5/16″ Straight Shank Expansion Reamer HSS DWRRE5/16 Weekend Sale

Industrial expansion reamers are precision tools used to enlarge holes with tight tolerances in metalworking and manufacturing environments. The 5/16 inch straight shank expansion reamer, manufactured from High Speed Steel, is provided as a single reamer optimized for repeatable hole sizing in demanding applications.

Specs

Diameter: 5/16 inch

Shank type: Straight

Material grade: High Speed Steel

Features

Application: Expands predrilled holes to a precise final diameter, enabling proper fits for bushings, bearings, shafts, and alignment components in mechanical assemblies.

Material: High Speed Steel core delivers wear resistance and edge retention suitable for drilling and reaming across common workpiece materials such as steel alloys and cast iron.

Shank compatibility: Straight shank design fits standard collets, end mill holders, drill presses, and CNC machines that accept straight tooling for straightforward integration into existing workflows.

Lubrication: Cutting fluid or coolant recommended to minimize heat buildup, extend tool life, and improve surface finish in reaming operations.

Included: One reamer per order, optimized for single-piece procurement and consistent replacement in production environments.