PDC core bit
USD $1 - $2 /Piece
Min.Order:5 Pieces
Hunan Flydisc New Material Co., Ltd.
It has a high driling efficiency in soft tock and applicable for opening hole,With fast drilling and it can meet the needs of big diameter.It is applicable for rock class of 1-6.And it is applicable for formation e.g mudstone and soft shale,etc.