Value Collection LWIS0560USA-100BX Split Lock Washer 100pk

Product Description

The VALUE COLLECTION LWIS0560USA-100BX is a 9/16 inch steel split lock washer designed to resist fastener loosening caused by vibration and dynamic loads. The helical split design bites into both the fastener bearing surface and the mating material when torqued, creating a spring-load that maintains clamp force over time. The washer features a zinc plated finish for basic corrosion resistance. With an inside diameter of 0.564 inches and an outside diameter ranging from 0.965 to 0.971 inches, it fits standard 9/16 inch fasteners. This box of 100 washers suits high-volume assembly and maintenance operations across mechanical, structural, and equipment installation work.

Split lock washers in this size range see use in general mechanical assemblies, equipment mounting, structural bolted connections, and industrial maintenance applications. Electricians, pipefitters, millwrights, and general maintenance technicians commonly use 9/16 inch lock washers when securing junction boxes, pipe hangers, equipment bases, and structural connections where vibration or thermal cycling could back out fasteners over time. The zinc plated steel construction suits indoor and light-duty outdoor applications where moderate corrosion resistance is acceptable.

Key Features

• Helical split design creates spring tension that resists fastener loosening under vibration
• Fits 9/16 inch screws and bolts with an inside diameter of 0.564 to 0.574 inches
• Outside diameter ranges from 0.965 to 0.971 inches for consistent bearing surface coverage
• Zinc plated steel finish provides basic corrosion protection for general service environments
• 0.141 inch thickness delivers reliable clamp load for standard hardware applications
• Sold in a box of 100 to support production, maintenance, and bulk fastener stocking

Compatibility

Designed for use with standard 9/16 inch fasteners in inch-system assemblies. Fits any application requiring a split lock washer with a 0.564 to 0.574 inch inside diameter and a 0.965 to 0.971 inch outside diameter. Does not meet military specifications.

Installation Notes

Install the split lock washer between the fastener head or nut and the mating surface before torquing. Ensure the fastener, washer, and mating material are clean and free of debris prior to assembly. Do not reuse split lock washers that have been fully compressed flat, as they will no longer provide effective spring tension. Follow applicable mechanical codes and equipment manufacturer torque specifications for the fastener being used.