For drilling tools, there are not only rock drilling bucket, soil drilling bucket, in order to meet the different needs of piling during foundation construction, there are cleaning bucket, centrifugal drilling bucket, special designed open type drilling bucket, belling bucket, cross cutter core barrel, double layers core barrel, triple layers core barrel, etc. All of these bucket tools play important roles in pile driving.  According to the different needs of customers, we could recommend or OEM customized drilling tools for customers.  For these special drilling bucket tools, click following to understand more: