TNMG Boring Bar 50 mm BTUNR/L-16 is a CNC/internal turning tool holder used for boring (internal machining) operations with TNMG inserts.
- B Boring bar (internal turning tool)
- T Triangle insert type (TNMG)
- U 93 approach angle (common for general turning)
- N 0 relief angle (negative insert)
- R / L Right-hand / Left-hand cutting direction
- 16 Insert size (TNMG 1604 / 1608 etc.)
