14-Pack Spot Weld Cutter Sets Double Sided, 3/8" HSS Spot Weld Cutter Remover Drill Bits Hex Sheet Metal Hole Cutter Remover for Power Drill Spot Welding

Fantastic. Make sure to go slow to start and keep it level with the surface.

These spot weld cutters were a much better quality and price than previous ones I purchased from Harbor Freight.

Works very well so long as you keep the center high carbon steel nail sharp to prevent travel over the weld before the cutter teeth dig in. I sharpened the nail once on my bench grinder. You can cut a significant number of welds with the same cutter without changing. Just keep significant pressure on the surface so the cutting teeth can do their thing. It's impossible to spot the exact center of every weld but you will still be able to create a decent hole and can peel the old metal off of the weld. You could create a shallow pilot hole at the center of the weld with a regular drill bit so the cutter will be more perfectly centered. None of the spot welds I cut were in a perfect predictable pattern as if the robot welders on the assembly line were under the influence. I thought those assembly line robots were supposed to be superior to the human welders they replaced? NOT!

These are awesome, see pics. Use a good lubricant like cutting oil or ATF which I use. They are Very sharp. One cutter side and removed two inner fenders from a 72 plymouth Duster 340 and it’s still sharp and haven’t used the other side yet. That’s at least 100 welds. Cuts very fast so if you don’t want to cut through the back side or structural side if it’s to be welded against as in my case then I suggest go slow and take your time. I don’t spray or drip oil while I’m cutting instead I use a cheap generic ATF fluid in a cup or any trans fluid and dip the entire tip every 10-20 seconds. If you see smoke it’s time to cool it down and dip it In you choice of cutting oil or as I suggest and have done for decades, ATF They arrived promptly and in a nice little plastic case to stay organized. Restoring another mopar and will be removing the full floor, full trunk, roof skin, quarters and inner fenders and I think these will last the entirety of my spot weld drilling for this project. With some left over. Can’t beat that many spot welds at this very reasonable price Very highly recommended Pls find my review helpful if it is, thanks so much and enjoy your new spot weld cutters.

Works great

Cuts amazing

These drills are actually " 3/8" " hole saws, as the pic shows. They are not capable of drilling the weld itself. One saw lasts about 5 welds in automotive sheet metal, with ATF as lubrication. These must be continually lubricated or else they will dull at the first cut. These are HSS, If the bit contacts the spot weld at any point it will not cut anymore. The drill is NOT 3/8", it's actually 10MM which is fine but the drive hex is also 10mm, so if you need an extension for the drill, the standard 3/8" hex extensions won't work. I ended up using a 10mm deep well socket connected to my drill as a driver. These drills must be engaged to the metal slowly. If you have a decent size job, order lots of these, or get a harder bit. I would order these again because they are inexpensive, just order lots.

I'm still on the 1st one after drilling out 10 welds and only had to stop as my 1/8" drill bits for the pilot holes went dull. Good product.