Precision BT40 Fine Boring Head Set for CNC Excellence

Engineered for ultra-precise hole finishing, this BT40 50-NBJ16 boring tool set features micro-adjustable fine-tuning (0.01mm increments) with hardened alloy steel construction for wear resistance. The balanced BT40 taper ensures vibration-free operation at high RPMs.

Ideal for aerospace tolerances, automotive cylinder boring, and mold/die machining. Includes dual-contact locking for rigidity and anti-friction thrust bearings.

Optimized for machining centers, this kit delivers mirror finishes in cast iron, steel, and hardened materials. The ergonomic adjustment ring allows fingertip calibration during operation.

Global wholesale pricing available for bulk orders with guaranteed lowest rates. Full OEM/ODM support for custom configurations.