S-98437A170 0.45" ID x 0.644" 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
• 18-8 stainless steel construction provides excellent corrosion resistance and durability
• Precision 0.45" ID and 0.644" OD dimensions ensure perfect fit for 7/16" screws
• Rockwell C35 hardness rating maintains structural integrity under heavy loads
• ASME B18.21.1 compliance guarantees consistent quality and performance standards
• RoHS 3 and REACH compliant meets environmental regulations for industrial use
• Standard split lock design offers reliable spring action and easy installation

Professional Applications & Engineering Value

This 18-8 stainless steel split lock washer delivers exceptional engineering value in demanding industrial environments where vibration resistance is critical. The split lock washer type standard design creates continuous spring tension that maintains clamping force, preventing fastener loosening in machinery, automotive assemblies, and heavy equipment. The 0.45" ID provides precise compatibility with 7/16" screw size fasteners, while the 18-8 stainless steel material ensures corrosion resistance in harsh operating conditions. This combination of precise dimensions, durable material, and effective locking mechanism solves common industrial challenges of fastener failure and maintenance downtime.

Specification Summary & Compliance

This split lock washer features precise inch system dimensions with 0.45" internal diameter, 0.644" outer diameter, and 0.140" thickness. Manufactured to ASME B18.21.1 specifications with Rockwell C35 hardness for consistent performance. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial applications.