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Thread products

Thread drill rod

A thread connection drill rod, also known as a hydraulic drill rod or heavy-duty drill rod, is a rock drilling tool that connects the drill tail, hydraulic rock drill, and thread drill bit. It transmits the impact and rotary force of the hydraulic rock drill to the threaded drill bit for breaking rock. This type of drill rod is commonly used with hydraulic rock drilling jumbos and rigs. The main thread forms include R22, R25, R28, R32, TR35, T38, T45, T51, ST58, ST68, T60, EL60, and EL68. The drill rods are categorized into quick-change drill rods and MF joint rod drill rods. They find wide application in open-air mining, underground mining, roadway excavation, anchoring engineering, blast furnace tapping, tunnel construction, hydropower projects, quarry operations, and various other construction endeavors.

Lianhuashan Drilling Tools is the first enterprise in China to start producing hydraulic drill rod. Its product quality, sales volume, export volume and product variety and specification matching capacity rank first in the same industry in China.

Thread drill pipe
Product classification	Specification	Thread	Length
	H22	R23-R23MF R25-R25MF R22-R22	550-3090mm
	H25	R25-R25 R25-R28 TR28-TR28MF R25-R25MF R22-R32 R25-R32 R28-R28 R32-R32 TR28-T32	610-5525mm
	H28	R28-R25 R28-R32 R25-R32 R28-R28MF TR28-R32	1525-3700mm
	H32	R32-R32 R32-R38 R38-R32 R28-R32 R32-T38 T28-T28 T38-T38 R28-R38 R28-T38 T32-T32	1220-5525mm
	H35	R32-R38 R32-T38 R35-T38 T38-T38 TR35-T38 TR35-R38 R32-T38MF R32-R38MF	1525-6400mm
	D32	R32-R32 R32-R32MF	610-3660mm
	D35	R35-R35MF T35-T35MF	1830-3050mm
	D38	R38-R38 R38-R38MF T38-T38 T38-T38MF R35-T38	915-5525mm
	D45	T45-T45 T45-T45MF T38-T45MF	915-4265mm
	D51	T51-T51 T51-T51MF T51-T45MF T45-T45MF	915-7300mm
	D56	T38-T38MF	1000-1830mm
	D60	T60-T60MF EL60-EL60MF	1220-6095mm
	D65	T45-T45MF	1220-3660mm
	D70	EL68-EL68 T45-T51MF	1830-6095mm
	D76	ST58-ST58MF T51-T45MF T51-T51MF T51MF-T51MF	1525-3660mm
	D87	ST68-ST68MF EL60-EL60MF T60-T60MF	1525-1830mm

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Telephone:0086-429-4428053 0086-429-4428052

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