China High strength YT29A pneumatic drilling rig for rock ...
2021-7-20u2002·u2002YT29A pneumatic drill is suitable for drilling horizontal and inclined holes on medium hard and hard (F = 8 ~ 18) rocks, or upward drilling meow hole. The diameter of the gun hole is generally 34-45 mm, and the effective and economical drilling depth is 5 meters.
Get Price