Value Collection 93813 External Tooth Lock Washer 50-pack

Product Description

The VALUE COLLECTION 93813 is a stainless steel external tooth lock washer designed for use with 3/4 inch screws. It features an inside diameter of 0.795 inches and an outside diameter of 1.245 inches, with a thickness of 0.055 inches. Constructed from Grade 410 stainless steel, it delivers solid corrosion resistance and reliable holding strength in demanding mechanical and industrial assemblies. The serrated external teeth bite into the mating surface under torque, resisting loosening from vibration and thermal cycling. Plumbers, HVAC technicians, electricians, and millwrights use these washers wherever bolt retention and surface protection are needed in a single component.

These external tooth lock washers are suited for residential and commercial mechanical assemblies where fastener security is critical. Common applications include equipment mounting, panel fabrication, electrical enclosures, HVAC unit assembly, plumbing fixture installation, and general structural fastening. Grade 410 stainless steel makes these washers appropriate for both indoor and outdoor environments exposed to moisture or mild corrosives. They are sold in a package quantity of 50, making them practical for job-site stock or shop inventory.

Key Features

• External tooth design grips mating surface to resist fastener backout under vibration
• Grade 410 stainless steel construction for corrosion resistance in wet or outdoor environments
• Inside diameter of 0.795 inches fits standard 3/4 inch fasteners
• Outside diameter of 1.245 inches provides adequate bearing surface coverage
• Thickness of 0.055 inches allows use in tight clearance assemblies
• Packaged in quantities of 50 for efficient job-site and shop use

Compatibility

Designed for use with 3/4 inch screws and bolts in general mechanical, electrical, HVAC, and plumbing assemblies requiring an external tooth lock washer with a 0.795 inch inside diameter.

Installation Notes

Installation is performed by any trade requiring fastener retention in their scope of work. Place the washer on the fastener with the teeth facing the mating surface before driving the screw or bolt. Ensure the mating surface is clean and free of debris so the teeth can seat properly. Do not reuse lock washers that have been fully compressed, as the teeth may no longer provide adequate retention.