Goose Digitaljuillet 23, 2019 3:45 pmfévrier 12, 2026 The Mechanic Length Drill is recommended for use in general purpose steel as well as certain grades of hardened stainless steel. Drills have a 135 degree split point and sizes 3/16″ and larger are supplied with 3 flats on the shank Next PostNew Heavy-Duty Shipyard Burrs