Description
Safety washers are critical fastener components that prevent bolt loosening under vibration and high-stress conditions—essential for any high-performance application where reliability can’t be compromised. The 7/16in. SW71A combines 4130 chromoly construction with precision engineering to deliver dependable clamping force retention across engine bay, chassis, and suspension assemblies. Whether you’re building a race engine or securing critical drivetrain components, this safety washer ensures your fasteners stay where you put them.
- 7/16 in. inner diameter
- 4130 chromoly construction
- Natural finish
- Sold individually
- Prevents bolt loosening
- High-vibration rated
