Value Collection 741106PS M10 External Tooth Lock Washer

Product Description

The VALUE COLLECTION 741106PS is a Grade 2 spring steel external tooth lock washer designed for M10 fastener applications. With an inside diameter of 10.5mm (approximately 0.413 inches) and an outside diameter of 18.0mm (approximately 0.709 inches), this washer seats around an M10 screw or bolt shank and bites into both the mating surface and the fastener head to resist loosening under vibration and dynamic load. The external tooth profile distributes clamping force across a wider surface area than a split-ring lock washer, making it a dependable choice for general mechanical assembly. A zinc-plated finish provides basic corrosion resistance suitable for indoor and light-duty outdoor use.

This lock washer is used across a broad range of assembly and maintenance applications, including HVAC equipment mounting, electrical panel assembly, light mechanical fabrication, and general hardware fastening where vibration-induced loosening is a concern. It is appropriate for residential and light commercial service work. Sold individually per package, with a minimum order quantity of 100 pieces, making it well suited for shop stock, service van inventory, or production-line use where consistent fastener hardware is needed in quantity.

Key Features

• External tooth design bites into fastener head and mating surface to resist rotational loosening
• Spring steel construction provides consistent tension and flexibility under load
• Zinc-plated finish offers basic corrosion protection for general-purpose environments
• Grade 2 material classification for standard mechanical assembly applications
• 10.5mm inside diameter fits M10 screw and bolt shanks
• 0.9mm thickness provides a low-profile seating surface without significant stack height

Compatibility

Designed as a standard external tooth lock washer for use with M10 screws and bolts in general mechanical, electrical, and HVAC assembly applications.

Installation Notes

Installation requires no special tools beyond a standard wrench or socket set appropriate to the mating fastener. Place the washer on the fastener shank between the fastener head and the mating surface before tightening. Power down any electrical equipment or shut off any mechanical system before servicing fastened assemblies. Do not reuse lock washers that have been fully compressed or deformed, as the spring tension required for proper locking will not be restored.