RCD Drill String (NW300) for Pile Diameter of 1220mm.
We JackCon Global supply high quality RCD Drill String and RCD Drill Bit including RCD Roller Cutters (TCI Button Cutters, TOOTH Cutters). All those products are made in Korea based on strict quality control.
Please contact to me if you are interested.
JackCon Global - Built on Trust
Jack Lim / C.P: +82-10-3590-7454
jackcon.global@gmail.com www.jackcon.co.kr