Best Choice 1-3/16″ Taper Shank Expansion Reamer HSS DWRRETS1-3/16

Industrial-grade expansion reamer designed for precision hole finishing in metalworking and fabrication environments.

The tool combines a taper shank drive with High Speed Steel cutting edges to deliver repeatable size control and long tool life in demanding industrial machining tasks.

Specs

Dimensions: 1-3/16 inch diameter

Drive type: Taper Shank

Material grade: High Speed Steel

Features

Expansion mechanism: Adjustable diameter via internal expansion plug enables precise final hole sizing with a single tool sequence.

Cutting edge material: High Speed Steel provides wear resistance and edge retention across common metals such as steel, stainless steel, aluminum, and cast iron.

Drive rigidity: Taper shank interface delivers robust spindle engagement, reducing runout and improving hole concentricity in machine centers and drill presses.

Use cases: Finishing predrilled holes in automotive housings, hydraulic manifolds, pneumatic manifolds, and machinery frames requiring tight tolerances.

Operational efficiency: Enables accurate hole sizing with minimal tool changes, supporting streamlined workflows in mid to high volume manufacturing.