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API 8 1\2' steel cone bit
Packaging & Delivery
Specifications8 1/2 Steel Tricone Drill Bits
1-API or ISO 9001: 2008
2-Delivery Date: In 7 days
3-Delivery term: By sea/ air
Hejian Fist Petroleum Equipment Co. , Ltd. We have been in line with the principle of faith-based, quality of survival and mutual benefit, provides the highest quality products and attentive service for our customers'. We are looking forward to establishing relationships with you in the near future
Milled tooth bits
1, Soft formations (114-117)
These bits are designed to drill the softest formations such as soft shales, red beds, and clays, with high durability and maximum penetration rates.
2, Soft to medium formations (121124126134136137)
These bits are designed to drill formations such as shales, medium soft limestone, Medium sandstone and other formations with intermittent hard streaks.
3, Medium to hard formations (213214215217)
These bits are designed to drill formations such as hard sandstone; dolomite; and broken formations with hard cherty streaks