Specification:   Color: silver Material: HSS (high speed steel) Fits size(approx.):1/4″Bolts (0.25”) up to 3/4″(0.750”),(4mm -19mm) Size(approx.):inner ring diameter 22mm/0.87",outer ring diameter 28mm/1.10" Size: specific size as picture shown Interior ring diameter: 22mm Exterior ring diameter: 28mm   Proper Use: This tool works by way of shearing metal layer by layer. Slow speed, along with no unnecessary cutting and the use of cutting oil or another lubricant will bring it long life.   The package includes: 2 x Deburring External Deburring Chamfer Tool
L**.
Boyfriend in HV/AC
Ordered these for him. He's said that they work good. Already paid for itself in one job having to go through 10" cement, 2 different holes. Thumbs up.
J**X
You get what you pay for
Perfect if you have only a few holes to drill and need a long bit. Durability is low.
B**Z
Happy with them
Definitely worth the money. Used them on a plumbing job that had to go through a slab. There’s other bits that would probably work quicker, but would be more expensive.
D**O
Worked for the job that I needed.. but ...
Worked for the job that I needed.. but it took me a little over a hour to drill thru a brick wall, that was about a foot and a half thick.. but I was using a small dewalt hammer drill..
D**9
Five Stars
Worked great with my 20v Dewalt hammer drill. Drove through brick veneer and cinder block foundation like butter.
T**Y
Great product.
With a good hammer drill i went through 22 inches of masonry like butter. Great product. Exactly as described.
H**R
Works well
Not name brand but works well.
J**I
Not Bad
Not the best I ever used but work fine, especially for the price. I would buy yhem again.
T**.
Works great
Went through a old farmhouse basement wall like nothing even on cordless hammer drill
Trustpilot
1 month ago
1 day ago
