Value Collection R63082122 Internal Tooth Lock Washer

Product Description

The VALUE COLLECTION R63082122 is a No. 10 internal tooth lock washer made from Grade 410 stainless steel. Internal tooth lock washers are used under fastener heads to resist loosening caused by vibration, torque, and thermal cycling. The serrated teeth bite into both the mating surface and the fastener bearing face, creating a mechanical lock. With an inside diameter of 0.204 inches and an outside diameter of 0.381 inches, this washer is sized for No. 10 screws. The 0.025-inch thickness provides consistent clamping without adding excessive stack height. Grade 410 stainless steel delivers corrosion resistance suitable for moderate-exposure environments.

This washer is used across mechanical, electrical, HVAC, and plumbing applications wherever a No. 10 fastener requires vibration-resistant locking. Common installation scenarios include panel assemblies, junction boxes, equipment enclosures, and sheet metal connections in both residential and light commercial settings. It is ordered in multiples of 500 units, making it appropriate for shop stock, service vehicle inventory, or production assembly use.

Key Features

• Internal tooth design bites into fastener and mating surface to resist loosening under vibration
• Grade 410 stainless steel construction for corrosion resistance in moderate-exposure environments
• Inside diameter of 0.204 inches fits No. 10 screws
• Outside diameter of 0.381 inches provides adequate bearing surface without overhang on standard hardware
• Thickness of 0.025 inches maintains low profile in tight fastener stack-ups
• Does not meet military specifications — suitable for commercial and industrial applications

Compatibility

Designed for use with No. 10 screws where an internal tooth lock washer is required. Fits applications calling for a 0.204-inch minimum inside diameter and 0.381-inch outside diameter washer in Grade 410 stainless steel.

Installation Notes

Install this washer between the fastener head and the mating surface, with the teeth facing the fastener bearing face. Ensure the mating surface is clean and free of debris so the teeth can seat fully. Do not reuse lock washers after removal, as teeth may be deformed and locking effectiveness will be reduced. Follow applicable mechanical or electrical codes for the assembly being serviced.