S-7508N13 0.281" ID x 0.75" OD Tab Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance with the tab lock design that prevents loosening under dynamic loads
• Excellent corrosion resistance from 18-8 stainless steel construction, ideal for harsh or humid environments
• Precise dimensional fit with 0.281" ID and 0.75" OD ensuring proper alignment and secure fastening for 1/4" screws
• Reliable performance in demanding applications thanks to the 0.036" thickness providing consistent locking force
• Environmental compliance assurance with REACH (EC 1907/2006) compliance for safe use in regulated industries
• Durable material properties offering good strength and longevity without requiring additional coatings
• Easy installation and removal with the tab lock feature allowing for quick maintenance and adjustments

Professional Applications & Engineering Value

This tab lock washer is engineered to address critical vibration-induced loosening in industrial machinery, automotive assemblies, and electrical enclosures. The 18-8 stainless steel material provides inherent corrosion resistance, making it suitable for outdoor or chemically exposed settings where rust compromise is a concern. With its specific 0.281" ID and 0.75" OD, it ensures a snug fit on 1/4" screw applications, distributing load evenly and maintaining clamp force under thermal cycling and mechanical stress. The tab lock mechanism offers a cost-effective alternative to chemical threadlockers, enabling reusable, maintenance-friendly vibration resistant fastening solutions in conveyor systems, motor mounts, and structural frameworks.

Specification Summary & Compliance

This washer features inch system dimensions: 0.281" inner diameter, 0.75" outer diameter, and 0.036" thickness, designed for use with 1/4" screws. Manufactured from 18-8 stainless steel, it complies with REACH (EC 1907/2006) regulations (as of 01/17/2022, 223 SVHC), ensuring adherence to environmental and safety standards for industrial components. The tab lock design follows common locking washer principles for secure fastening in mechanical assemblies.