PDC Drag bit for mining,water,construction,geology Size:56mm upto 311mm 3wings,4wings,5 wings,6wings(blades) Dragging drill bits, with their unique .....
PDC Concave bit for mining Size:56mm upto 311mm 3wings,4wings,5 wings The drag drill bit adopts advanced cutting technology and optimized tool layout, ...
During the design and manufacturing process of dragging drill bits, attention is paid to the stability and reliability of the product. It is made of ....
Step Drag Bit Drag bit are manufactured from forged high quality alloy steel and PDC cutter insert, plus state of art welding technology and multiple ...