T O O L I N G
OPTIONS FOR EFFICIENT
Dormer Pramet’s hole-making assortment has grown with several new additions.
The global cutting tool manufacturer
has extended its range of Hydra
replaceable head drills, launched a
solid carbide drill for aluminium and
added a new spotting drill.
Providing a highly cost-effective option for large
diameter drilling, the Hydra program supports
structural and general engineering applications.
Its range of solid carbide heads – for steel,
stainless steel and cast iron – are married
together with a hardened steel body.
Existing body options – 3xD, 5xD and 8xD –
have been expanded with a 12xD for deep hole
applications and a 1.5xD option for improved
rigidity in shallow hole and plate drilling.
Providing consistently high performance, even
after numerous head changes, the range of
bodies incorporates coolant holes to improve
cutting efficiency and swarf evacuation. The exact
fit between head and body maximizes tool rigidity
for superior hole accuracy and precise tolerances.
Also, one body can fit multiple solid carbide
head sizes, reducing inventory requirements. In
addition, heads can be easily changed without
removing the body from the spindle, minimizing
Meanwhile, Dormer Pramet has extended its
Force hole-making assortment, with a solid
carbide drill for all types of aluminum, from
soft to abrasive grades. The flute and cutting
geometry of the new Force N range features a 32°
helix angle. This helps to break swarf into small
manageable chips and reduce exit burr, which can
occur when drilling soft materials.
Offering high metal removal rates and reduced
thrust forces to improve hole quality and
productivity, Force N is available in 5xD and 8xD
lengths with through coolant. Dormer Pramet’s
existing assortment of solid carbide drills includes
Force X for use across a variety of materials and
Force M for stainless steel.
Finally, Dormer Pramet has launched a new solid
carbide drill for fast and accurate spotting. The
R125 has a 150° self-centering point geometry,
making it ideal for use with high performance
drills with point angles around 140°. Providing
consistent performance and repeatability in all
materials, a multi-layer TiAlN coating ensures
longer tool life, improved cutting-edge stability
and wear protection.
40 February 2020