Top Pick 3/8″ Straight Flute Hand Expansion Reamer HSS DWRRHDE3/8

Industrial precision tooling for bore finishing and hole sizing in mechanical systems. The 3/8 inch Straight Flute Hand Expansion Reamer enables manual, controlled enlargement and deburring of pre-bored holes in metal components.

Specs

Dimensions: Diameter 3/8 inch

Material grade: High Speed Steel (HSS)

Features

Manual operation: hand reaming eliminates the need for power tools, enabling precise control on bench or field service.

Straight flute design: facilitates axial alignment and smooth chip evacuation during reaming passes.

Adjustable diameter action: expansion mechanism permits incremental sizing for final bore tolerance.

Edge quality and deburring: creates clean bore edges, improving component seating and fit.

Material benefits: High Speed Steel construction supports wear resistance and extended service life under moderate reaming loads.

Industry applications: suitable for final sizing in mechanical assemblies, maintenance, and manufacturing environments requiring precise 3/8 inch bore.