Counter Boring Tool Type 1137

- push counter boring tool for deep drilling in the diameter range Ø44 - 500 mm - Tool with fixed drilling diameter - cutting depth depending on diameter from 4 - 14 mm - optionally with single-start BTA thread or four-start STS thread - equipped with an additional row of fibre guides for more precise guidance and vibration damping - Indexable inserts available in different versions (carbide, coating and chip breaker). The insert is triangular and has 3 cutting edges.