The straight-flute design is recommended for most general purpose reaming.
. The right-hand spiral-flute reamer has the smooth, chatter-free action necessary for fine finishes.1790 HSS Straight Shank Chucking Reamer Chucking Reamers are designed for accurate reaming in most materials using all types of equipment including screw machines, turret lathes, drill presses, and machining centers.