracy with 1.074" inner diameter ensuring perfect fit for 1" fasteners
• Industry-standard compliance meeting ASME B18.21.1 specifications for reliable performance
• Enhanced durability with 0.136-0.177" thickness providing optimal compression resistance
• Environmental compliance with RoHS 3 and REACH regulations for safe global usage

Professional Applications & Engineering Value

This SAE Grade 8 flat washer delivers critical engineering solutions for industrial applications where fastener failure is not an option. The zinc-flake coated steel construction provides superior corrosion protection, significantly extending service life in demanding environments such as heavy machinery, construction equipment, and automotive assemblies. With its Rockwell C38 hardness and precise dimensional tolerances, this 1" washer maintains consistent clamping force distribution, preventing joint loosening and surface damage under extreme vibration and load conditions. The optimized thickness range ensures reliable performance in high-torque applications while the ASME B18.21.1 compliance guarantees interchangeability and predictable performance across industrial maintenance and manufacturing operations.

Specification Summary & Compliance

Manufactured to exacting ASME B18.21.1 standards with precise dimensional specifications: 1.074" inner diameter, 2.012" outer diameter, and 0.136-0.177" thickness range. The Grade 8 classification and Rockwell C38 hardness ensure consistent mechanical properties for high-strength applications. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms environmental safety and global market acceptance. Designed specifically for 1" fasteners in inch measurement systems, this flat washer delivers reliable performance in critical industrial fastening applications.