HY-PRO® SHRINK High Precision Shrink Fit Tooling For Small Shank Diameter use h7 Shanks The HY-PRO® Shrink System can be used for tools with a minimum shank diameter of 3mm. If the shank diameter is between 6mm and 12mm, the system requires at least an h7 shank tolerance. A wide variety of tools are applicable. Various Coolant Supply Devices Through the Tool Suitable when using a tool with internal coolant to supply the point of the cutting edge. This is especially effective for drilling because the coolant is guaranteed to reach the cutting area. Through the Holder Supplies coolant from the front face of the holder. This is used for tools without internal coolant supply and regular or slim type extensions. Through the Collet Supplies coolant from the front face of the shrink extensions. Although the diameter of the collet end face increases, coolant supply becomes even more effective. 1322 HY-PRO® SHRINK WWW.OSGTOOL.COM