S-98437A210 1.024" ID x 1.478" OD ASME B18.21.1 Split Lock Washers for Socket Head Screws

Key Features & Benefits at a Glance

• Superior vibration resistance prevents fastener loosening in high-stress applications
• Excellent corrosion resistance from 18-8 stainless steel construction ensures long-term durability
• Precision dimensional accuracy with 1.024" ID and 1.478" OD provides perfect fit for 1" screws
• Enhanced mechanical strength with Rockwell C35 hardness maintains performance under heavy loads
• Industry-standard compliance with ASME B18.21.1 ensures reliable engineering performance
• Environmental regulation compliance with RoHS 3 and REACH meets global manufacturing standards
• Heavy-duty 0.25" thickness delivers maximum spring action and locking force

Professional Applications & Engineering Value

This 18-8 stainless steel split lock washer delivers critical vibration resistance in demanding industrial environments where fastener security is paramount. The standard split lock washer design creates continuous spring tension against both the bearing surface and fastener head, effectively preventing rotational loosening caused by machinery vibration, thermal cycling, or dynamic loads. Engineered with Rockwell C35 hardness, this washer maintains its mechanical properties under extreme conditions while the corrosion-resistant stainless steel material ensures reliable performance in harsh environments, including outdoor applications and chemical processing facilities. The precise 1.024" inner diameter and 1.478" outer diameter provide optimal fitment for 1" screw applications, making it ideal for heavy machinery, structural assemblies, and industrial equipment where vibration-induced failure is a constant concern.

Specification Summary & Compliance

This split lock washer features dimensional specifications of 1.024" ID, 1.478" OD, and 0.25" thickness, manufactured to exacting standards for 1" screw applications. The product conforms to ASME B18.21.1 standards for mechanical properties and dimensional requirements, ensuring consistent performance across industrial applications. Material certification includes 18-8 stainless steel composition with Rockwell C35 hardness verification. Regulatory compliance is confirmed with RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance as of June 14, 2023, meeting current environmental and safety regulations for industrial components.