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Size Information
Includes 7 different sizes: 1* 1/8” (3mm), 1*5/32” (4mm),2*3/16” (5mm), 2*1/4” (6mm), 2*5/16” (8mm), 1*3/8” (10mm) and 1*1/2”(12mm).
Drill Tip Advantages
Masonry Drill Bit is higher cobalt content than commercially available drill bits，tip cross arrow design, precise positioning and sharper
Compatible and Easy to Replace
1/4" hex shank masonry drill bit set with lock-in quick change chuck, suitable for all power tools, easy to install and remove and more secure
Spiral Chip Cemoval
Concrete drill bit has spiral groove design chip removal smoothly, improve drilling efficiency
AdrianV
2025-08-31 16:22:41
I use these bits for a variety of tasks and so far they are working as intended and are a good value. The various sized bits help to drill through quartz counter top, quartz and ceramic bathroom panel material with ease. Shower doors and grab bars require multiple holes to be drilled for the anchors and so far these have stood up to the test. The bits look nice and seem durable too. Time and use will tell.
kirk j roberts
2025-08-23 12:54:47
Great tools I use them all the time
Evan B.
2025-08-21 16:01:45
Used to drill through tile and backer board. Worked as designed.
Roland B.
2025-07-12 10:26:09
These bits eat through concrete and concrete block with using a regular drill. Been so used to getting out the hammer drill and bit for drilling into the masonry in my studio but these replace all of that. Drill the hole and then set the screw. EZ!
Domenicus
2025-06-29 15:25:22
They break easily on concrete, not apt for even a regular and occasional work
Customer
2025-03-18 15:20:29
Don’t use the smallest two without letting them cool down…they will break!! Besides that they do a decent job with a regular drill
Rod
2025-01-27 21:50:13
Wear out fast 3 or 4 holes. But at least work.
Matthew Cummings
2024-12-29 17:31:26
Really helped me drill through brick to mount a landscaping transformer. It’s not easy work but these make the end result possible.
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