Beijing LongTongShengDa Technology Co., Ltd

Beijing, China

• Model NumberDC381
• Country of OriginChina

We are offering portable diamond core drill. Brief instruction portable core drill is a shallow sampling drilling system. Different accessories for your choosing with different demands. With strong power, low loss but high speed sampling, portable core drill has met with great favor in varies application fields at home and abroad. Product advantages *strong power, high speed sampling *aerial material, firm and durable *light weight, easy to be carried * extensive use, high cost performance product application *geological survey *regional geological mapping *oil exploration *mine lode exploration * paleomagnetic sampling *tunnel lining detection *geophysical and geochemical sampling *geotechnical engineering testing product specification name portable core drill portable core drill portable core drill model dc250 dc381 mmprd power 3.1hp（2.3kw） 5.3hp（4kw） 1.1hp（0.8kw） engine stihltwo stroke stihltwo stroke stihltwo stroke connections locking system no screw thread locking system no screw thread threaded connection speed changes devices no no yes size of drill bit external diameter 28.0mm-28.5mm 28.0mm-28.5mm 28.0mm-28.5mm internal diameter 25.4mm 25.4mm 25.4mm

Core drilling is one of the most valuable tools available to any exploration geologist or mineral prospector. We specialize in core drilling environmentally sensitive or difficult to reach areas.Fast, safe, effective, and low impact， Using a Backpack Drill we have the ability to drill cores up to 50′ deep through almost any material under almost any conditions. We have the capability to drill cores in 25mm, 41mm, 51mm sizes or others as your requirement. Product Advantages *Strong Power, High Speed Sampling  *Aerial Material, Firm and Durable *Light Weight, Easy to be Carried  * Extensive Use, High Cost Performance Product Application *Geological Survey  *Oil Exploration  *Paleomagnetic Sampling  *Regional Geological Mapping  *Mine lode Exploration  *Tunnel Lining Detection *Geophysical and Geochemical Sampling  *Geotechnical Engineering Testing