S-98035A108 15 mm ID x 25 mm OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide steel construction, extending service life in demanding environments
• Optimal load distribution with precise 15mm ID and 25mm OD dimensions, preventing surface damage and fastener loosening
• Enhanced vibration resistance through consistent 2.5-3.4mm thickness, maintaining joint integrity under dynamic loads
• High hardness rating of Rockwell 15N80 ensures dimensional stability and wear resistance under pressure
• Perfect compatibility with M14 screw sizes in metric assembly systems, ensuring seamless integration
• Regulatory compliance with RoHS 3 and REACH standards, meeting global environmental and safety requirements
• Versatile industrial application across machinery, automotive, and construction sectors requiring reliable fastening

Professional Applications & Engineering Value

These M14 flat washers deliver critical engineering value through their black-oxide steel composition and precision metric dimensions. The 15mm inner diameter and 25mm outer diameter create an optimal bearing surface that effectively distributes clamping force, preventing stress concentration and material deformation in assembled components. The black-oxide surface treatment provides essential corrosion protection for industrial environments exposed to moisture, chemicals, or outdoor conditions, significantly reducing maintenance frequency and replacement costs. These metric washers are engineered to maintain joint integrity in high-vibration applications such as heavy machinery, automotive assemblies, and structural frameworks, where consistent performance under dynamic loads is paramount. The combination of precise dimensional control and durable material properties makes them ideal for OEM manufacturing and maintenance operations requiring reliable fastening solutions that meet international standards.

Specification Summary & Compliance

This flat washer maintains precise metric dimensions with 15mm inner diameter, 25mm outer diameter, and 2.5-3.4mm thickness range, ensuring proper fit with M14 screw sizes. The black-oxide steel construction achieves Rockwell 15N80 hardness for consistent performance under load. Manufacturing complies with international metric standards for dimensional accuracy. Regulatory compliance includes RoHS 3 (2015/863/EU) with exemption 6(a) for lead as an alloying element in steel and full REACH (EC 1907/2006) compliance with the latest SVHC updates, ensuring environmental responsibility and global market acceptance.