Bestlink Factory Cop84 M80 SD8 Ql80 Down The Hole DTH Rock Drilling Hammer Button BitWith professional manufacturing experience in DTH hammer production, our factory can supply you with high pressure and medium to low pressure DTH hammers. It strictly matches with API standard and other Chinese indu

Top hammer retractable drill bit T51 underground mining drill bit

China Manufacturer Factory Price Sandvik Atlas Copco Epiroc R22 R25 R32 R35 T35 R38 T38 T45 T51 St58 Gt60 St68 Retrac Retract Threaded Button Drill Bit

Features of Bestlink made DTH(down the hole) hammer bit:(1) Made from premium quality nickel-alloy steel 25SiMnCrNi2MoVA for increased durability and wear characteristics, and YK 05 tungsten carbide which is same grade as internationally well-known brand.(2) Apply "hot (thermal) -insertion" processi

Features Hardening treatment of the part's surface with longer operating life and excellent anti-wear properties. Structural Optimization, improving the structural strength and ease of operation Superior Performance, high drilling speed with stable and reliable performance Application Range It is suitable for drilling water wells, geothermal wells, short micro piles,medium mini-type grouting hole of building, demand harbor project. Operation Procedure 1.when the drilling starts, the wings swing out, and reams to drive the casing shoes and tubes into the hole. 2.When finished the drilling in overburden rock formations, reverse the drilling tools and the wings will get closed, and the drilling tools can be raised from the hole. 3.Next construction can be followed.

Features Hardening treatment of the part's surface with longer operating life and excellent anti-wear properties. Structural Optimization, improving the structural strength and ease of operation Superior Performance, high drilling speed with stable and reliable performance Application Range It is suitable for drilling water wells, geothermal wells, short micro piles,medium mini-type grouting hole of building, demand harbor project. Operation Procedure 1.when the drilling starts, the wings swing out, and reams to drive the casing shoes and tubes into the hole. 2.When finished the drilling in overburden rock formations, reverse the drilling tools and the wings will get closed, and the drilling tools can be raised from the hole. 3.Next construction can be followed.