S-94744A528 0.656" ID x 1.25" OD ASME B18.21.1 ASME Washers

Key Features & Benefits at a Glance

• Enhanced Load Distribution with 1.25" OD to prevent surface damage and maintain joint integrity under high stress.
• Superior Corrosion Resistance from zinc-plated steel coating, extending service life in harsh industrial environments.
• Reliable Grade 5 Strength ensuring consistent performance for medium to heavy-duty fastening applications.
• Precision Fit for 5/8" Screws with 0.656" ID, reducing installation errors and improving assembly efficiency.
• ASME B18.21.1 Compliance guaranteeing dimensional accuracy and interchangeability in standardized systems.
• RoHS 3 & REACH Compliant meeting strict environmental regulations for safe, sustainable use in global markets.
• Durable 0.090-0.112" Thickness providing optimal compression resistance and vibration dampening.

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these zinc-plated steel flat washers address critical challenges like bolt loosening and surface indentation. The Grade 5 material strength combined with a 1.25" outer diameter ensures even pressure distribution, protecting soft materials and reducing maintenance in machinery, structural assemblies, and automotive systems. The ASME B18.21.1 standard compliance guarantees precise thread fit for 5/8" screws, while the zinc plating offers a cost-effective barrier against rust in humid or outdoor settings. Ideal for heavy-duty fastening solutions requiring durability and regulatory adherence without compromising on performance.

Specification Summary & Compliance

This flat washer features an ID of 0.656", OD of 1.25", and thickness range of 0.090-0.112", manufactured to ASME B18.21.1 specifications for consistent dimensional accuracy in inch system applications. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are met for industrial use.