Spiral Drill Collars for Hole Drilling - 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

Introducing our Spiral Drill Collars for Hole Drilling - Blue, designed for high-strength performance. These API 7-1 compliant drill collars are perfect for well drilling projects. Choose our non-magnetic, flexible, and slick drill collars for optimal results. Available in OD 79.4mm and 3-meter length options. Trust GPE Oil Machinery Co., Ltd for top-quality drilling tools.

GM Drill Collar

Drill Collar is a crucial component in the Bottom Hole Assembly (BHA) that provides weight on the bit for drilling and maintains tension in the drillstring. The GM Drill Collar, manufactured by GPE Oil Machinery Co., Ltd, has received NS-1 certification, ensuring its high quality and reliability.

Features and Benefits:

• Manufactured from 4145H modified quenched and tempered steel


• Strict metallurgical specifications followed to achieve 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 section at room temperature


• Connections completed with phosphate coating to protect against elements and prevent galling during initial make-up


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


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