ISO 20 and ISO 25 Toolholders Feature
- Balanced up to 40,000 RPM at G2.5
- T.I.R. 0.0001" or better from taper to collet pocket
- PowerCOAT nut and retention knob included
*Balanced to 40,000 RPM. Use for Haas OM-1A, OM-2A Office Mills. Haas is trademark of Haas Automation and used here for identification only.