Product Description

Milled tooth bits
1. Soft formations(******7)
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(**1,**4,**6,**4,**6,**7)
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(**3,**4,**5,**7)
These bits are designed to drill formations such as hard sandstone, dolomite, and broken formations with hard cherty streaks

Hebei Zhankui Drill Equipment Co., Ltd, Spare Parts Compact was established in ***0.professional supplying (new and used)Tricone bits(TCI bit and steel tooth bit),PDC bits, drill pipe, drill collar,put together the long diameter bits and so on drilling equipment for petroleum & gas, water well ,mining and tectonic industries.

Only one of the manufacture of PDC bit and diamond core bit in our area.

The size ranging from 3" to *7 1/2" ,of various type as per IADC code which is a drilling tool used for oilwell, water well & coal mines exploration.

To supply all our clients the best quality products is our eternal persuit...