Sandvik Coromant Threading - Manual (Page 68)

68
MM VM WH
21.7
(.854)
11.7 – 21.7
(.461 – .854)
11.7
(.461)
GC1025
1.
*2.
3.
6 1.8
9 4.3
12 6.5
14 6.5
1. 2. 3.
3. Products - thread milling
h
ex
0.05 mm (0.02 – 0.07)
.002 inch (.0008 – .003)
Max rec. f
z
0.15 mm
.006 inch
Metric 60° (MM)
Pitch: 1.50 – 4.50 mm V-profi le 60° (VM)
Pitch: 1.00 – 4.50 mm
24 – 5 t.p.i. Whitworth 55° (WH)
19 – 11 t.p.i.
Diameter (D
c
) mm,
(inch)
No. of teeth (z
n
) 3 3, 6 3
Grade ISO
Assortment - CoroMill® 327
Handling
For best performance, always clean the tip
seat before use. Pre-load the tip-seat on a new
tool by mounting and un-mounting the screw.
Use the correct torque for mounting the insert.
* Compared to full profi le turning inserts, full
profi le (60°) milling inserts top only one side of
the thread form.
V-profi le 60°
Full profi le 60°
Full profi le 55° (Whitworth)
Insert
size
Torque