S-91235A312 16.1 mm ID x 38.7 mm OD Heavy-Vibration-Resistant Spring Lock Washers

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 17-7 PH Stainless Steel construction, ideal for harsh industrial environments
• Superior spring tension retention maintains reliable locking force under vibration and dynamic loads
• Optimized dimensional precision with 16.1mm ID and 38.7mm OD ensures perfect fit for M16 fasteners
• Enhanced durability with Rockwell C38 hardness providing excellent wear resistance and long service life
• Full regulatory compliance with RoHS 3 and REACH standards for safe use in global markets
• Effective vibration resistance through spring lock design that prevents fastener loosening in demanding applications
• Heavy-duty performance with 3.8mm thickness and 5.7mm overall height for high-load capacity

Professional Applications & Engineering Value

This 17-7 PH Stainless Steel Spring Lock Washer delivers critical engineering solutions where vibration resistance and corrosion protection are paramount. The spring lock design creates constant tension that prevents fastener loosening in heavy machinery, automotive assemblies, and industrial equipment exposed to constant motion. The M16 size compatibility with precise 16.1mm ID ensures perfect fitment in structural applications, while the 17-7 PH stainless steel material offers exceptional stress corrosion cracking resistance in chemical processing, marine, and outdoor environments. This combination of spring tension retention and material properties solves common industrial challenges of fastener failure, maintenance downtime, and equipment reliability in demanding operating conditions.

Specification Summary & Compliance

This spring lock washer features precision dimensions including 16.1mm internal diameter, 38.7mm outer diameter, 3.8mm thickness, and 5.7mm overall height, engineered for M16 screw applications. Manufactured to exacting standards with Rockwell C38 hardness for consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial use across global markets.