🔧 Bosch CO2148 4 5 Cobalt Drill: Unleash Exceptional Power and Precision Review

This drill bit goes through aluminum heads and bolts like butter. Hold her tight because if she bites she will want to go where she wants. You're probably looking at this size because, like me, you're repairing broken studs. It works out? YUP! THIS IS ABSOLUTELY FRIGGEN WORKS GREAT!

I used this drill bit to drill a hole in my exhaust manifold and after watching a few YouTube videos I was hooked on the task at hand. Put this bit on my drill press, take some WD40, cut slowly and spray WD40 along the way. This bit lasted no more than 1 minute before severing the old exhaust manifold. I just bought another one of a different size to remove a broken steering damper. I won't buy anything else for a Steel Aver! GREAT BIT saves you a lot of work!

This is a solid drill. Long story short, I had a screw in my Trailblazer's gearbox. I tried using a puller and the puller actually broke leaving a piece of high speed steel in a pinched bolt. Great, isn't it? Well after trying various other things I finally got this drill and helicoil set. I was amazed at how easily this bit cut through anything that was snagged (a bolt and a piece of HSS extractor). I wish I had bought this drill sooner as initially I spent a lot more than the price of the…