Selecting the Right Direct-Thrust Drilling Bits for the TaskChoosing the right DTH drilling bit is no easy feat, as there are countless options with varying features available. To ensure you get the most out of your purchase, here are some tips to keep in mind when selecting a DTH drilling bit for y

1、Check the integrity and rotation of all parts (including rock drill, bracket, or rock drill cart) before rock drilling, fill necessary lubricant, and check whether the wind and waterways are smooth and whether the connection joints are firm. 2、Knock on the roof near the working face, i.e. check wh