1. Thread milling
Thread milling

2. Corrected thread profile
Way of the tool centre
Way of the tool centre
Corehole-dia.
Major-dia. (contour)
small correction of
the profile
radial contact points
large correction of
the profile

3. Inserts
Reasons why the inserts can not damage the profil in the work piece:
1.) inserts are corrected at the profile
2.) The position of the inserts in the body is in front of the center line
3.) the inserts fits in 90° in the body
4.) The positioning guarantee enough space between backside of the insert and work piece
> 60°
The inserts are with a corrected thread profile

4. NORIS NES – Inserts Cat. No.: F510, F511, F512, F513, F514, F521
Thread types:
M, UN, G
Material:
Carbide - P30
Coating:
TiN or TiAlN
Cutting edges:
F521: 2 / all others 4
Dimensions:
M: 1,0 mm – 8,0 mm pitch
UN: 24 – 3 tpi
G: and 14 tpi
Suitable for:
Steels and difficult machinable materials up to 1400N/mm²
Stainless steels up to 1100N/mm²
Non ferrous and cast materials