Small Hole Boring
Chipbreaker Geometries
Single-Sided, Positive Inserts
Peripheral ground for best surface quality and reduced cutting pressure.
For fi ne to medium fi nishes.
P
..HH
M
feed rate (mm)
fn
High positive-type chipbreaker. Peripheral ground for best surface quality
and reduced cutting pressure. Recommended for high-temp alloys and
non-ferrous machining.
P
HP
M
feed rate (mm)
fn
P
Ground-in chipbreaker. Peripheral ground for best surface quality and
reduced cutting pressure.
*Right-hand inserts used in left-hand bars ONLY. Left-hand inserts
used in right-hand bars ONLY.
..HH-R/L
feed rate (mm)
fn
Flat insert for profi ling. Very stable cutting edge offers maximum rigidity.
P
..HW
feed rate (mm)
D36
fn
widia.com
M