Straight Shank Jobber length. 135 degree split point. Type "J" Gold Oxide Treatment. M42 Cobalt HSS. Used in high tensile materials such as high-strength alloy steels, stainless steel, titanium, manganese steel, armor plate and inconel.
Based on our own experience, this cutting tool is a true powerhouse... The bit confidently maneuvers through thick steels with exact precision leaving minimal chippings. The sturdy design ensures that it can handle heavy demands with minimal wear and tear. The only slight con is that it may be somewhat more expensive compared to other industrial drill bits on the market. Overall, this is a well-built tool that is highly efficient and a cut above the rest. A truly remarkable investment for any…
Pros
Efficient and precise cutting with minimal burrs
Cons
Requires a specialized chuck or collet to fit the 5/16" shank size
I'm getting better but I'm pretty picky about drill bits so buying cheap drill bits costs me more. I came across Champion cutting tools and am very impressed with the quality of these bits. I have drilled holes in a 2 1/4 diameter oil field tubular and am still on the first drill after 68 holes. It shows some wear, but still cuts through like wood. A couple of times the drill got stuck and yanked the drill out of his hand. Any other drill would have broken. I have several sizes from this brand…