Rotation speed

Slow 20r / min

Quick 100r/min

working air pressure

Drill rod

89x8x3300mm

Drill tower height

4-7 m

Power

50kw diesel engine

Dear friend, do you know how to get a suitable machine ? If not, pls kindly check following things, and send the information to Miss Debbie Liu 
1. Functions :  for water well, coring , soil testing, pile foundation, geological project or others ?
2. Stratum :  all hard rocks or mixed with soil , sand, gravel and soft rocks ? 
3. Drill depth: 50m,100m, 150m, 200m, 300m, 400m or ?
4. Hole dia. :  3'', 4'' , 5'', 6'', 7'', 8'' or ? 

Contact Person: Mia Zhang