430 / 430-1 split down the hole drill
This type of drilling rig is a traditional heavy-duty split drilling rig of Zhigao. Its super strength full function design and high-level configuration are recognized by the majority of users;
The high-pressure oil pump drives the whole series of high-pressure components, making the products suitable for various apertures and working conditions;
The maximum rotary torque of 5500n. M can be selected, which is suitable for the operation of anchor rod, root pipe and large diameter twist drill pipe.