A split lock washer, also known as a helical lock washer, is a coiled, hardened, split circular washer with a slightly trapezoidal wire section. A split lock washer applies greater bolt tension per unit of applied torque and provides a hardened bearing surface, creating more uniform torque control. Split lock washers provide uniform load distribution, and resist loosening caused by vibration and corrosion. Available and ready-to-ship in a variety of sizes and finishes. Browse our selection of split lock washers for your building projects and industrial applications.
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Heavy Split Lock Washers: Similar to a regular split lock washer, but with a greater outside diameter and thickness. The increased bearing area makes this suitable for applications involving higher tightening torques.
High Collar Split Lock Washers: A Hi-Collar washer is thicker and has a smaller outside diameter than a regular split lock washer. Designed for use with smaller head screws, particularly sockets.
Medium (Regular) Split Lock Washers: The most commonly used split lock washer. Used for general purpose applications and is the preferred lock washer for use with hardened bearing surfaces.