Precision BT50-BST YBH200-310 Micro Fine Boring Head Set engineered for high-tolerance machining. CNC-milled from hardened alloy steel for superior durability and vibration resistance. Features a micro-adjustment dial (0.001mm precision) and dual-contact BT40 interface for maximum rigidity.

Thermally stabilized tungsten carbide boring bars eliminate tool deflection during deep-hole operations. Integrated coolant channels extend tool life in cast iron, aluminum, and hardened steel applications.

Complete set includes 20 interchangeable inserts (CBN/PCD compatible) and balanced counterweights for high-RPM spindle compatibility. Essential for mold making, engine cylinder boring, and aerospace component finishing.

Direct-from-factory pricing with bulk discounts for machine shops and OEM suppliers. ISO 9001-certified manufacturing with full metric/imperial scale options. Ships with calibration certificate and anti-corrosion storage case.