1,carbide grade:GY03 GY01
2,threading form: round & buttress
3,coating:TiN TiALN AL2O3 TiCN
4,for oil pipe and drillrod

1,Specifications: 4 TPI, 5 TPI, 8 TPI, 10 TPI,

2,Thread:  ROUND THREAD, BUTTRESS THREAD

3,Coating:  TiN, TiCN, Al2O3, TiALN

4,Application: J55, N80, P110 

Our Carbide API Inserts are used for machining casings, tubings, leadout pipes, drill rod connectors, oil suching rods, separators, V-thread and buttress thread for oil  industry  as well as gas thread for geological applications in standard or special CNC threading turning machines.
They feature a rigid security and convenient clamping, finished teeth ground to a "narrow" API tolerance and excellent cutting performance.
The multi-layer-coating inserts have special properties of wear resistance at high cutting speeds in all kinds of CNC machines.
As a majore and professional manufacturer of carbide oil threading inserts in China, we can offer you a complete line of API threading Inserts for your application. 

Our customers are ranging from steel tube plants to oil fields.