Different size and different profile diamond and alloy drilling bits for water exploration and broaching We produce different size of drilling bits for different usage: drilling bit for bolting: material: ... Read More
ZYJ-380/210 HYDRAULIC FLAMEPROOFED UNDERGROUND EXPLORATION DRILLING RIG WITH POST 1.The drilling rig is made of three parts, propelling and supporting part, power pack, control panel. 2.It is mainly be used for ... Read More
ZYJ-400/130 Trestle hydraulic rotary drilling rig for caving hole and grouting hole ZYJ-400/130-trestle hydraulic rotary drilling rig is applied to drilling of caving blast holes, drain holes, gas drainage hole... Read More
Pneumatic Roof Bolter for roof supporting in the underground coal mine MQT-130 It is mainly used for drilling bolting holes in the roof of underground coal mine. The hardness of the roof can be less than 80Mpa. ... Read More
It is mainly used for drilling bolting hole on the roof of underground roadway. The hardness should be f≤10. The rid bolter is handhold. It is with the features of large torque, small weight, low noise, high ... Read More