Interlocking Kelly Bar Number Outer Diameter(mm) Elements Max Drilling Depth(m) Retracted Length(m) 1 254 2 or 3 10 to 30 6.45 to 11.45 2 292 2 or 3 ....
Drilling Augers Double Cut Flat Drilling Bucket Used for Rock Drilling Rig Main Application: Soft to stiff silt and caly, loose to medium dense sand ...
high quality drilling tools flat drilling bucket used for bored pile foundation Quick Details Place of Origin:WUXI, China (Mainland) Brand Name:TYSIM ...