🔩 JIUWU Tungsten-Cemented Stainless Aluminum Alloy Review

I have already drilled bolts from very old and hard steel with these drills! I used hammer mode on my Rigid cordless drill with coolant and knocked the drill out after a few hours. Doing the same job I tried cobalt drills which were much less efficient, took much more time and cost a lot of money! I also used this set of carbide drill bits to drill the head of the rotor screw, which was deburred. I pierced it through in less than a minute and the rotor came loose. I was then able to loosen the…

I bought bits to drill out a broken EasyOut. I had doubts but I bought the product and tried it. I usually drill hard steel with small bits and work up to large sizes. I started with 5mm which quickly cut off the carbide tip. The next was 6mm and detached some metal from the EasyOut but broke very quickly. At this point I settled on 9mm and went with it. To my amazement, the bat went through the EasyOut like a hot knife through butter! I have requested a replacement for the broken bits as I…

I was looking at the reviews of these bits and what made me buy it was someone mentioned that they drilled a railroad anvil with these bits with no problems and the pictures came with them. I was quite skeptical about buying them, not many positive reviews but sort of a descent review. I had a leak in the exhaust pipe on my truck (Ford F150 4.6L 1997) just under my driver's seat and it was quite noisy. The break was not part of the exhaust pipe but a flange coming straight from the engine…