The straight-flute design is recommended for most general purpose reaming.
00mm 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.It is recommended over the straight-flute for more difficult materials, better surface requirements, and applications with an interruption such as a keyway or cross hole.