S25 BTUNR 16 (TNMG BORING BAR)

This is a high-performance TNMG boring bar designed for internal turning and boring operations on CNC and manual lathes. The model S25R-BTUNR16 ensures precision machining, strong rigidity, and smooth chip removal. Compatible with TNMG16 series inserts, it is ideal for deep boring and facing tasks on various metals including steel and cast iron.

Key Features:

• Sturdy steel shank with anti-vibration design

• Suitable for TNMG16 triangular inserts

• BTUNR-style holder with 93° approach angle

• Secure clamping with top screw locking system

• Excellent surface finish and longer tool life

Applications:

• Internal turning

• Precision boring

• Roughing and finishing operations