The ZQSJ-140/4.3 hand-held column pneumatic drilling machine is a new type of portable anti-outburst pneumatic drilling machine developed by our company which enjoys international leading position and equipped with many national patent. It is explosion-proof, high torque, high rolling speed, light weight, small volume, simple structure and easy repairing. It is well designed to detect geological structure seam, underground water, oil, gas detection and releasing, pressure-releasing hole drilling, tunnel drill through, tunnel supporting and other special usage. This drilling machine is equipped with support, which is able to raise the stability while drilling and raise the drilling efficient.

Main advantages are as follows:

No exposed aluminum parts: It is designed with European standard, and it is safer to operate it underground.

Lighter: New material and new method are adopted to reduce the weight of the product and labor, it is 20% lighter than the product of its kind.

Lower voice: Unique noise-reducing structure to raise the comfort while using.

Smart outlook: Integral shaping stainless steel shell instead of welding which makes the outlook more attractive.

Full function: Equipped with positive and reverse rotating function. It is easier to reverse the bit to pull it out, the convenient operation and high efficiency reduce the labor.

Novel structure: The new design of mosaic type valve body makes the shell and the valve a whole part, which is easy to assemble and repair and reliable.

New design: the positive and reverse function is a new unique design, the one way valve structure replaces the traditional double way air control structure, which makes it more easy to repair and install and save the time and trouble of adjusting the the valve,more convenient to operate raise the working efficiency at the same time.

Performance and Parameters