S-91202A224 3.6 mm ID x 6.7 mm OD DIN 127B Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance due to the split lock design that maintains tension under dynamic loads, preventing screw loosening in high-stress environments.
• Enhanced durability and corrosion protection from zinc-plated steel construction, ensuring long service life in industrial conditions.
• Reliable hardness performance with Rockwell C44 rating, providing consistent spring action and resistance to deformation under pressure.
• Precise fit for M3.5 screws with 3.6mm inner diameter and 6.7mm outer diameter, ensuring easy installation and secure fastening.
• Compliance with DIN 127B standard guarantees dimensional accuracy and interchangeability, reducing assembly errors and improving efficiency.
• Environmental and safety adherence through RoHS 3 and REACH compliance, making it suitable for regulated industries and global supply chains.
• Cost-effective maintenance solution by minimizing downtime and replacement needs in machinery and equipment applications.

Professional Applications & Engineering Value

This M3.5 split lock washer is engineered to address common industrial challenges such as vibration-induced fastener failure and corrosion in harsh environments. Made from zinc-plated steel, it offers excellent anti-corrosion properties, while the split lock design and Rockwell C44 hardness ensure it maintains clamping force under constant motion or thermal cycling. Ideal for applications in automotive assembly, electronic enclosures, and heavy machinery, this washer provides reliable performance where metric standard fasteners are critical. By conforming to DIN 127B, it delivers consistent quality, reducing the risk of assembly issues and enhancing the longevity of M3.5 screw connections in demanding settings.

Specification Summary & Compliance

This washer meets DIN 127B specifications for dimensional accuracy, including an ID of 3.6 mm, OD of 6.7 mm, and thickness of 0.7-0.9 mm, ensuring precise fit and function. It is manufactured from zinc-plated steel with a hardness of Rockwell C44, providing reliable spring action and resistance to wear. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) confirms it is free from hazardous substances, making it suitable for various industrial and international applications.