Specifications

shaft drill jumbo be used to make well,pile foundation work of bridge,air condition well,

the shaft drill jumbo is convenient

shaft drill jumbo be used  to make well,pile foundation work of bridge,air condition well,
the shaft drill jumbo is convenient
1,rotate speed :30r/m

2,promoting weight:5tonne

3,the highness:8meters

4,rod:89x8mm steel pipe

5,power:22horsepower(hp)