China Drifting and Tunnelling rod Manufacturer, Quotes

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China Drifting and Tunnelling rod Manufacturer, Quotes

Drifting and tunnelling rods include speed rods, extension rods and shank rod.

We have mainly 11 threads: SR22,SR25,R25, SR28,R28,SR32,R32,SR38,R38 and T35.

Diameter: 38-127mm,They can be used with button bits, cross bits and reaming products.

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Product Description

Drifting and tunnelling rods are essential components in professional rock drilling, including speed rods, extension rods, and shank rods. Designed for high-performance drifting and tunneling operations, these tools are built to withstand extreme mechanical stress.

Premium Material

Made with high-quality alloy steel bar and tungsten carbides for maximum durability.

Energy Efficiency

Advanced heat treatment ensures intensive impact energy transmission with minimal loss.

Versatile Specs

11 thread types available (SR22 to T35) with diameters ranging from 38mm to 127mm.

Our drifting and tunneling rods (R22, R25, R28, R32, R35) and thread button bits are engineered to handle the toughest rock drilling demands. Widely welcomed by global clients, our product line includes BIT R28 37mm-38mm, R32 45mm-51mm, Retrac Bits, and MF rods.

Drifting and Tunneling Series

R22 / SR22

R25 / SR25

R28 / SR28

R32 / SR32

R35 / SR35

R22/SR22 Extension & Shank Rods

HEX EXTENSION ROD R22 (7/8" ROPE THREAD X 7/8" HEX)
ROD CROSS SECTION	LENGTH (mm)	LENGTH (FT)	THREAD LEFT	THREAD RIGHT
HEX 22	610	2'	R22/SR22	R22/SR22
HEX 22	915	3'	R22/SR22	R22/SR22
HEX 22	1220	4'	R22/SR22	R22/SR22
HEX 22	1525	5'	R22/SR22	R22/SR22
HEX 22	1830	6'	R22/SR22	R22/SR22

R28/SR28 Extension & Drifter Rods

HEX EXTENSION ROD R28 (1-1/8" ROPE THREAD X 1-1/8" HEX)
ROD CROSS SECTION	LENGTH (mm)	LENGTH (FT)	THREAD LEFT	THREAD RIGHT
HEX 28	1220	4'	R28	R28/SR28
HEX 28	1830	6'	R28	R28/SR28
HEX 28	2435	8'	R28	R28/SR28
HEX 28	3050	10'	R28	R28/SR28

R32/SR32 Drill Rod Series

HEX EXTENSION ROD R32 (1-1/4" ROPE THREAD X 1-1/4" HEX)
ROD CROSS SECTION	LENGTH (mm)	LENGTH (FT)	THREAD LEFT	THREAD RIGHT
HEX 32	2475	8' 1-1/2"	R32	R32
HEX 32	3090	10' 1-1/2"	R32	R32
HEX 32	3700	12' 1-1/2"	R32	R32

SR35 Drill Rods

HEX Drifter rod SR35 (1-3/8" ROPE THREAD X 1-1/2" ROPE THREAD)
ROD CROSS SECTION	LENGTH (mm)	LENGTH (FT)	THREAD LEFT	THREAD RIGHT
HEX 35	3700	12' 1-1/2"	R38	SR35
HEX 35	4305	14' 1-1/2"	R38	SR35

R25/SR25 Extension & Shank Rods

HEX EXTENSION ROD R25 (1" ROPE THREAD X 1" HEX)
ROD CROSS SECTION	LENGTH (mm)	LENGTH (FT)	THREAD LEFT	THREAD RIGHT
HEX 25	1220	4'	R25	R25
HEX 25	1830	6'	R25	R25
HEX 25	2435	8'	R25	R25

Frequently Asked Questions

1. What materials are used in your drifting and tunnelling rods?

Our rods are manufactured using high-quality alloy steel bars and premium tungsten carbides, combined with specialized heat treatment to ensure maximum durability in tough rock drilling conditions.

2. Which thread types are available?

We offer 11 main thread types, including SR22, SR25, R25, SR28, R28, SR32, R32, SR38, R38, and T35, covering most industry-standard drilling equipment requirements.

3. What is the typical diameter range for these products?

Our drifting and tunneling products are available in diameters ranging from 38mm to 127mm, suitable for various hole sizes and geological conditions.

4. Are these rods compatible with other drilling accessories?

Yes, our extension and drifter rods are designed to be used seamlessly with button bits, cross bits, and various reaming products.

5. What makes the energy transmission efficient in your rods?

The combination of precision-machined threads and specialized heat treatment allows the rods to transmit intensive impact energy into the rock with the least possible loss of energy.

6. Do you offer both Hexagonal and Round rod cross-sections?

Yes, we provide various cross-sections including HEX 22, HEX 25, HEX 28, HEX 32, HEX 35, and Round (RD 39) configurations depending on the specific model and application.