Koopi 76mm / 3 Inch BI-Metal Hole Saw with Arbor and Replacement Pilot Drill Bit, Hole Cutter for Easily Drilling Wood, Plastic, Thin Metal

Worked great for my wood project so I can't say how it will do on any other material.

I needed to make a repair on a sealed piece of machinery. This hole saw let me make a perfect access hole in the heavy sheet metal. For the price, I figured I only needed to use the hole saw one time. I didn't even use any cutting oil. I kept the drill running at a fairly low, constant speed building minimal heat. The saw had no trouble cutting through the sheet metal. The paint on the teeth is still almost completely intact.

The Koopi 160mm Bi-Metal Hole Saw has been a fantastic addition to my toolkit. It’s built tough and handles heavy-duty drilling with ease. I used it to cut through both wood and metal, and it performed flawlessly, delivering clean, precise cuts every time. The bi-metal design really adds to its durability, and the included arbor makes it convenient and easy to set up. Whether you're working on wood, plastic, or metal, this hole cutter makes quick work of tough materials. A solid, reliable tool that's definitely worth the investment!

We'll worth the money for wood or plastic . Not sure how it will work on steel or stainless but worth a try . Very well built heavy. Comes with extra bit and tool .

Simple design with excellent machining, that cuts clean and easy. Comes with an extra bit!

Great product just as described and worked great good value

Pretty good for the price. Would be better if the arbor could actually retain the saw because it can spin off pretty easily. Sometimes it feels a bit wobbly. Only needed to make a couple 6” holes in 0.5” plywood but it works well with basically no tear out on the face of the cut. Maybe not unique to a hole saw this size but it’s not good with starting and stopping a hole mid-cut because it can bind up easily. I think the teeth could be a little sharper and I’m not sure how long it will make clean cuts.

Works perfect, and seems near or equal to quality of same item in Home Depot and Harbor Freight at alot less, so can recommend this item.

Sorprendido con la calidad que tiene ,me ha durado mucho !, recomendado el sacabocados!

Works like it should... I'd buy again...

Didn't want to invest $50 in a Milwaukee hole saw, so online I go. I only needed to go through wood and some plastic, but figured I'd get something that could be used in the future should the rare occasion reoccur. This one came with some extra bits as well, that was a welcome find. It worked without issues for me and as it's job is currently done, it can now take a place to the other hole saws I've purchased over time.

cuts well