Spiral Drill Collars for Hole Drilling - Specification: 79.4mm - 279.4mm

• 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 Spiral Drill Collars for Hole Drilling by GPE Oil Machinery Co., Ltd. Available in sizes ranging from 79.4mm to 279.4mm. These non-magnetic drill collars are designed for efficient and reliable well drilling. Explore our API-certified drill collar specifications now!

GM Drill Collar by GPE Oil Machinery Co., Ltd

GM Drill Collar

GM Drill Collar, manufactured by GPE Oil Machinery Co., Ltd, is a highly reliable and certified component of the Bottom Hole Assembly (BHA) used for drilling. Made from 4145H modified quenched and tempered steel, it ensures exceptional strength and durability.

Features and Benefits:

• Provides essential weight on the bit for efficient drilling operations


• Maintains tension in the drillstring, enhancing drilling stability


• NS-1 certified for superior quality and performance


• Metallurgical specifications followed for consistent maximum depth of hardness


• Hardness range of 285 to 341 BHN and a Charpy impact value of 40 ft-lbs guaranteed


• Phosphate coated connections protect against elements and prevent galling


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


• Equipped with pressed steel thread protectors for all drill collars

Trust GM Drill Collar by GPE Oil Machinery Co., Ltd for reliable drilling performance and exceptional durability. Upgrade your drilling operations with this top-quality component today!