
Ratings & Reviews for Kobalt 11/64-in 4.35mm #8 Standard High-speed steel Countersink Twist Drill Bit
Ratings may include incentivized customer reviews.
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.
Customer review summary generated by AI, including incentivized reviews.Take care when setting set screw.
Bit bent when using set screw for adjustable countersink head.
From 9_SLASH_64-in 3.55mm #6 Standard High-speed steel Countersink Twist Drill Bit Verified Purchaser
Pre Drilling Holes for Screws
Would RecommendThis drill bit is excellent for pre drilling a hole for screws going through tin and wood to mount vent covers to a wall and for drilling cabinet holes for the knobs or handles and recessing the screw heads as needed. A tool that makes an amateur look like a professional.
From 9_SLASH_64-in 3.55mm #6 Standard High-speed steel Countersink Twist Drill Bit Verified Purchaser
Good
Would RecommendGood
From 1_SLASH_8-in 1-5_SLASH_8-in High-speed steel Countersink Twist Drill Bit Verified Purchaser
Spring housing and tip plunger wobble so badly, the tool is not usable. See my video, and believe the other reviewers!
very sturdy.
Would Recommendquality countersink.
Drill Bit
Worked well in the beginning, but dulled faster than expected
From 1_SLASH_8-in 1-5_SLASH_8-in High-speed steel Countersink Twist Drill Bit Verified Purchaser
Poor Quality Product
Would Not RecommendIt broke when drilling the first hole.
From 9_SLASH_64-in 3.55mm #6 Standard High-speed steel Countersink Twist Drill Bit Verified Purchaser
Works great !
Would RecommendBit
From 3_SLASH_16-in 4.75mm #10 Standard High-speed steel Countersink Twist Drill Bit Verified Purchaser