Rems Diamond Core Drilling Crowns Universal The Rems Diamond Core Drilling Crowns Universal, available from Trade Counter Direct, are engineered for professional core drilling applications across a wide range of construction materials. Manufactured with precision using fully automatic soldering machines, these crowns ensure consistently high-quality soldered connections for reliable performance on site. Suitable for both dry and wet drilling, these universal crowns are compatible with hand-held drills or drill stands. Designed for use with all Rems Picus drive units and other suitable machines featuring a UNC 11/4 male connection thread, they deliver fast, efficient, and quiet drilling in even the toughest materials. Features Universally usable for both dry and wet drilling operations Compatible with hand-held drills and drill stands Uniform UNC 11/4 female connection thread for broad compatibility Inductively soldered diamond segments ensure consistent, high-quality connections Diamond segments feature a wedge-shaped (roof) cut for fast, easy, and quiet drilling Suitable for drilling in asphalt, concrete, steel-reinforced concrete, granite, limestone, sandstone, and brickwork Drilling tubes can be resoldered by simple hard soldering for extended service life Specifications Range/Series Universal Connection Thread UNC 11/4 female Drilling Depth 420 mm Compatibility All Rems Picus drive units and suitable drive units of other makes with UNC 11/4 male thread Suitable Materials Asphalt, concrete, steel-reinforced concrete, granite, limestone, sandstone, brickwork