HILTI DD-ST 150-U DIAMOND CORE DRILLING STAND. FOR USE WITH DD 150-U DIAMOND CORE DRILL. This Hilti DD-ST 150-U Diamond Core Drilling Stand is in good condition and in perfect working order. It has been fully stripped, cleaned and fitted with new Hilti parts. Switch Locking Plate – DD-SW-150. Clear Cover & Seal for Pressure Gauge. Nameplate – DD-ST 150-U CTL. Adhesive label – vacuum drilling. Adhesive label – overhead drilling. 4 x Lifting eye bolts M10X75. 1 x Used Handwheel. 1 x Used Depth Gauge. 1 x Used Set of Vacuum Base Seals.