Product Description
The MAKITA 8406C 240v Diamond core drill - 13mm keyed chuck has the following features:
1400 Watt
2 speed / variable
Max core diameter: 152mm
Carry case
The Makita 8406C is a high-performance diamond core and percussion drill designed for heavy-duty drilling in masonry, concrete, and brick. Built with variable speed and enhanced torque control, it's perfect for professionals needing accurate and powerful dry core drilling up to 152 mm.
Key Features:
Dual-function: rotary only for dry core drilling and rotary with percussion for masonry drilling
High-torque 850W motor handles large core bits with ease
Electronic variable speed with soft start for smooth, controlled drilling
Torque limiter to reduce kickback if the core bit binds
Ideal for plumbing, electrical, and HVAC installations requiring large-diameter holes
Suitable for dry diamond core bits (1/2" BSP thread)
Technical Specifications:
Input Power: 850 W
No-Load Speed: 0 – 1,500 rpm
Blows per Minute: 0 – 22,500 bpm
Max Drilling Capacity:
Diamond Core: 152 mm
Concrete (percussion): 20 mm
Steel: 13 mm
Wood: 30 mm
Chuck Capacity: 13 mm
Weight: 3.4 kg
Cable Length: 2.5 m
For those needing similar core drilling performance but without electronic controls, the Makita 8406 offers the same power in a more simplified format, ideal for basic core drilling applications.
An introduction to diamond core drills: Diamond core drills are often used by plumbers & heating engineers to drill through concrete & brickwork. Diamond core drills are mains powered due to heavy nature of the work these tools can undertake.
To choose between diamond core drills: The key consideration when selecting between diamond core drills is the maximum drilling diameter required. Additionally, if you want to use the drill for applications other than just diamond core drilling, you will need one with a keyed chuck. An attachment is used to enable diamond core drilling. Due to the 13mm keyed chuck, these tools can also drill metal, plastic & wood providing the drill bit has a 13mm or smaller diameter shank to fit the chuck. The drill bit is tightened into the chuck using a key supplied. Click here to see all our diamond core drills
To make sure you've got the right diamond core drill - 13mm keyed chuck: There is often a choice between single or 2 speed gears. Most diamond core drills have a variable speed function.