Value Collection MP36745-1/2 High Collar Split Lock Washer

Product Description

The VALUE COLLECTION MP36745-1/2 is a high collar split lock washer designed for use with 1/2 inch fasteners in general mechanical and trade assembly applications. Manufactured from uncoated steel, this washer provides reliable tension and vibration resistance when installed beneath a nut or bolt head. The hi-collar profile delivers increased bearing surface contact compared to standard split lock washers, helping to prevent fastener loosening under load. Each package contains 25 washers. The inside diameter ranges from 0.506 to 0.518 inches, the maximum outside diameter is 0.737 inches, and the thickness is 0.172 inches.

This washer is suited for use in mechanical, HVAC, plumbing, and electrical panel assembly applications where standard 1/2 inch fasteners are used. The high collar design makes it a practical choice in installations requiring additional axial load distribution at the fastener seating surface. It is installed by electricians, plumbers, HVAC technicians, and millwrights during equipment assembly, panel work, and pipe or duct support mounting.

Key Features

• Hi-collar profile increases bearing surface for improved fastener retention
• Split design creates spring tension to resist loosening from vibration
• Uncoated steel construction for general-duty indoor mechanical use
• Inside diameter range of 0.506 to 0.518 inches fits standard 1/2 inch fasteners
• Maximum outside diameter of 0.737 inches with 0.172 inch thickness
• Sold in a package of 25 washers with a minimum order quantity of 1

Compatibility

Designed as a standard hi-collar split lock washer for use with 1/2 inch screws and bolts in general mechanical assembly across trade applications.

Installation Notes

Installation is performed by hand or with standard wrenches and does not require special tooling. Always de-energize electrical equipment and relieve system pressure before disassembling fastened connections in live systems. Place the washer between the fastener head or nut and the mating surface with the split gap oriented away from the workpiece where possible. Do not reuse split lock washers that have been fully compressed flat, as they will no longer provide adequate spring tension.