Accordance with API SPEC 7 standard Type: Chevron and Step type.Wings: 2, 3 and 4 wings.Size: 2 7/8" to 24"Thread: 2 3/8, 3 1/2, 4 1/2, 5 1/2, 6 5/8 API Reg. Pin.Drag bit are manufactured from forged high quality alloy steel and premium tungsten carbide insert, plus...

accordance with the standards API Spec.7 There are rich and diverse roller bits to meet different requirements of formations and rotary speeds. The sizes of the gage diameter and the types of bit are strictly designed in accordance with the standards API Spec.7, with the...

All types , sizes of PDC Bits and PDC Core Bits are available All types , sizes of PDC Bits and PDC Core Bits are availableYJ Bit specializes in new,reruns and retips for the following:Mining Bits Oil Well Bits Water Well Bits Geothermal Bits Environmental Bits Construction...

All types , sizes of PDC Bits and PDC Core Bits are available YJ Bit specializes in new,reruns and retips for the following:Mining Bits Oil Well Bits Water Well Bits Geothermal Bits Environmental Bits Construction Bits Exploration Bits Blast Hole Bits  YJ Bit...

accordance with the standards API Spec.7 Diamond Drill Bits of synthetic material made of polycrystalline diamond our company sold for the use of oilfield drilling products are in strict compliance with API SPEC 7 quality standards, and have the certificate of authority to use the...

accordance with the standards API Spec.7 There are rich and diverse roller bits to meet different requirements of formations and rotary speeds. The sizes of the gage diameter and the types of bit are strictly designed in accordance with the standards API Spec.7, with the...