My son an I cut 4" holes through the top of refrigerated keg units that consist of a layer of 16 gauge SS followed by insulation and two layers of 18 gauge sheet metal. We use cutting oil and a very low geared/high torque 90 degree drill. We average about 30 holes per saw. I couldn't get more that six out of any other brand!
About This Item
- 7/8 in. size
- Increased wall thickness improves durability and minimizes tooth loss optimized tooth design penetrates metal with ease
- Larger, sharper teeth remove more wood for fast cutting
- Speed slot staircase design for fast, easy plug ejection
- 1 in. head diameter
- 1-1/2 in. drill depth
proposition 65 reasons:titanium dioxide, other chemicals
Cancer and Reproductive Harm - www.P65Warnings.ca.gov. www.p65warnings.ca.gov
arbored h/s-14a 7/8in 22mm
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Read the instructions
Read the instructions that comes with the hole saw. Regardless of the brand the larger the hole saw the slower the speed. Too fast and the teeth will burn up.
Good hole saw but website needs work
I use these for cutting round parts for toys. They work great. I wish however the Lenox guys would put the inside diameter of the hole saw on the website too - For toys I am interested in diameter of the piece that gets cut out, not the piece getting cut.
What is really needed in a hole saw ...
Lenox needs to come out with a hole saw with FINE teeth per inch e.g. 20 to 24 TPI. There is a great need for tube notching thin wall tubing ( .062" and less) in the aviation and race car fields. The existing hole saws teeth are way to course for thin gauge sheet metal or tube notching.
Doesn't hold up
I bought a 4" Lenox bi-metal hole saw to cut light fixture holes in light gauge shop roofing used as ceiling in my shop. It cut the first 4 holes fine, but on the 5th the teeth just wore away and would not cut at all.
Can I give ZERO stars???
Arrived in sealed package with BENT PILOT BIT, a full 1/16" from base to tip!
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