China Beijing JerryMetals Co., Ltd

Standard: API SPEC 7 Material: ***5H, ***5H Mod Size: 2 1/2&#*4; - 6&#*4; for square kelly, 3&#*4; -

Standard: API SPEC 7 & NS*1 Material: ***5H, ***5H Mod, Non Magnetic Type: Slick Drill Collar, Spir

Standard: API SPEC 7 & NS*1 Material: ***5H, ***5H Mod, Non Magnetic Type: Integral HWDP, SWDP, Non

Standard: API SPEC 5D Grade: E*5, X*5, G**5, S**5 Size: 2 3/8&#*4; - 6 5/8&#*4; in various lengths

There are many kinds of carbide used on drill bits or stabilizers, we could produce any shape according to you

Drill Pipe (API SPEC 5D): 1,Grade E Drill Pipe 2,All hight strength grades of drill pipe (Grades X**5,G