Three Eighths Inch HSS Chucking Reamer With Six Straight Flutes And Round Shank Milling Cutting Tool For Precision Reaming In Stainless Steel Holes On Lathe Machines With H7 Tolerance, 105mm Total Length, 23.2mm Flute Length

3/8-Inch HSS chucking reamer - single piece for precision
✔️ Cutting dia 3/8 in (9.525 mm), flute 23.2 mm, OAL 105 mm

This chucking reamer is a high-speed steel tool designed to enlarge, smooth, and finish holes with tight tolerances in stainless steel, cast iron, aluminum, plastics, and other non-ferrous metals. It’s a handy choice for precision work on lathes, milling machines, and machining centers, helping you achieve consistent hole roundness and straightness.

✅ Cutting dia: 3/8" (9.525 mm)
✅ Tool flute length: 23.2 mm / 0.91"
✅ Overall length: 105 mm / 4.13"
✅ Straight flute design aids chip escape in shallow cuts
✅ Uncoated HSS, compatible with standard tool holders

💡 What is a chucking reamer used for in precision hole finishing?

They’re handy tools for making precisely sized, smooth holes in metalwork.

- improves hole roundness, straightness, and concentricity - works well with shallow cuts and clears chips easily - compatible with standard lathe, drill, or milling machine tool holders