Chucking reamer comes with straight shank, 0.6299 inch decimal size, 0.6299 inch large end diameter, 1-3/4 inch flute length, 4 inch overall length, 6 number of flutes, 45 degree chamfer, cutting direction right, solid carbide material, bright finish, ferrous, non-ferrous application and 16 metric size. Hole entry is made easy because the cutting end of the reamer is ground with a 45 chamfer angle. Use in drill presses, turret lathes, screw machines and other machine tools for cast iron, aluminum, and tool steel applications. Spiral flute reamers are ideal for blind hole applications.