S-93849A109 17 mm ID x 28 mm OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh or humid environments.
• Precise dimensional fit with 17mm ID and 28mm OD, ensuring secure seating for M16 screws and uniform load distribution.
• Enhanced durability from Rockwell B83 hardness, providing reliable performance under mechanical stress and vibration.
• Consistent thickness (3.0-3.9mm) for uniform pressure application, reducing the risk of fastener loosening.
• Compliance with RoHS 3 and REACH standards, ensuring environmental safety and regulatory acceptance in global markets.
• Metric system compatibility for seamless integration with international engineering designs and equipment.
• Versatile industrial use in machinery, automotive, and construction, where reliability and longevity are critical.

Professional Applications & Engineering Value

This M16 metric flat washer in 18-8 stainless steel addresses common industrial challenges such as corrosion-induced failure and load instability. Its high corrosion resistance makes it suitable for outdoor, marine, or chemical-exposed applications, preventing rust and maintaining integrity. The precise 17mm inner diameter and 28mm outer diameter ensure a snug fit on M16 fasteners, distributing loads evenly to prevent surface damage and bolt loosening. With a Rockwell B83 hardness, it withstands repetitive stress in heavy-duty settings like assembly lines or structural frameworks, reducing maintenance needs. Engineers value its compliance with RoHS and REACH for sustainable projects, while the flat washer design supports efficient installation in automotive, machinery, and construction sectors, enhancing overall system reliability.

Specification Summary & Compliance

This washer features a 17mm inner diameter, 28mm outer diameter, and 3.0-3.9mm thickness with metric sizing for M16 screws. It meets standard dimensional tolerances for flat washers and is manufactured from 18-8 stainless steel with a Rockwell B83 hardness to ensure mechanical strength. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) as of January 17, 2023, confirming adherence to environmental and safety regulations for industrial use.