S-91434A415 0.594" ID x 1.156" OD ASME B18.21.1 SAE Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with black protective coating extends service life in harsh industrial environments
• Precision dimensional accuracy with 0.594" ID and 1.156" OD ensures perfect fit for 9/16" fasteners
• Enhanced load distribution across wider surface area reduces stress concentration on assembled components
• Industry-standard compliance with ASME B18.21.1 guarantees consistent quality and interchangeability
• Environmental regulation adherence through RoHS 3 and REACH compliance for global supply chain compatibility
• Robust steel construction provides reliable performance in heavy-duty mechanical applications
• Versatile thickness range (0.074-0.121") accommodates various clamping requirements and surface irregularities

Professional Applications & Engineering Value

This SAE flat washer delivers exceptional engineering value through its black corrosion-resistant coated steel construction, specifically designed to combat degradation in demanding industrial settings. The precise 0.594" ID and 1.156" OD dimensions ensure optimal load distribution while preventing fastener embedment in soft materials. Engineered to ASME B18.21.1 specifications, these industrial washers maintain consistent performance in machinery assembly, structural steel connections, and automotive applications where vibration resistance and surface protection are critical. The corrosion-resistant coating significantly extends service life in environments exposed to moisture, chemicals, and atmospheric elements, reducing maintenance frequency and replacement costs.

Specification Summary & Compliance

Manufactured to exact ASME B18.21.1 dimensional standards with 0.594" inner diameter and 1.156" outer diameter specifications. Constructed from black corrosion-resistant coated steel with thickness ranging from 0.074" to 0.121". Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across global industrial markets. Designed specifically for 9/16" screw size applications in inch measurement systems.