video corpo

external threading tool / internal / for lathes / indexable insert
CoroThread® 266 Sandvik Coromant



  • Type:

    external, internal

  • Application:

    for lathes

  • Other characteristics:

    indexable insert, rigid


CoroThread® 266 is designed with an iLock interface to combat the extreme forces placed upon the insert in the threading operations. The tool guarantees excellent insert stability for ultimate accuracy, surface finish and product consistency.


Reduced machine- and downtime
Excellent surface finish due to the exceptional stability
High product consistency
Three sharp cutting edges for high-quality threads
Multi-point inserts available, require fever passes resulting in increased productivity


Large standard product range of tools and thread profile inserts
Insert geometries and grades for all materials
Unique guide rail interface between the insert and tip seat
Good edge indexing
Easy to mount the insert correctly
3 different insert sizes 16, 22 and 27± (3/8, 1/2 and 5/8 inch)
Pitches from 0.5 up to 7.0 mm (0.023.0 threads/inch)