Ansi H.S.S. Reamer 

Straight Shank, Straight Flute, Right Hand Cut

Diameter Tolerance:

Thru 1/4" diameter       +0.0001" to +0.0004"
                                     -0.0000"

Above 1/4" to 1"           +0.0001" to +0.0005"
                                     -0.0000"

Above 1" to 1-1/2"        +0.0002" to +0.0006"
                                      -0.0000"

Features:

Standard 45º chambered cutting edge.

Straight flute design.

Bright finished.