S-91235A616 8.2 mm ID x 16 mm OD Heavy-Vibration-Resistant Spring Lock Washers

Key Features & Benefits at a Glance

• Exceptional vibration resistance due to the spring lock design, preventing fastener loosening in high-stress environments
• Superior corrosion protection from the black-oxide finish on stainless steel, ideal for harsh or outdoor industrial settings
• Reliable hardness and durability with Rockwell C38 rating, ensuring long-term performance under repeated loads
• Precise metric sizing (M8) with 8.2mm ID, 16mm OD, and 0.6mm thickness for accurate fit and consistent clamping force
• Compliance with environmental regulations, meeting RoHS 3 and REACH standards for safe, sustainable use in global markets
• Reduced maintenance needs from the material's inherent strength and surface treatment, lowering lifecycle costs

Professional Applications & Engineering Value

This M8 spring lock washer is engineered to address critical challenges in industrial assembly, such as vibration-induced fastener failure and corrosion in demanding environments. The black-oxide stainless steel construction provides an added layer of defense against moisture, chemicals, and wear, making it suitable for automotive, machinery, and outdoor equipment applications. Its spring lock mechanism maintains tension under dynamic loads, reducing the risk of assembly loosening and enhancing safety. By combining precise metric dimensions with high Rockwell C38 hardness, this washer delivers consistent performance in vibration-resistant setups, ensuring reliability in sectors where equipment integrity is paramount.

Specification Summary & Compliance

The washer features an ID of 8.2 mm, OD of 16 mm, and thickness of 0.6 mm, designed for M8 screw sizes with metric system compatibility. It adheres to standard manufacturing tolerances for precise fit and function. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and suitable for industrial use worldwide.