Excellent product for cutting a .75" diameter hole in surfaces where a clean cut is important. For example if you are most into ham radio and want to take your car to the "next level" and want to permanently install this antenna. If you like it, then you better put an NMO on it. It's just the right size, but not worth the ridiculous amount of similar hole saws that are "made specifically for mounting an antenna". a clean edge that you can otherwise ruin by drilling a support post or pinchingβ¦
UPDATE: got a replacement, used! Don't bother buying those garbage hole saws. I bought this to make holes for regular 1-1/8" sockets and bluesea gauges. The teeth are thin enough to be used on everything from wood to metal (I've mostly used it on ABS) and the bit is small enough that you don't need a pilot hole if you make a dent where you want the hole to center . However, this item does not meet quality control and build quality requirements. The blade is simply a piece of metal bent aroundβ¦
I make control panels by installing 22mm industrial push buttons in tin cabinet doors. A 7/8 inch hole saw or hole saw is suitable for the button. When using a Dewalt impact wrench you will feel the saw moving through the metal. For example: aligning with other holes, but it took 12 seconds for the saw to go through a 14 gauge steel plate door. I didn't have to pull the ball out of the saw. It just falls out. I used to have to file the burrs into the hole, but this saw is clean enough to skipβ¦