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High-Performance Threading Insert 16IR for Metric Internal Threads

The right-handed 16IR full profile threading insert is explicitly tailored for the precise machining of metric internal threads with a 60° flank angle. Paired with the PVD-coated RT315 grade, this cutting tool covers a remarkably wide range of turning applications. The exact geometry of the full profile ensures clean thread flanks and promotes high dimensional accuracy, which typically allows for burr-free production and eliminates the need for time-consuming rework. This dependable indexable insert is supplied in a convenient packaging unit of 2 pieces.

Suitable materials

Technical data

  • Insert size: 16
  • Application: Inside thread
  • Direction: Right
  • Thread type: Metric
  • Profile type: Full profile
  • Flank angle: 60°
  • Cutting grade: RT315 (PVD-coated, P15-P25 & M10-M25)
  • Packaging unit: 2 pieces

Dimensions of 16IR Full Profile Threading Insert

Item Nr. ISO Pitch I.C S d
16IR-V-ISO-1,0-G RT315 1881311 16 1,0mm 9,525 3,52 4
16IR-V-ISO-1,25-G RT315
1881312 16 1,25mm 9,525 3,52 4
16IR-V-ISO-1,5-G RT315
1881313 16 1,5mm 9,525 3,52 4
16IR-V-ISO-1,75-G RT315
1881314 16 1,75mm 9,525 3,52 4
16IR-V-ISO-2,0-G RT315
1881315 16 2,0mm 9,525 3,52 4
16IR-V-ISO-2,5-G RT315
1881316 16 2,5mm 9,525 3,52 4
16IR-V-ISO-3,0-G RT315
1881317 16 3,0mm 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 threading insert is an excellent choice for challenging internal thread turning in mechanical engineering, toolmaking, and general manufacturing environments. Thanks to the versatile RT315 cutting grade, the indexable insert provides great flexibility when working with frequently changing materials such as steel, stainless steel, non-ferrous metals, and various special alloys. Its sophisticated design supports robust production workflows where profile fidelity and consistent removal rates are a priority.

Special features

The ground 60° full profile enables the manufacturing of dimensionally accurate threads in a single continuous machining operation, cutting out the complete thread profile effectively. Furthermore, the high-strength PVD coating (P15-P25 & M10-M25) ensures excellent wear resistance alongside high thermal stability at the cutting edge. This specific combination lays the foundation for seamless workflows and consistent thread quality across varying cutting conditions.

1881311

Data sheet

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

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