Shanxi Weigao Drilling Tools Co., Ltd

Square kellys is made from AISI 4145H alloy steel acc. to API Spec.7 and SY/T6509. Kelly is at the top of drill string, which has two types, the squa

API Drill Collar 1.Material:AISI4145H 2.OD:79.4mm-279.4mm 3.API 17-1/ISO Certificate 4.Factory Directly

Drill pipe is steel or aluminum made pipe that serves to transmit rotation and transports the drilling fluid from the surface equipment to the bit at

1.Low carbon steel, stainless steel, etc 2.OD:79.4-279.4mm 3.Factory directly 4.Timely delivery 5.Meet the requirement of API

Drill pipe is made from alloy steel acc. to API Spec.5D. All threads are phosphate plated copper or cold worked. All connection are equipped with pres

Integral Heavy Weight Drill Pipe is made from 4145H alloy steel and fully heat treated, all physical properties conform to the latest API Spec7. 3-1/

non-excavation drill pipes, drill collar, integral drill pipe, short drill collar, short bent collar direction sub and fixed sub with specifications o

Function: Be used to lift drill collar and other special drilling tools. Feature: Easy for operating, lifting the drilling tools safely.