S-94744A711 3.5 mm ID x 6.8 mm OD ASME B18.22M ASME Washers

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with zinc-plated steel construction for longer service life in harsh industrial environments.
• Precise dimensional fit with 3.5mm inner diameter and 6.8mm outer diameter ensuring reliable seating for M3 screws.
• Uniform load distribution across surfaces to prevent fastener loosening and material damage in mechanical assemblies.
• Compliance with ASME B18.22M standards guarantees consistent quality, interchangeability, and engineering reliability.
• REACH environmental compliance ensures safe usage without hazardous substances, meeting modern regulatory demands.
• Versatile thickness range (0.6-0.9mm) accommodates slight variations while maintaining effective spacing and alignment.
• Cost-effective industrial solution combining durable steel material with protective plating for extended maintenance intervals.

Professional Applications & Engineering Value

These M3 metric flat washers provide critical engineering value by addressing common assembly challenges in industrial settings. Made from zinc-plated steel, they offer superior corrosion protection, which is essential for machinery exposed to moisture or chemicals. The precise 3.5mm ID and 6.8mm OD dimensions ensure a snug fit with M3 fasteners, reducing the risk of vibration-induced loosening in mechanical and precision applications. By distributing clamp load evenly, these washers prevent surface damage to soft materials and maintain joint integrity. Their compliance with ASME B18.22M and REACH standards makes them ideal for OEM and MRO uses, from automotive components to electronic enclosures, where reliability and regulatory adherence are paramount.

Specification Summary & Compliance

This flat washer features a 3.5mm inner diameter, 6.8mm outer diameter, and 0.6-0.9mm thickness range, designed for M3 screw sizes. It conforms to ASME B18.22M dimensional and manufacturing specifications, ensuring high precision and interchangeability. The product is REACH (EC 1907/2006) compliant as of January 17, 2022, with no SVHC above threshold limits, supporting environmental and safety standards in global supply chains.