LT-20drilling rig with high-speed cutting technology, and thin-walled diamond drill bits, drillingand coring are widely used in construction, municipal engineering, equipment installationengineering and construction projects in areas such as quality inspection.No power, drilling rigs and sampling size is accurate, smooth surface after drilling andDrilled wasno accidental damage. Applications:1, in roads, airports, ports, dams and other concrete, asphalt, limestone core on the basis ofcompressive and flexural tests. 2, installation of large machinery and equipment drill bolt holes. 3, install handrails and bridge traffic safety railings drilling. Main features:1, double-column structure, bolt up the way, good stability, simple operation and effort. With a walking wheel, easy to move. 2, high-speed cutting technology and diamond core drill bits, drilling cut high-strength concrete, high drilling efficiency, accurate holes, hole wall smooth, good quality into the hole, core samples complete smooth, low vibration, no building damage. Main technical parameters:1, Maximum drilling diameter: 200 mm 2, Maximum drilling depth: 700 mm (plus a connecting rod or lengthened drill)3, Output rotational speed: 800-1200 rev / min4, Power: 5.5 hp 9.0 hp 13 hp (Honda gasoline engine)5, Weight: 120 kg (5.5 hp) 190 kg (9 hp) 200 kg (13 hp) 6, Dimensions: 1080 780 1150mm Model LT-20 Core Drilling Diameter 20mm-350mm MaxCore DrillingDepth 700mmw