S-97416A127 0.406" ID x 0.812" OD ASME B18.21.1 SAE Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide steel finish for extended service life in harsh industrial environments
• Precise dimensional accuracy with 0.406" ID and 0.812" OD ensures perfect fit for 3/8" screws and uniform load distribution
• Enhanced durability through quality steel construction that withstands repeated assembly and disassembly cycles
• Industry-standard compliance with ASME B18.21.1 specifications guarantees consistent performance and interchangeability
• Environmental responsibility with full RoHS 3 and REACH compliance for sustainable manufacturing operations
• Versatile thickness range (0.051-0.080") accommodates various gapping and tension requirements in mechanical assemblies
• Reliable fastening performance that prevents loosening and protects surfaces from damage during torque application

Professional Applications & Engineering Value

These SAE flat washers deliver exceptional engineering value in demanding industrial applications where corrosion resistance and dimensional precision are critical. The black-oxide steel construction provides superior protection against rust and oxidation, making them ideal for automotive assemblies, machinery manufacturing, and outdoor equipment where environmental exposure is a concern. The precise 0.406" ID x 0.812" OD dimensions ensure optimal load distribution for 3/8" screws, preventing surface damage and maintaining joint integrity under vibration and dynamic loads. Engineered to ASME B18.21.1 standards, these washers offer reliable performance in heavy-duty fastening systems, electrical enclosures, and mechanical linkages where consistent thickness and flatness are essential for proper function and safety compliance.

Specification Summary & Compliance

This SAE flat washer features precise dimensional specifications including 0.406" inner diameter, 0.812" outer diameter, and thickness ranging from 0.051" to 0.080" for optimal performance with 3/8" screw sizes. Manufactured in compliance with ASME B18.21.1 standards, ensuring dimensional accuracy and mechanical properties for industrial applications. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations (updated January 17, 2023, covering 233 SVHC substances), confirming environmental responsibility and regulatory adherence for global industrial use.