Ratings & Reviews for Kobalt 3/16-in 4.75mm #10 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, with users praising its convenience and effectiveness in producing clean, even holes. Key features include the adjustable collar for controlling depth and the combination of drilling and countersinking in a single step. However, some users have reported concerns about the bit's durability and longevity, with issues like premature breakage or dulling, as well as difficulty finding replacement bits.
Customer review summary generated by AI, including incentivized reviews.Unusable
Would Not RecommendBought the 5/16 and 7/16. Both of them had high run out (The Bits Wobble) the 5/16 worse than the 7/16. Checked my Chuck and It’s fine
solid tool
Would Not Recommendworks beautifully.
From 1_SLASH_8-in 1-5_SLASH_8-in High-speed Steel Countersink Twist Drill Bit Verified Purchaser
Works as intended.
Would RecommendIt works as intended, even without the quick change adapter.
From 1_SLASH_8-in 1-5_SLASH_8-in High-speed Steel Countersink Twist Drill Bit Verified Purchaser
Great countersink drill bit
Would RecommendGreat drill bit. Allowed me to countersink my screws easily
From 9_SLASH_64-in 3.55mm #6 Standard High-speed Steel Countersink Twist Drill Bit Verified Purchaser
Good quality.
Would RecommendThe right tool for the job.
From 7_SLASH_64-in 1-5_SLASH_8-in High-speed Steel Countersink Twist Drill Bit Verified Purchaser
Not horrible
I like the longer bit but did bend easily.. could use improvement
From 11_SLASH_64-in 4.35mm #8 Standard High-speed Steel Countersink Twist Drill Bit Verified Purchaser
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.
From 11_SLASH_64-in 4.35mm #8 Standard High-speed Steel Countersink Twist Drill Bit