The square drill pipe mainly produces the geomechanical crane type square drill pipe and the Hitachi crane type square drill pipe. Features kelly type ...
Customized Drilling Tools Piling Rig Attachment Kelly Rod Kelly Bar BG28 OD419x4x19m Elements 2-6 Damping Spring Usual spring & Disc spring Kelly Box ...
Foundation Drilling Tools Kelly Bar 4X13m For Drilling Equipment Soilmec SR60/SR40/SR518/R622HD /SR80 What is a kelly bar ? A hollow bar attached to ....
Specification No. Diammeter of The First Section Sections Key Pressure Type Length of per section(m) Drill depth Torque(KN.M) 1 ¢299 3 Interlocking 9....
Bullet Teeth Core Barrel Drilling Rig Tool For Hard Rock Layer Construction JTHL Drilling Tools Core Barrel With Bullet Teeth Open Bucket : FEATURE : ...
damping spring We can provide you with different sizes of kelly damping springs according to your needs, we have much experience in filed of kelly bar...
Special Damping Spring Diac plate spring for piling rigs Buaer BG24 BG27 BG36 etc kelly bars Beijing Jietaihongli Technology Co.,Ltd The function of ....
Piling Rig Kelly Bar Tool Need Bauer Type Kelly Tube 200*200 For Drilling Rigs Beijing Jietaihongli Technology Co.,Ltd Kelly box is kelly bar drive .....
Foundation Construction Piling Rig Kelly Bar Need Transimattion Kelly Stube Plus 1m Tube For Kelly Rod Beijing Jietaihongli Technology Co.,Ltd Kelly ....