Product Description
Helical Split Lockwasher — The RA 772-116 is a precision-engineered lockwasher designed to prevent bolt loosening under vibration and dynamic loading in electric lift truck assemblies. This direct replacement fastener features a helical split design that maintains consistent tension on bolted joints throughout equipment operation, reducing downtime from fastener failure. Available in spring steel with optional zinc plating for enhanced corrosion resistance, the RA 772-116 meets DIN 127 standards and covers metric sizes M3 through M72. Ideal for maintenance, repairs, and assembly work across electric pallet jacks, walkie trucks, and related material handling equipment in warehousing, logistics, and industrial environments.
Frequently Asked Questions
Q: What is a lockwasher and what does it do?
A: A lockwasher is a split-ring or helical washer that prevents bolted joints from loosening under vibration and dynamic loading. It is installed under a bolt head or nut to maintain fastener tension during equipment operation.
Q: What metric sizes does the RA 772-116 lockwasher cover?
A: The RA 772-116 is a standard DIN 127 compliant helical split lockwasher available in typical metric range M3 through M72, covering most fastener applications in electric lift truck assemblies.
Q: Is the RA 772-116 suitable for outdoor and wet storage environments?
A: The RA 772-116 is available in uncoated spring steel or zinc-plated finish. Zinc-plated versions provide corrosion resistance for outdoor and cold storage applications; specify plating preference when ordering.
Q: Which Raymond electric lift truck models use the RA 772-116 lockwasher?
A: The RA 772-116 is a universal OEM fastener component used across Raymond electric lift truck platforms wherever bolted joints require vibration resistance. Cross-reference your equipment documentation for specific application points.