Sandvik Coromant Threading - Manual (Page 71)

71
MM UNC/UNCF NPT/NPTF
  
3.2 – 19
(.189 – .551) (.311 – .783)
3 – 5 3 – 5 3 – 5
GC1620
GC1630
3. Products - thread milling
CoroMill Plura – grade selection
GC1630
With internal coolant
GC1620
Without internal coolant
Cutting data and programming
Use PluraGuide for tool selection, cutting data and programming
information.
Metric 60° (MM)
Pitch: 0.7 – 3.0 mm UN 60° (UN)
28 – 10 t.p.i. NPT/NPTF 60°
27 – 11.5 t.p.i.
Type of insert
Full-profi le
Diameter (D
c
) mm,
(inch)
No. of teeth (z
n
)
ISO
≤48 Hrc
≤56 Hrc
Assortment - CoroMill® Plura