3/8 Inch By 6 Inch Overall Length Indexable Boring Bar With CCMT21.5 Carbide Inserts For Small Bore Finishing And Profiling P252-S401 Right-Hand Workhorse

Single-unit indexable boring bar for small bore work
✔️ 3/8 in (9.53 mm) shank, 6 in (152.4 mm) overall length

This right-hand, indexable boring bar is designed for precision work in small bores. It’s commonly used in automotive machining, medical device components, and general metalworking where finishing and profiling passes with CCMT21.5 carbide inserts are needed.

✅ 80 degree CCMT inserts with negative 5 degree end and side cutting angle
✅ Boring from light roughing to finishing in small bores
✅ Profiling bar for semi-finishing and finishing operations
✅ Bar hardness approx 45 HRC
✅ Extreme fine gloss finish

💡 What is an indexable boring bar used for?

- Handy for precision boring of small bores with carbide inserts
- Enables profiling and semi-finishing in a single setup
- Handy tool when working in tight spaces and limited access