Drill Pipe and Drill Collars
- 23/8″ to 65/8″ OD standard drill pipe & HWDP
- Special sized high-torque drill pipe: 2 3/8”, 2 7/8”, 3 ½”, 4″, 4 ½”, 5”, 51/2″, 57/8″
- 31/8″ to 11″ Standard and Spiral Drill Collar
- High Torque Drill Pipe, HWDP and Collars (with DSTJ, HT, XT, XTM & API Connections)
- special sour service grades - CY-105, XD-105, C110, SS 110