Chucking reamer with straight shank, #31 wire size, decimal size 0.1200", large end diameter - 0.1200", flute length - 5/8", overall length - 2-1/4", number of flutes - 4, chamfer- 45 degree, cutting direction right, material- solid carbide, bright finish, application- ferrous, non-ferrous, metric size- 3.048. 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 application- s. Spiral flute reamers are ideal for blind hole application.