Iso/Sk-40 Ad/B Guhring High Precision Modular 6 X 6 Alignment Adapter, 80Mm Mounting Flange, 55Mm Gage Length Provides Quick + Simple Ultra-Fine Axial & Radial Adjustment For Superior Concentricity And Alignment Error Compensation | Designed For Optimal Ultra-Fine Machining Operations Using Guhring's 6 X 6 Modular Hydraulic Chuck Flanges, Shrink Fit Flanges, Hpc Milling Chuck Flanges Or Hsk Adaptor Flanges | Sk To Din Iso 7388-1 Form Ad/Af | Balanced To G6.3 / 15,000 Rpm | 6 Balancing Threads M6 | For Highly Accurate Alignment Of All Modular Flanges 6 X 6 | Cooling Lubricant Without Loss Or Flow Disruption Due To Use Of An Intermediate Tube | Suitable For Mql & Conventional Cooling | For Coolant Through The Tool Applications You Must Order Intermediate Coolant Supply Sleeve Series No. 4716 Separately. Series No. 4725, Order Code 080.0400. Made In Germany, Guhring Part #9047250800400