Slick Drill Collars for Hole Drilling - Color: Blue

• 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 / Spiral Drill Collars for Well Drilling

GPE Oil Machinery Co., Ltd offers high-quality slick drill collars for efficient hole drilling. These blue drill collars are API 7-1 compliant, non-magnetic, and 3 meters long. Perfect for any drilling operation.

GM Drill Collar - Product Description

GM Drill Collar

GM Drill Collar, manufactured by GPE Oil Machinery Co., Ltd, is a high-quality component used in the BHA (Bottom Hole Assembly) for drilling. It provides essential weight on the bit and maintains tension in the drillstring.

Features and Benefits

• Manufactured from 4145H modified quenched and tempered steel


• Metallurgical specifications ensure consistent maximum depth of hardness


• Hardness range of 285 to 341 BHN and Charpy impact value of 40 ft-lbs guaranteed at evenly distributed 16 points in any sections at room temperature


• Connections are completed with phosphate coating to protect them from the elements and prevent galling upon initial make-up


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


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

GM Drill Collar has been approved by the NS-1 certification, ensuring its reliability and adherence to industry standards.