Coal drill rod introduction

Coal and rock drill pipe in the production process, materials used special techniques to deal with the way the drill pipe to increase the strength, hardness and wear resistance, extended life, increased economic efficiency. Detailed parameters Specifications :0.5-6 mDepartment of the promotion of coal drill three small products, and Φ27mm, Φ28mm, Φ30mm, Φ32mm four specifications. Detailed parameters In three small products based on user requirements can be customized according to Φ36mm, Φ3 8mm, Φ40mm, Φ42mm type bolt drill bit, to cater for the various Φ26mm-Φ40mm drill rods and bolts of the machine B 19, B22 hollow hexagonal drill pipe the use of holes. Is divided into two categories, I type for soft rock drilling, type applies to hard rock and hard rock drilling.

Coal drill rod photo

Coal drill rod