17 1/2"(444.5mm) Steel Tooth Tricone Bit For Soft Formation Drilling
Steel tooth tricone bits are also named milled tooth tricone bit, "steel" means the teeth material is steel, actually it is a type of special steels 15MnNi4Mo and the surface of steel material is hard faced by Tungsten Carbide to increase wear resistance.
Milled means the teeth is machined by milling machine, so steel tooth tricone bits have another names "mill tooth tricone bits" or "milled tooth tricone bits".
17 1/2 inches is always diameter of the first hole in deep well drilling, the formations are always soft in shallow section, so 17 1/2" is widely used in worldwide.
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Source :- http://en.skbit.com/product/270.html
Hebei Solidkey Petroleum Machinery Co., Ltd. locates in Hejian City, a historical city nearby Capital Beijing. Hejian city is one of locations of the well known Oilfield Huabei, rich resources and technical supports propelled the establishment and development of SOLIDKEY.
We specialize in researching and production of rock drilling bits, mainly includes tricone bits, PDC bits, HDD hole opener, foundation roller cutters and related tools, application fields includes oil well drilling, gas well drilling, geothermal well drilling, mining, geological survey, hydrographic survey, water well drilling, HDD pipelines projects, foundation projects.
With high-end equipment in the world, all of our activities are strictly complying with API specifications(Certificate No. Spec-7-1242) and ISO 9001:2015 standards. We have exported to more than 30 countries and areas with professional technical and marketing team, we devote ourselves to provide optimized solutions for various of applications and requirement, optimized solutions for specific projects is our working direction, we have same aim with customers--"Lower the cost of drilling per meter, achieve the most cost effective".
17 1/2 Inch