12mm HSS Chucking Reamer for Lathe Machining, 6 Straight Flutes, Round Shank, 4.92 Inch Overall Length, Precision Metal Hole Drill Bit for Stainless Steel, H8 Tolerance, Pro-Grade Reaming Tool for General Metalworking

12mm HSS Chucking Reamer for Single-Piece Lathe Work
✔️ 12mm dia chucking reamer, 125mm length, 26mm flute, HSS

This precision chucking reamer is designed to enlarge, smooth, and finish holes with tight tolerances in metalworking applications. It’s commonly used with lathes, milling machines, and machining centers for bore preparation in stainless steel, cast iron, aluminum, plastic, and other metals.

✅ Cutting Dia: 12 mm (0.47 in)
✅ Overall Length: 125 mm (4.92 in)
✅ Flute Length: 26 mm (1.06 in)
✅ 6 straight flutes for easy chip evacuation
✅ Material: high-speed steel, uncoated for broad material compatibility
✅ Tolerance: H8

💡 What is a chucking reamer used for in precision metalworking?

A handy tool for finishing and enlarging holes with tight tolerances. - Finishes holes in stainless steel, aluminum, cast iron, and plastics - Used with lathes, milling machines, and machining centers - Improves bore roundness, straightness, and concentricity