High Performance R32 R22 R25 R28 R38 Threaded Coupling Sleeve for Drilling Rod

• Customization: Available
• After-sales Service: One Year
• Warranty: One Year
• Model NO.: R38
• Certification: ISO 9001:2008
• Standard: AISI, ASTM
• Surface Treatment: Carburized
• Manufacturing Process: Forging
• Material: High Manganese Steel,Tungsten Carbide
• Product Name: Coupling Sleeve
• Length: 190mm to 235mm
• Thread Model: R22,R25,R28,R35,R38,T38,T45,T51,St58.St68.Gt60
• Mining Object: Construction,Energy and Mining
• Machine Type: Drilling Equipment
• Transport Package: Wooden Box
• Specification: 700-6000mm
• Trademark: STAROCKDRILL
• Origin: China
• HS Code: 82071990
• Production Capacity: 5000pec/Months

Product Description

Atlas Copco Drill Parts R32/R38/T38/T45/T51 Drill Rod Adapter Coupling Sleeve for Efficient Energy Transmission

Our coupling sleeves, expertly crafted from high-quality steel and subjected to specialized processing and heat treatment techniques, guarantee exceptional strength and longevity. Designed to forge a tight and reliable connection between drill rods and drill bits, our coupling sleeves prevent detachment or breakage during drilling operations.

Specification

 

Features

1.International standard threads, precisely machined for perfect compatibility, ensuring a secure and reliable connection.

2.Employing special carburization processes, our coupling sleeves exhibit exceptional wear resistance, extending their service life.

3.Customizable length and thread specifications, catering to unique customer requirements.

4.Ensuring safety and stability, our coupling sleeves deliver reliable performance, guaranteeing operational efficiency and safety during construction.

Product Introduction

Starockdrill offers three types of coupling sleeves

Semi-Bridge Coupling Sleeves: Widely applicable for high-torque drilling machines, these sleeves feature threaded ends to securely connect two drill rods.

Full-Bridge Coupling Sleeves: Eliminating any concerns of loose connections, these sleeves provide superior stability and are easily detachable during open-pit mining operations, ensuring a robust connection.

Reducer Coupling Sleeves: Ideal for transitioning between different thread types and sizes of drill rods, these sleeves accommodate diverse drilling requirements.

Application scenarios

The versatility of our drill rods makes them widely applicable across various industries, including open-pit mining, underground mining, tunneling, anchoring projects, blast furnace tapping, tunnel construction, hydroelectric projects, quarrying, and various other construction projects.andling, land preparation

Technical Specifications

(Custom configurations available upon request.)

Thread	Length(mm)	Diameter(mm)
R22	140	32
R25	150	35
	160	38
R28	150	40
	160	42
R32	150	44
	160	45
R38	170	55
	180	55
	190	55
T38	180	55
	190	55
T45	207	63
	210	66
T51	225	71
	235	72

Drawings & Dimensions

Detailed CAD drawings and dimensional diagrams are available for download here or upon inquiry. Our engineering team can provide tailored designs to meet specific project requirements.

Packaging & Shipping

After Sales Service

Standard Warranty: 12 months or 2,000 operating hours (whichever comes first).
Extended Warranty: Optional coverage up to 36 months.
Global Support: 24/7 technical assistance and spare parts supply.
Training: On-site or remote operation/maintenance training.

Company Profile

HENAN STAROCKDRILL EQUIPMENT CO., LTD

Welcome to Starockdrill, a specialist manufacturer of rock drilling tools. Since our establishment in 2008, Henan Starockdrill Equipment Co., Ltd. has been committed to the research, development, and production of rock drilling tools. Our mission is to provide customers with high-quality, efficient, and reliable drilling tools and solutions, helping them enhance productivity, reduce costs, and create more value.

Why Choose Us?

Other Products

OEM/ODM capabilities
Competitive pricing & bulk discounts
Fast shipping & customs clearance support
Turnkey project solutions

Threaded Drill Rods
Coupling Sleeves
Threaded Drill Bits
Eccentric Casing System
Double Casing Drilling System

Certifications

Project Case

FAQ

Q: What’s the lead time for orders?
A: Standard models ship in 15–30 days; customized units require 30–45 days.

Q: Do you provide after-sales service overseas?
A: Yes, we have partnered service centers in key regions.

Q: Can I request a customized bucket size?
A: Absolutely! We offer tailored attachments.

Q: What documents do you provide for export?
A: Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).

Q: How do I place an order?
A: Contact us via email/phone for a quote, then confirm with a PO.