API 7-1 Kelly Drill Pipe &Tool Joint &Nc 50 Drilling Pipe

API 7-1 Kelly Drill Pipe &Tool Joint &Nc 50 Drilling Pipe. API Compliant Manufacturing: Manufactured in accordance with API 5D, 7, and RP7G standards for high physical properties. Strict Quality Control: Full-length inspection with manual and automatic equipment for weldneck and upset regions. Precision Thread Processing: CNC machined threads with phosphating or copperizing to improve galling resistance. Optimized Heat Treatment: Uniform deep heat treatment based on chemical analysis to ensure full-length physical properties. Directional Drilling Solution: Heavy Weight Drill Pipe reduces stress concentration, torque, and connection fatigue in directional drilling. Customizable Options: Customizable outside diameter, hard banding, inner plastic coating, and painting colors.