Nmdc Non Magnetic Drill Collars for Well Drilling

• After-sales Service: 24/7
• Warranty: 1 Years
• Manufacturing Process: CNC Milling
• Surface Treatment: Spray-Paint
• Operation Pressure: Atmospheric Pressure
• Material: Alloy
• Model NO.: 4130
• Name: Drill Collar
• Color: Blue
• Transport Package: Export Packing
• Specification: 79.4mm -279.4mm
• Production Capacity: 150000

Product Description

API 7-1 Drill Collars for Well Drilling

Discover our Nmdc Non Magnetic Drill Collars, designed for efficient well drilling. These high-quality collars are API certified and available in various sizes. Choose from spiral or slick options to suit your drilling needs. Trust GPE Oil Machinery Co., Ltd for reliable drilling tools.

GM Drill Collar

GPE Oil Machinery Co., Ltd is proud to present the GM Drill Collar, a vital component in the BHA (Bottom Hole Assembly) used for drilling. This drill collar not only provides weight on the bit but also maintains tension in the drillstring.

Key Features:

• Approved by NS-1 certification


• Made from 4145H modified quenched and tempered steel


• Strict metallurgical specifications ensure consistent maximum depth of hardness


• Hardness range of 285 to 341 BHN


• Charpy impact value of 40 ft-lbs


• Evenly distributed 16 points with guaranteed specifications at room temperature


• Connections completed with phosphate coating for protection against the elements and prevention of galling


• Cold rolled thread roots on API and H-90 connections


• Supplied with pressed steel thread protectors for all drill collars equipped with standard connections

Trust GM Drill Collar for reliable performance and durability in your drilling operations. Experience the benefits of our high-quality product today!