Makita 763418-3 Chuck Key S10

Product Description

The MAKITA 763418-3 is a replacement chuck key designed for use with compatible Makita power tools. A chuck key is a small hand tool used to tighten or loosen the chuck on a keyed drill or rotary tool, securing the bit firmly before operation. The S10 designation indicates the key size, which corresponds to the chuck diameter it is designed to fit. This is an OEM-specified replacement part for technicians and tradespeople who need to restore full chuck functionality after a lost or damaged key.

The 763418-3 chuck key is suited for use with Makita keyed chuck tools in workshop, job site, and maintenance environments. It is a direct replacement part intended for service and repair applications. Electricians, general contractors, and maintenance professionals who rely on Makita keyed drills will find this a straightforward like-for-like swap to keep tools operational.

Key Features

• OEM Makita replacement part for keyed chuck tools
• S10 size designation for correct chuck engagement
• Restores full chuck tightening and loosening function
• Compact design for standard chuck key operation

Compatibility

Designed as an OEM-style replacement chuck key for compatible Makita keyed chuck power tools requiring an S10 size key.

Installation Notes

Installation requires no tools beyond the key itself. Always power down and unplug the tool or remove the battery pack before changing bits or servicing the chuck. Insert the chuck key into the chuck collar hole, engage the teeth fully, and tighten or loosen as needed. Do not operate the tool with the chuck key inserted in the chuck.

Technical Specifications

• Key Size: S10
• Part Type: Replacement Chuck Key

Standard Information

• Brand: MAKITA
• Manufacturer Part Number: 763418-3