Precision CNC Turning Rod Inner Hole Boring Tool S16Q/S20R/S25S/S32S-MTUNR/L16
High-grade carbide construction ensures durability and extended tool life for heavy-duty machining. Ultra-fine grinding delivers razor-sharp edges for flawless inner hole boring with micron-level accuracy. Optimized chip flute design minimizes heat buildup, enabling faster feeds and smoother finishes. Compatible with S16Q/S20R/S25S/S32S shanks, ideal for automotive, aerospace, and industrial metalworking. MTUNR/L16 geometry reduces vibration for superior surface quality in stainless steel, cast iron, and hardened alloys. Rigorous QC guarantees consistent performance for bulk orders. Global wholesale pricing—lowest online with no MOQ. Stock up for high-volume production runs.