Kobalt 11/64-in 4.35mm #8 Standard High-speed steel Countersink Twist Drill Bit

What Customers Are Saying

The adjustable countersink drill bit is generally well-received for its ability to drill and countersink holes in a single operation. The adjustable collar allows users to easily control the depth of the countersink, which is appreciated for tasks like cabinet and furniture installation. The bit works well on a variety of materials and is reported to produce clean, professional-looking results. However, some users have experienced issues with the bit's durability, with reports of the drill bit breaking or becoming dull more quickly than expected, especially when used on harder materials. Careful use and maintenance appear to be important for getting the best performance from this product.