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High-performance 16ER indexable insert for imperial threads

With the 16ER version for 55° imperial threads, Rinaldi-Tools offers a professional solution for demanding external machining. The partial profile geometry makes this threading insert particularly versatile, allowing multiple pitches to be cut with a single tool. The robust RT315 solid carbide grade supports consistent workflows in modern turning operations.

Suitable materials

   

Technical data

  • Insert size: 16
  • Thread application: External thread (Right-hand)
  • Profile: 55° partial profile (Imperial)
  • Cutting material: PVD-coated solid carbide RT315
  • Packaging unit: 2 pieces

Dimensions of Threading insert 16ER (55°)

  Item Nr. ISO TPI I.C. S d
16ER-T-A55-G RT315
1881351 16 48-16 TPI 9,525 3,52 4
16ER-T-AG55-G RT315
1881352 16 48-8 TPI 9,525 3,52 4
16ER-T-G55-G RT315
1881353 16 14-8 TPI 9,525 3,52 4

Cutting data

ISO Material Cutting Data
P Steel Vc= 80-150 m/min
M Stainless Steel Vc= 80-120 m/min
N NF-Metals Vc= 120-300 m/min 
S Special Materials Vc= 20-60 m/min

Applications

This thread turning insert is designed for producing right-hand external threads with a 55-degree flank angle, commonly used for Whitworth or BSP pipe threads. It is widely applied in mechanical engineering, maintenance, and general turning operations.

Special features

The PVD coating of the RT315 carbide grade enhances wear resistance and promotes efficient chip control during universal applications. The partial profile design reduces the need for tool changes, as various pitches can be machined without changing the insert.

1881351

Data sheet

Inside/Outside
Outside
Gewindeplatten Große
16
Gewindeplatten Verwendung
RT315 Steel and Stainless Steel
Gewinde
Imperial
Materials
NF-Metals
Plastic
Stainless Steel
Steel
Rechts-Links
Right
thread profile
Partial profile

Compatible products

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