If you have questions about our products, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. SD-712 Surface DTH Drilling Rig 35m For Quarry Product: Crawler Type Surface DTH Drilling rig Drilling Depth: 35mDrilling diameter :90-120mmPower: 78KW diesel engineDrilling method: widely used in mining, construction, quarrying, and exploration activities for drilling blastholes, foundation holes, anchors, geothermal wells, etc. We're here to help,Easy ways to get the answers you need. Mobile Phone: 008618137852864 Email: [email protected] Please enable JavaScript in your browser to complete this form.NameYour NameEmail *Your EmailPhone *Your Phone NumberComment or Message *Please include your detailed requirements, so that we can quote the best price accordingly.Submit