Scientific Cutting Tools - 0.725" Diam, 0.67" Small End Diam, 1/2" Straight Shank, 1-7/8" Flute, Taper Pipe Reamer Industrial Markers Chalks & Layout Fluids They are lightweight

They are lightweight

Model #: 4350-MC-240

6614 Flute Length x Diameter Ratio 5xD Point Type Four Facet Shank Diameter (mm) 5

Abrasive Type: Non-Woven

Model #: 15F-1212

Scientific Cutting Tools - 0.725" Diam, 0.67" Small End Diam, 1/2" Straight Shank, 1-7/8" Flute, Taper Pipe Reamer Industrial Markers Chalks & Layout Fluids They are lightweightItem #: 01187624 Brand: Scientific Cutting Tools Model #: PRSS 04 Features and Benefits Straight flutes are the most common and are used in general purpose though hole applications. They are used for reaming holes without interrupted cuts. Straight shanks are used for general purpose applications. The shank is smaller than the drill bit diameter. They are used with portable drills and drill presses on ferrous and non ferrous materials. Carbide tips