100% new good the hole drill bit/26'' hole opener/reamer bit/assembled bit for drill well Cutting Structure The reamer mainly consists of four or more cones. Cutting Structure with premium tungsten carbide ... Подробнее
hole opener drill bit 1.Hole openers are designed for the enlargement of pilot holes and large hole applications.They are also used for road and river crossing application. 2.The hole openers are manufactured ... Подробнее
Hole opener bit for 24inch We(Chuanda ) can design all the rock reamers (Hole openers ) for both horizontal directional drilling and vertical drilling as your special request,for example center shaft length, ... Подробнее
Hole opener bit for 1200mm We(Chuanda ) can design all the rock reamers (Hole openers ) for both horizontal directional drilling and vertical drilling as your special request,for example center shaft length, ... Подробнее
Hole opener bit for 500mm We(Chuanda ) can design all the rock reamers (Hole openers ) for both horizontal directional drilling and vertical drilling as your special request,for example center shaft length, ... Подробнее
Hole opener bit for 1200mm We(Chuanda ) can design all the rock reamers (Hole openers ) for both horizontal directional drilling and vertical drilling as your special request,for example center shaft length, ... Подробнее
Hole opener bit for 36inch We(Chuanda ) can design all the rock reamers (Hole openers ) for both horizontal directional drilling and vertical drilling as your special request,for example center shaft length, ... Подробнее
Hole opener bit for 24inch We(Chuanda ) can design all the rock reamers (Hole openers ) for both horizontal directional drilling and vertical drilling as your special request,for example center shaft length, ... Подробнее
Hole opener bit for 24inch We(Chuanda ) can design all the rock reamers (Hole openers ) for both horizontal directional drilling and vertical drilling as your special request,for example center shaft length, ... Подробнее
Hole opener bit for 12 1/4inch We(Chuanda ) can design all the rock reamers (Hole openers ) for both horizontal directional drilling and vertical drilling as your special request,for example center shaft length... Подробнее
