Review on Tungsten Carbide Professional Specialised Materials by Jeremy Gums

after reading the reviews of others who used it. I took a chance because of the price. I drilled a pilot hole first because others said the drill bit broke. Then I used lots of OIL and the slowest speed my drill could handle. Sure, it might take 3 to 4 minutes to cut through 2 sides of 11ga 2x4 square tubing, but guess what. I can't rush to perfection. 8 holes popped out and it's still sharp. I can't just drive this drill into steel like I can into wood. it just doesn't work that way. take your time. and get it right the first time and the first drill😉