China R25/SR25 Thread drill rod Manufacturer, Pricelist

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China R25/SR25 Thread drill rod Manufacturer, Pricelist

Drifting and tunnelling tools include rods, shank adapters, couplings and bits.

R28 Drill rods include HEX28 drill rod and HEX32 drill rod.

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Product Description

Product Overview: Drifting and Tunneling Tools

Drifting and tunnelling tools include a comprehensive range of rods, shank adapters, couplings, and bits designed for high-intensity rock drilling. These tools are engineered to withstand the toughest geological conditions, ensuring maximum energy transmission into the rock with minimal energy loss.

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Wide Thread Range

Available in SR22, SR25, R25, SR28, R28, SR32, R32, SR38, R38, and T35 threads.

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Premium Material

Made with high-quality alloy steel bars and superior tungsten carbides for extreme durability.

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Advanced Heat Treatment

Through specialized heat treatment to handle the most demanding rock drilling impact energy.

Our product line covers diameters from 38mm to 127mm. Popular models include Button Bits (R28 37mm, R32 45mm, R32 51mm), Retrac Bits, and various rods such as the H35, TUN ROD T38-Hex35-R32, and MF rods.

R25/SR25 Series Specifications

HEX EXTENSION ROD R25 - R25 (HEX 25mm / 1" ROPE THREAD)
Cross Section	Length (mm)	Length (FT)	Left Thread	Right Thread
HEX 25	610	2'	R25	R25
HEX 25	1000	3' 3"	R25	R25
HEX 25	1525	5'	R25	R25
HEX 25	3050	10'	R25	R25
HEX 25	4305	14' 1-1/2"	R25	R25

Drifter Rod Series (HEX 25 / HEX 28)

HEX DRIFTER ROD R25 - R32 - HEX 25/28
Material	Length (mm)	Length (FT)	Left Thread	Right Thread
HEX 25	2130	7'	R32	R25
HEX 25	3090	10' 1-1/2"	R32	R25
HEX 28	2475	8' 1-1/2"	R32	R25
HEX 28	3700	12' 1-1/2"	R32	R25
HEX 28	4305	14' 1-1/2"	R38	R25

Shank Rod Series

SHANK ROD R25 (HEX 22mm & 25mm / 108mm SHANK)
Section	Length (mm)	Length (FT)	Shank Size	Thread
HEX 22	255	10"	108mm	R25
HEX 22	1830	6'	108mm	R25
HEX 22	3050	10'	108mm	R25
HEX 25	1220	4'	108mm	R25
HEX 25	3660	12'	108mm	R25

Frequently Asked Questions

What thread sizes are available for your drifting tools?

We offer a wide range of threads including SR22, SR25, R25, SR28, R28, SR32, R32, SR38, R38, and T35 to match various drilling equipment requirements.

What is the diameter range for the button bits?

The button bits and reaming products are available in diameters ranging from 38mm to 127mm.

How do you ensure the durability of the drill rods?

Our rods are manufactured using high-quality alloy steel and undergo a specialized heat treatment process to withstand high-intensity impact energy and tough rock conditions.

Are your tools compatible with standard drifting and tunneling equipment?

Yes, our products follow standard rope thread specifications (like R25, R32, T38), making them widely compatible with most industrial drifters and tunneling rigs.

What are the benefits of using tungsten carbide in your bits?

Tungsten carbide provides exceptional hardness and wear resistance, allowing the bits to maintain their shape and effectiveness for longer periods in abrasive rock formations.

Do you offer different lengths for extension and drifter rods?

Yes, we provide various lengths ranging from short 255mm shank rods to long 4305mm extension rods, available in both metric and imperial measurements.