With this Taper Drill and Countersink Set you will have all the pieces you need for professional installation of the most commonly used wood screws. The set includes the following:
The Tapered Drill Bits match the shape of the respective wood screws permitting a stronger grip along the full threaded length of the screw. The bit is precisely machined from High Speed Steel and as such is likely to stay sharp some ten times longer than similar bits made from carbon steel.
The Countersink/Counterbore units are machined from high carbon steel, features four very sharp cutting flutes for precise and tear free boring and are adjustable along the length of the drill bit by means of two set screws.
The Stop Collars are adjustable by means of two set screws. By adjusting the stop collar you are able to control the counterbore depth. When counterboring and plugging is not desired, you are also able to produce a perfect countersink by setting the stop collar just behind the cutting flutes.
The Plug Cutters are machined from high carbon steel, feature four sharp cutting claws and will produce the plug sizes you need when counterboring.
This set is really well made and represents a great value. Made in China.
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