Kobalt Assorted Assorted Assorted Assorted x Set Carbide tipped Right handed Glass and Tile Drill Bit Set
Item #3209751 |
Model #DTC-21104
Double bladed carbide tip for longer life
Water lubrication required for best results
Suitable for drilling into glass and tiles
4 Point tip for faster drilling
General | |||
|---|---|---|---|
Material | Carbide tipped | Shank Type | Hex |
Package Quantity | 1 | ||
Dimensions | |||
|---|---|---|---|
Bit Diameter (Inches) | Assorted | Bit Length | Set |
Bit Diameter (Letter) | Assorted | Maximum Drilling Depth | Set |
Bit Diameter (mm) | Assorted | Shank Size | 1/4-in |
Bit Diameter (Number) | Assorted | ||
Features | |||
|---|---|---|---|
Heavy Duty | Yes | Set/Individual | Set |
Right/Left Hand | Right handed | Tip Geometry | 90-degree split-point |
Compatibility | |||
|---|---|---|---|
Brand/Model Compatibility | Kobalt | ||
Warranty | |||
|---|---|---|---|
Warranty | 1-year limited | ||
Certifications | |||
|---|---|---|---|
CA Residents: Prop 65 Warning(s) | |||
Miscellaneous | |||
|---|---|---|---|
UNSPSC | 27112200 | ||
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Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers report mixed results with these tile drill bits. Most praise their ability to cleanly drill through ceramic tile for shower installations when using proper technique—medium speed, water cooling, and steady pressure—with many achieving multiple crack-free holes. However, a substantial group experienced premature failure, with bits breaking or dulling after just one to five holes, particularly on porcelain. Several note the bits work well for occasional use but suggest investing in a higher-quality set for frequent projects. Overall, reviewers remain divided between strong satisfaction and frustration with durability.
Customer review summary generated by AI, including incentivized reviews.DOES NOT WORK ON PORCELAIN
Bought these to install toilet flange. Literally could not drill one hole into my porcelain floor tiles.
N/A
Not used yet.
Verified Purchaser
The drill bits did the trick!
We used them to install a shower door attached to a natural stone tile wall. Add a little water as a lubricant, the tiles didn't crack and the project went smoothly.
Verified Purchaser
Start with small bit and move up gradually to the
Had to drill several holes into tile These do work but takes a while Take your time and keep bits cool by dipping in water
Verified Purchaser
But need to use a force to make a hole
It’s good
Verified Purchaser
Worked as advertised
Worked as advertised.
Verified Purchaser
Needed for ceramic tile
I needed drill bits for ceramic tile. They have the directions for use on the packaging.
Verified Purchaser
3 Questions
1
Answer
Can it be used on porcelain tiles
Mike on May 14, 20240
Answers
Does this set work for porcelain tile?
Tuck on November 10, 20210
Answers