Secure Your Assemblies Against Vibration
In the world of heavy-duty equipment, vibration is a constant enemy, relentlessly working to loosen critical nuts and bolts. The Buyers Products 1/4 Inch Split Lock Washer is a fundamental yet powerful solution designed to combat this issue head-on. Engineered to provide consistent spring tension, this small but mighty piece of hardware ensures your fasteners stay tight and secure, even in the most demanding high-vibration environments. Whether you’re assembling new equipment or performing essential maintenance, this split lock washer provides the peace of mind that comes from knowing your connections are built to last, preventing costly downtime and enhancing operational safety.
Engineered for Lasting Performance
The effectiveness of the FWL025050006 split lock washer lies in its simple, proven design. Also known as a helical spring washer, it is split in one spot and bent into a helix. This geometry allows it to exert a spring force between the fastener’s head and the substrate. When tightened, the washer flattens, and its sharp, hardened edges bite into both the nut/bolt head and the mounting surface. This dual-action mechanism—combining spring tension with mechanical grip—creates significant friction and resistance against counter-rotation, effectively locking the fastener in place and preventing it from backing out due to shock, vibration, or thermal cycling.
Durable Construction for Tough Jobs
Manufactured by Buyers Products, a leader in the truck equipment industry, this washer is built from high-quality, hardened steel for maximum strength and durability. To protect it from the harsh conditions it will inevitably face, it features a robust zinc-plated finish. This coating provides excellent corrosion and rust resistance, making it ideal for exterior applications and exposure to road salt, moisture, and other environmental aggressors. This durable construction ensures a long service life, making it a reliable component for a wide range of applications, from securing toolboxes and mounting brackets to assembling plows and spreaders. It’s a vital piece of hardware for maintaining equipment integrity, especially when used with genuine Buyers SaltDogg Parts that face the toughest winter conditions.
- Part Number: FWL025050006
- Washer Type: Split Lock Washer / Helical Spring Washer
- Nominal Size: 1/4 Inch
- Inside Diameter: Approximately 0.25 in.
- Outside Diameter: Approximately 0.50 in.
- Material: High-Strength Hardened Steel
- Finish: Zinc-Plated for Superior Corrosion Resistance
- Primary Function: Prevents nuts and bolts from loosening due to vibration and torque.
- Mechanism: Exerts spring force and bites into surfaces to lock fasteners in place.
- Applications: Ideal for automotive, industrial, marine, and heavy equipment use, including trucks, trailers, snow plows, salt spreaders, and more.
- Sold: Individually





