S-94744A515 0.203" ID x 0.406" OD ASME B18.21.1 ASME Washers

Key Features & Benefits at a Glance

• Enhanced corrosion resistance through zinc plating, extending service life in demanding industrial environments
• High-strength Grade 5 construction provides reliable load distribution and vibration resistance for critical applications
• Precise dimensional accuracy with 0.203" ID and 0.406" OD ensures perfect fit with No. 10 screws
• Consistent thickness control (0.036-0.045") guarantees uniform pressure distribution across fastened surfaces
• ASME B18.21.1 compliance ensures interchangeability and meets rigorous industrial standards
• Environmental regulation compliance with RoHS 3 and REACH for global market acceptance
• Versatile industrial application suitable for machinery, equipment assembly, and structural fastening systems

Professional Applications & Engineering Value

This Grade 5 zinc-plated steel flat washer delivers exceptional engineering value by addressing common industrial fastening challenges. The zinc plating provides superior corrosion protection, preventing galvanic reaction and extending component life in humid or chemically aggressive environments. Manufactured to ASME B18.21.1 specifications, these flat washers ensure precise dimensional consistency for reliable performance in No. 10 screw applications. The heavy-duty construction effectively distributes clamping force, preventing surface damage and maintaining joint integrity under vibration and dynamic loads. Ideal for industrial machinery, automotive assemblies, and structural frameworks, these washers provide the durability and compliance required for professional-grade fastening solutions.

Specification Summary & Compliance

This flat washer features precise dimensional specifications with 0.203" inner diameter, 0.406" outer diameter, and thickness ranging from 0.036" to 0.045". Manufactured in compliance with ASME B18.21.1 standards for dimensional accuracy and performance requirements. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations, ensuring environmental safety and market acceptability. Designed specifically for use with No. 10 screw sizes in inch measurement system applications.