perforación de roca de 3 pulgadas
2. Reduced Friction The helical shape minimizes friction between the drill bit and the material. This reduction in friction leads to less wear and tear on both the drill bit and the drilling equipment, extending their lifespan.
สรุป
Second, the use and characteristics of the drilling rig:
1). Use:
Engineering anchoring drill can be used in urban construction, railway, highway, river, hydropower and other projects to drill rock anchor hole, anchor hole, blasting hole, grouting hole and other drilling construction.
Second, the use and characteristics of the drilling rig:
1). Use:
Engineering anchoring drill can be used in urban construction, railway, highway, river, hydropower and other projects to drill rock anchor hole, anchor hole, blasting hole, grouting hole and other drilling construction.