High-Quality Hex25 Rock Drilling Tools R32-R25 Thread Drifter Drill Rods for Drifting and Tunnelling Manufacturer, Manufacturers

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

i

Basic Specifications

Certification

ISO 9001:2000, ISO 9001:2008

Standard

GB

Surface Treatment

Spray-Paint

Manufacturing Process

Forging

Material

Carbon Steel

Thread

R32-R25

Machine Type

Drilling Tools

Color

Red, Black, Yellow, White

Material Quality

23crni3mo D6a

Transport Package

Wooden Case

HS Code

82071990

Production Capacity

500,000 PCS/Month

P

Packaging & Delivery

Package Size

30.00cm * 30.00cm * 30.00cm

Package Gross Weight

5.000kg

D

Product Description

Extension rods are manufactured using high-quality hollow drill steels. We offer two primary shapes: round type and hexagonal type. The integrated hollow hole, commonly referred to as a flushing hole, is essential for transmitting water or air during the drilling process to ensure efficient operation.

Key Features:

Available Threads: R22, R25, R28, R32, R38, T38, T45, T51, ST58, T60.
Available Lengths: 600mm to 6400mm.
Steel Grades: Male-Male Rod, MF Rod.
Hex Sizes: 22mm, 25mm, 28mm, 32mm, 35mm.
Round Sizes: 39mm, 46mm, 52mm.

T

Hex Extension Rod Technical Data

Rod Cross Section	Length (L)		Thread
Type	mm	FT	Left	Right
R22 - HEX 22 (7/8" Rope Thread)
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
R25 - HEX 25 (1" Rope Thread)
HEX 25	610	2'	R25	R25
HEX 25	915	3'	R25	R25
HEX 25	1220	4'	R25	R25
HEX 25	1525	5'	R25	R25
HEX 25	1830	6'	R25	R25
HEX 25	3050	10'	R25	R25
HEX 25	3660	12'	R25	R25
R28 - HEX 28 (1-1/8" Rope Thread)
HEX 28	610	2'	R28	R28
HEX 28	915	3'	R28	R28
HEX 28	1220	4'	R28	R28
HEX 28	1830	6'	R28	R28
HEX 28	2435	8'	R28	R28

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Frequently Asked Questions

QWhat materials are used for the extension rods?

The extension rods are made from high-grade Carbon Steel and 23crni3mo D6a material, ensuring durability and strength for heavy-duty drilling.

QWhat is the purpose of the flushing hole?

The hollow flushing hole is designed to transmit water or air to the drill bit during operation, which helps in cooling the bit and removing debris from the hole.

QWhat thread types do you provide for these rods?

We offer a wide range of thread types including R22, R25, R28, R32, R38, T38, T45, T51, ST58, and T60 to ensure compatibility with various drilling equipment.

QCan I request custom lengths for the drilling rods?

Yes, while standard lengths range from 600mm to 6400mm, we provide various specifications to meet specific project requirements.

QWhat is the standard packaging for international shipping?

Products are typically packed in sturdy wooden cases or bundles to ensure safe transportation and protection against the elements.

QWhat manufacturing process is used for these tools?

The rods undergo a professional forging process and surface spray-painting to enhance their mechanical properties and resistance to wear.