China Hex35 Sr32 Thread Rock Drilling Tools Fully Carburized Speed Drifter Drill Rods Manufacturer, Factories

Customization:	Available
After-sales Service:	Repair or Replacement
Warranty:	6 Months

📘 Basic Specification

Model NO.

HEX35 SR32 Drifter drill rod

Certification

ISO 9001:2000, ISO 9001:2008

Material

Carbon Steel

Thread

Sr32

Standard

GB

Surface Treatment

Spray-Paint

Process

Forging

Machine Type

Drilling Tools

Material Quality

23crni3mo D6a

HS Code

82071990

Capacity

500,000 PCS/Month

Origin

China

📦 Packaging & Delivery

Package Size

30.00cm * 30.00cm * 30.00cm

Gross Weight

5.000kg

Transport

Wooden Case

🔧 Product Overview

Extension rods are manufactured from high-quality hollow drill steels. They are available in two primary configurations: Round type and Hexagonal type. These rods feature a central flushing hole, essential for transmitting water or air to clear debris during the drilling process.

Technical Capabilities:

Threads: R22, R25, SR25, R28, SR28, R32, SR32, SR35, SR38, R38, T38, T45, T51, ST58, T60
Rod Lengths: Available from 400mm to 6400mm (0.4m - 6m)
Rod Sizes: Hex 22mm, 25mm, 28mm, 32mm, 35mm; Dia 39mm, 46mm, 52mm, 60mm
Available Types: Male-Male Rod, MF Rod

📊 Technical Specifications

HEX EXTENSION ROD - R22 Thread (22mm HEX)
Rod Cross Section	Length (L)		Thread
Rod Cross Section	mm	ft	Left	Right
HEX 22	610	2'	R22	R22
HEX 22	915	3'	R22	R22
HEX 22	1220	4'	R22	R22
HEX 22	1525	5'	R22	R22
HEX 22	1830	6'	R22	R22

HEX EXTENSION ROD - R25 Thread (25mm HEX)
Rod Cross Section	Length (L)		Thread
Rod Cross Section	mm	ft	Left	Right
HEX 25	610	2'	R25	R25
HEX 25	1000	3' 3"	R25	R25
HEX 25	1500	4' 11"	R25	R25
HEX 25	1830	6'	R25	R25
HEX 25	3050	10'	R25	R25
HEX 25	4305	14' 1-1/2"	R25	R25

❓ Frequently Asked Questions

What materials are used for these extension rods?

Extension rods are primarily made from high-quality hollow drill steels, such as Carbon Steel (Quality Grade 23crni3mo D6a), ensuring durability and strength for drilling operations.

What is the purpose of the hole in the center of the rod?

The hollow hole is known as a flushing hole. It is used to transmit water or pressurized air during drilling to remove debris and cool the drill bit.

What shapes are available for the drill rods?

We offer two main shapes: Round type for general applications and Hexagonal type for specific rig requirements where higher torque handling might be needed.

What thread types can be specified?

We support a wide range of industry-standard threads including R22, R25, R28, R32, SR32, T38, T45, T51, and many others to ensure compatibility with your existing equipment.

How are the products packaged for international shipping?

To ensure safe delivery, the extension rods are typically packed in sturdy wooden cases or secure bundles, depending on the length and quantity ordered.

What are the available length ranges for these rods?

Standard lengths range from 0.4 meters (400mm) up to 6.4 meters (6400mm), allowing for various drilling depths and machine setups.