GSTK Upgrade Heavy Duty Carbide Hole Saw 14 Pcs,Metal Steel Hole Saw Drill Bit,TCT Hole Cutter,Alloy Hardness Upgrade, with 2*Extra Titanium Plated Pilot Center Drill and 2*L-Wrench

Great kit

Awesome results cutting thru 1/4 mild steel. I was shocked but how good the bits did. 100% recommend!

I finally got a chance to use my new metal hole saw bits. I’m running electrical in my new metal building and needed a tool to cut holes through the metal panels and 2”x3” metal studs. I knew they would go through the metal wall panels easily since the sheets are so thin, and they did. The hole bit cut a perfect burr free hole and the spring loaded bit ejected the blank right out. So when I got to the thick metal studs I was hoping the bits worked just as good. I couldn’t believe how easily they cut through the studs and left a perfect hole to run my wires through. These bits are worth every penny I spent. If they hold up and stay sharp I’ll have zero complaints. I would recommend them. So far a great tool!

What a spectacular deal! They work great and cut fast. My biggest and only complaint is that they show a carrying/storage case in the ad.. I got a big box in another box and no storage case And although they did come individually packaged in their own plastic tube, It's makes them very hard to store if you don't have a dedicated drawer to put them. This is the only reason for the 4 star rating, the cutters are good so far.

This hole saw set does exactly what tools are supposed to do: it works hard, doesn’t complain, and doesn’t require a second purchase to fix its shortcomings. The carbide cutters chew through metal and steel cleanly and efficiently, without the drama, smoke, or premature dulling you get from cheap bi-metal junk. I’ve used multiple sizes from the set and they all cut straight and fast with minimal vibration. The carbide teeth are properly attached (a low bar that many tools still trip over), and nothing feels flimsy or disposable. This is gear meant to solve a problem, not create a new one. The kit is sensibly complete — useful sizes, solid arbors, and a case that keeps everything organized so you’re not rummaging around like a raccoon in a toolbox. That matters when you value your time as much as your money. For the price, this set punches well above its weight. GSTK managed to deliver something that avoids the false economy trap: cheap tools that fail and force you to buy twice. If you want reliable performance, fewer trips to the store, and holes drilled without nonsense, this is a smart, five-star purchase.

I used some cutters like this for many years. They require oil to to be applied while in use. Don't forget that and they will last a really long time. My other advice is do not lend them out because no one cares about your tools and you will be the one replacing what they damage.

These cut through 3/4 steel like it was butter!

Very good

I bought this to cut mainly through die-cast aluminium boxes. No problem! A friend of mine that has worked with industrial scale cutting machines thought highly of them too.

Very misleading description that does not match the photo. It is not a 10 piece hole saw set, it is an 8 piece set with 2 spare pilot drill bits, yet the matching 4 piece set is 4 pieces with 2 spare pilot drill bits.

Work great

Funciona muy bien para Acero inoxidable, he barrenado lámina calibre 11 y siguen funcionando.

El corte en metal de 5/8” es excelente refrigerando constantemente, los cortes son rapidísimos con los diferentes ángulos de afilado que tienen las puntas de tungsteno.