HSS H7 Straight Shank Spiral Groove Machine Reamer 3-20mm, Used For Precise Cutting Of Machine Tool Chuck Hole Expansion

The reamer is made of high speed steel with high hardness and durability. Sharp blade, strong cutting ability, high precision and long service life. Suitable for mould processing and handicrafts processing. Widely used for internal hole processing, can be installed on drilling machines, milling machines and other equipment.