💪 Unleash Hard Steel Durability with KnKut Performance 5KK9 Review

As a result of using this product, I found that drilling through stubborn materials was a breeze, and the bits remained sharp after multiple uses. The durability of these bits is unmatched, making them a reliable choice for industrial use. However, the price point may be a concern for those who don't frequently work with hard metals.

The manufacturer claims that these drills will drill through hardened steel, including easily broken holes. I have a set and I will tell you that the claim is 100% correct. I just want them to sell them individually. I mostly use the size in the middle and apply it all over. Given the hassle of working through broken faucets and simple exits, I think it's worth the price of the entire set even though I only need one of the bits!

I ordered a replacement kit and am returning this kit because one of the drill bits (3/8) has dark spots and streaks which I think could be caused by corrosion. . I used a penny I had on hand to pry each drill bit out of the cut out in the black foam liner. Each of the drill bits fit snugly into the foam pad, while the smaller diameter drill bits penetrate deep into the pad. The sizes are listed on the shanks of the four large drill bits along with "US" but I can't see the dimensions to read…