Description
Overview:
This chuck key is a genuine Makita OEM part designed for keyed drill chucks on Makita hammer and rotary drills. Made from durable metal, it provides positive engagement with the chuck's pinion teeth to tighten and release the jaws securely, helping to prevent bit slip during heavier drilling. It is suitable for day‐to‐day site and workshop use and sized to suit the keyed chucks fitted to compatible Makita machines. Identified by Manufacturer Part Number (MPN) 763430-3, it is a T‐handle style key that offers good leverage and control. Designed specifically for Makita models including the HP2050F and 8406 Core Drill, it supports accurate, safe bit changes and reliable clamping across a wide range of drilling tasks.
Key Features:
- Genuine Makita OEM part (MPN 763430-3) for assured compatibility and reliability
- T‐handle design provides firm grip and leverage for secure tightening and release
- Durable metal construction for long service life in site and workshop conditions
- Precise pinion engagement helps prevent chuck and bit wear
- Aids secure bit clamping to reduce slippage under load
- Simple to use; quick bit changes with consistent, repeatable tightening
- Compact and lightweight; easy to store in a tool bag or toolbox
- Compatible with Makita keyed chucks on listed models for optimal performance
Typical Applications:
Everyday tightening and loosening of keyed drill chucks on Makita hammer and rotary drills. Suitable for construction, carpentry, joinery, plumbing, electrical installations, core drilling with the 8406, workshop maintenance, and general metalworking where reliable bit retention and frequent bit changes are required.
Also known as:
Chuck spanner, T‐handle chuck key, pinion chuck key, drill chuck key, keyed chuck tool, chuck driver. These terms refer to the same tool used to engage a keyed drill chuck's pinion to clamp or release drill and coring bits.
Fits Models:
8406, DS4010, DS4012, HP1300S, HP2050F
Alternate Part Numbers:
7634303
