30° trapezoidal threading inserts (TR) – INNOT insert
30° trapezoidal threading inserts (TR) – INNOT profile

30° trapezoidal threading inserts (TR)

Inserts for ISO 30° trapezoidal threads (TR), used on lead screws, vices, presses and power transmissions.

ISO P

ISO M

ISO S

Threading

pitch 1.5 – 6 mm

★ IT5225

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Technical data sheet PDFCutting data, sizes and grades

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Fits on
Threading toolholders

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INNOT grades

CVD, PVD and cermet for ISO P, M, K, S

Standard ISO designation

Compatible with the insert holders you use

Technical support

We help you choose grade and chipbreaker

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For stock orders throughout Italy

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Description

Profile

30° trapezoidal threading inserts (TR)Lead screw and power transmission threadsINNOTpart (external thread)INNOT insertP (mm)30°axis30°pitch 1.5 – 6 mmexternal and internalright- and left-hand

Range

Profile 30°
Pitch range pitch 1.5 – 6 mm
Type External (E) and internal (I), right-hand (R) and left-hand (L)
Insert size Inscribed circle 6.35 (11), 9.525 (16) and 12.70 mm (22); 3.97 and 4.76 mm for small internal bores
Construction Sintered with chipbreaker, or precision ground (P) for tight tolerances and finish
Typical application Lead screws, vices, presses, transmissions and fixtures.

Available INNOT grades

Grade ISO Coating Composition Application
IT5225 ★ P · M · S PVD Multilayer PVD First-choice grade for threading: steels, stainless steels and superalloys, excellent resistance to profile wear.
IT5125 P · M · S PVD Multilayer PVD Tough grade for threading in unstable conditions and interrupted cuts on steels, stainless steels and superalloys.

★ Recommended grade. On request also CVD grades for steels and cast irons, uncoated carbide for aluminium and cermet for finishing.

Tips for use

  • Decreasing depth of cut: lighter passes as you approach the thread root.
  • Flank infeed (modified infeed at 3–5° on the flank) for better chip control and longer insert life.
  • Choose the shim according to the thread helix angle: flanks that do not rub and a correct profile.

Which insert for your thread?

Tell us the thread (e.g. M20×2.5 external or 1/2″ NPT internal), material and toolholder: we tell you insert and grade with the quote.

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Printable cutting data tableAll the data on this page in an INNOT PDF to keep in the shop.Download PDF