Precision machine reamers HSS-E with or without ACUREA hard surface coating, straight NC-shank h6, left hand spiral 7-8°, right hand cutting, Ø from 0.60 up to 20.05 mm in 0.01 mm increments available from stock (also in H7 tolerance). Tolerances 0/+0.003 to 0.004 – lead angle 60° and 45° (depending on Ø).