S-90073A243 0.766" ID x 1.105" OD ASME B18.21.1 Split Lock Washers for Socket Head Screws

Key Features & Benefits at a Glance

• Superior vibration resistance due to the split lock design, preventing loosening in high-stress industrial applications.
• Exceptional durability with a Rockwell C38 hardness, ensuring long-term performance under heavy loads.
• Precise fit for 3/4" screws with a 0.766" ID, providing secure fastening and reducing assembly errors.
• Robust construction from high-quality steel, offering reliable strength and corrosion resistance in demanding environments.
• Compliance with ASME B18.21.1 standards, guaranteeing consistent quality and interchangeability in engineering projects.
• Environmental responsibility with RoHS 3 and REACH compliance, meeting strict regulatory requirements for safe use.
• Optimized dimensions (1.105" OD and 0.218" thickness) for easy installation and enhanced load distribution.

Professional Applications & Engineering Value

This steel split lock washer is engineered to address common industrial challenges such as vibration-induced fastener failure and assembly instability. Crafted from high-strength steel with a Rockwell C38 hardness, it maintains integrity under repetitive stress, making it ideal for heavy machinery, automotive systems, and construction equipment. The split lock design applies continuous spring tension, effectively resisting loosening in dynamic environments. By adhering to the ASME B18.21.1 standard, it ensures precise thread engagement and reliability in inch system applications, reducing maintenance downtime and enhancing operational safety. Its compliance with RoHS and REACH further supports sustainable manufacturing practices, providing a dependable locking solution for engineers and procurement specialists.

Specification Summary & Compliance

This split lock washer features precise dimensions including an ID of 0.766", OD of 1.105", and thickness of 0.218", designed for use with 3/4" screws in inch-based systems. It conforms to the ASME B18.21.1 manufacturing standard, ensuring consistent quality and performance. Additionally, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to environmental and safety requirements.