THREADMILL



Solid thread-milling cutters are designed mainly for internal thread-milling of small diameters, in modern CNC multi-
operation machines in which speed of the spindle and the control system facilitate the use of carbide tools. The solid
thread-milling cutters have two or more spiral flutes which lead to shorter machining times, compared to tools that have
only a single edge. A new, time saving feature is the deburring edge that most of our solid thread mills are equipped with. Threading and deburring are made in one operation. The deburring solid thread mills are identified by the letter "B" in the catalog number. All of our solid thread-milling cutters have 15° helical angle and are available for the following types
of thread:


M




UN
G
BSPT
NPT
NPTF
PG
NPSF

Metric
Metric with chamfer
Metric with internal cooling
Metrich with internal, radial cooling
Metric Mini
Unified
Pipe thread, Whitworth
Pipe thread, BSPT
Pipe thread, NPT
Pipe thread, NPTF Dryseal
Conduit thread
Pipe thread NPSF



Solid thread-milling cutter






Solid thread-milling cutter with chamfer






Solid thread-milling cutter with internal cooling






Solid thread-milling cutter Mini



K20X
Carbide with TiAlCN coating







Shank
Cylindrical with h6 tolerance, DIN 6335 HA


Range of use
Thread milling in all types of material





The indexable thread-cutters can be used for both, internal and external thread milling. The high indexing precision
permits changing of inserts without altering the machine setting or the program. Our thread milling cutters are available
for the following types of thread:


M
UN
G
BSPT
NPT
NPTF

Metric
Unified
Pipe thread, Whitworth
Pipe thread, BSPT
Pipe thread, NPT
Pipe thread, NPTF Dryseal



single-pocket







twin-pocket







single-pocket with carbide shank







four-pocket



Cutter shanks
Cutter shanks are available in four models, for one to four
inserts. Production time is halved by using two inserts in-
stead of one. A channel in the cutter shank leads coolant to
the insert.


Thread milling cutters
Most cutters have two precision-ground edges and can
therefore be used on two sides. Some of the “coarse”
pitches are excluded and also cutters for taper threads,
such as NPT, NPTF, BSPT, etc. The thread milling cutters
are available in four sizes: 14, 21, 30 and 40 mm.


Tolerance
The close tolerances of the cutter and its inserts facilitate
the use of more than one insert, without jeopardising toler-
ances of the finished part.
*) Clearance angles are achieved by tipping the cutter 20°
for cutter sizes 14 and 21 and 15° for size 30 and 40. The
significant cutting forces that occur tend to lift the insert.
We have solved this with a 15° oblique contact surface that
counteracts the force. Consequently, you can increase the
rate of feed without risking that the clamping screw will
fracture.


Range of use
Thread milling in all types of material




Tolerances  



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