Tools for thread turningPramet_web_RGB.jpg


Pramet offers tools for turning of external and internal threads and indexable cutting inserts with full profile for M, W, RD, API, TR, UN and ACME threads. The offer is completed with inserts with partial profile for 60° threads. The inserts are available in productive and universal grade 8030 with PVD coating. We provide other alternatives such as thread profile, insert design or grade in the form of a special product.





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The basis of the offer is represented by all-ground indexable cutting inserts with full profile. Ground indexable cutting inserts are the best choice for low-carbon and corrosion-resistant steels but also for most of other materials. Pressed indexable cutting inserts (P1 specification) are used for turning of harder materials and/or for threading in holes.
Inserts with full profile are suitable for serial and repeated production. Partial profile is suitable for single-piece production because it covers a certain extend of lead of threads, e.g. 1.5 - 3 mm. Standard tools are used for lead of threads up to 3 mm included, but it is necessary to use a direct holder (S specification) for higher lead of threads.
It is necessary to select inclination angle of the indexable cutting insert correctly for a correct function of the tool. The correct inclination is ensured by shims with different inclination angles (external and internal tools) or it is fixed by means of tool design (internal tools).

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