Boka SK40-ER32-70 AD/B collet tool holder

The Boka SK40-ER32-70 AD/B toolholder is designed for demanding milling and drilling applications on CNC machines. With a concentricity of only 0.005 mm TIR and precision balancing up to G2.5 at 20,000 rpm, it ensures maximum precision and minimized vibration. The tool is made of alloyed structural steel and hardened to HRC48-52 for exceptional strength and durability. With the AD/B central coolant option, the holder is ideal for applications requiring efficient chip removal.

Product advantages

• High concentricity: Concentricity of only 0.005 mm TIR guarantees excellent machining quality and extends the service life of your tools.
• Dynamically balanced: Precision balancing according to G2.5 up to 20,000 rpm minimizes vibrations, protects the spindle and improves surface quality.
• Rugged durability: Made from alloyed structural steel, hardened to HRC48-52 , and with a cone ground to AT3 accuracy for maximum durability.
• Central coolant supply: The AD/B spindle coolant supply enables efficient cooling and chip removal directly at the cutting edge.
• Wide compatibility: Perfectly suited for drilling and milling machines, as well as CNC chucks or holders . The critical surfaces are precision ground.

Specifications