Manufactured from High Speed steel, 2AB Jobber drill bits can be used to drill many materials including steels, stainless steel and aluminum and are available in a range of sizes from 1 mm to 17.5 mm. They have a 118 degree conventional point which provides strength and makes it easy to re-grind. The steam oxide finish prevents workpiece material from sticking to the cutting edges of the tool so you get clean, accurate results. 2AB Jobber drill bits are a very versatile choice and can be used in many different applications, both hand held and in machines