Posted August 31, 2022Updated August 31, 2022For industrial drill bitsWorks great, titanium coated so you can't sharpen it when it gets dull but seems easy to me being has held up well and saved me a lot of time.Pros1/4" - 1-3/8" with 1/8" pitchConsLong delivery timeΒ 0Β 0Β 0