Description of π Makita 99661 Countersink Drill Key
Includes #6, #8, and #10 countersinks Plus a hex wrench. Drills pilot hole, countersinks and counterbores in one easy operation. Drill bit can be adjusted to the desired drilling depth. 1/4" hex shank fits in impact drivers and driver-drills. Creates pilot hole for screw to prevent wood from splitting.
I bought some cheaper countersinks from other manufacturers a few months ago and they were terrible. These Makita bits are OMG. The drill bits are amazing and best of all the countersink is effortless as it cuts into wood quickly and easily. Provides fast and accurate pre-drilling for excellent screw penetration and finish.
Pros
Drill pilot holes, countersinks and countersinks in one easy operation
After drilling 3 holes in a 2x4 the hex that fits the drill chuck was unscrewed from the drill bit. This was very disappointing as I waited 3 weeks for the item to arrive due to my strict location. I'm trying to figure out how to get a replacement without incurring any fees. Makita's warranty page does not list the country I'm in. Hmmm. I thought I would buy quality from Makita. I hope this was an isolated failure and not a cheap tool.
When I opened the packaging and used it, it seemed to me that the drill bits were smaller than the pictures. However, all the pilot holes I've made are fine. as well as counter sinks. I've been using it for the last few days with no problems. I also thought that the sink size was smaller or larger depending on the drill, but they all have the same sink size. Just different drill bit sizes. When I started using the countersink didn't spin. Upon closer inspection I noticed that the hex boltβ¦
Pros
The drill bit can be adjusted to the desired drilling depth