S-91202A115 33.5 mm ID x 55.2 mm OD DIN 127B Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance prevents fastener loosening in high-stress applications, ensuring long-term assembly integrity.
• Zinc-plated steel construction offers excellent corrosion resistance, extending service life in harsh industrial environments.
• Precise Rockwell C44 hardness provides reliable spring action and durability under repeated loading.
• Compliance with DIN 127B standards guarantees dimensional accuracy and consistent performance in metric assemblies.
• Optimized split lock design allows for easy installation and effective locking on M33 screw sizes.
• RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence for global supply chains.
• Heavy-duty 5.8-6.2 mm thickness delivers robust load distribution and resistance to deformation.

Professional Applications & Engineering Value

This M33 split lock washer is engineered to address critical challenges in industrial settings, such as vibration-induced fastener failure and corrosion. Made from zinc-plated steel, it provides a protective barrier against moisture and chemicals, ideal for machinery, automotive, and construction applications. The DIN 127B standard ensures precise fit with M33 screws, while the split design exerts continuous tension to maintain bolt preload. This reduces maintenance needs and downtime, offering reliable performance in heavy-duty fastening systems where safety and longevity are paramount.

Specification Summary & Compliance

This washer meets DIN 127B specifications with an ID of 33.5 mm, OD of 55.2 mm, and thickness of 5.8-6.2 mm, ensuring dimensional accuracy for metric system applications. It is manufactured from zinc-plated steel with a hardness of Rockwell C44 and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its suitability for environmentally conscious and regulated industries.