Aircraft Tool Supply Threaded 4 Pack Review

. I only got these drills because I was lucky enough to get a drill that uses these drills at an auction. I just wanted to get a test set of bits for the day I need to use these bits in cramped conditions. I saved your address in case I need to order other sizes.

Club 40 broke on the first hole but I should take responsibility for helping and not blame the club alone. It is used in a 90 degree drill bit and when he was drilling through 1/8" aluminum instead of maintaining speed and pulling it out I let the drill bit slow down and didn't put enough pressure on the 90 degree bit out so that it twisted and broke. I've drilled many holes with a regular #40 drill bit and it bends without breaking, so yeah I feel like the drill bit isn't very strong. It…