High-Precision CNC Adjustable Micro Boring Tool Set (8Pcs)

Premium Material & Craftsmanship
Hardened high-speed steel (HSS) with titanium nitride coating ensures extreme durability and wear resistance. Precision-ground cutting edges guarantee smooth, vibration-free operation for superior surface finish.
Universal Compatibility
Fits BT40, BT50, HSK63A, DIN69871A40, and SK40 spindles. Ideal for milling, drilling, and finishing across metals, plastics, and composites.
Innovative Adjustability
Micro-adjustment mechanism allows ±0.01mm accuracy for ultra-fine boring diameters. Perfect for high-tolerance aerospace, automotive, and mold-making applications.
Industrial-Grade Performance
Heat-treated body resists deflection under heavy loads. Eight-piece set covers common boring ranges (3-20mm) for workshop flexibility.
Cost-Efficient Solution
Drastically reduces tool-change downtime. Mirror-polished chip flutes prevent material buildup for longer tool life.
Global Wholesale Advantage
Direct factory pricing with bulk discounts. Ships worldwide with OEM-quality assurance.