Portable Diamond Core Drill

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