China Manufacture Mining Water Well Rock Well Drilling Use

• Customization: Available
• After-sales Service: 1 Year
• Warranty: 1 Year
• Model NO.: 76
• Certification: ISO 9001:2000
• Standard: AISI
• Surface Treatment: Spray-Paint
• Manufacturing Process: Forging
• Material: Carbon Steel
• Length: as Required
• Thread: as Required
• Application: DTH Drilling
• Color: Black
• Transport Package: Iron Frame Packaging
• Specification: 102mm
• Trademark: Yikuang
• Origin: Shandong China
• Production Capacity: 500 Pieces/Month

Product Description

Product Description
down th hole drill pipes play a significant role in all DTH drilling, regardless of application, rock type, hole depth or drill rig. The key features of a high quality DTH tube are durability, accuracy and manageability. Sinodrills DTH drill pipes are made of superior alloy and the both thread ends are friction welded to the seamless steel pipe.The high pressure air is delivered to DTH hammer by DTH drill pipe, simultaneously it transfers the rotation and press force to the DTH hammer.
Standard DTH drill pipe:
Diameter: 76mm, 89mm, 102mm, 114mm, 127mm, 140mm,
Length: 1000mm, 1500mm, 2000mm, 3000mm, 5000mm, 6000mm;
Thread: 2 3/8" API REG, 2 7/8" API REG, 3 1/2" API REG, 4 1/2" API REG, 2 3/8 API IF, 3 1/2 API IF

Drill Pipe Outer Diameter		Thread Type	Steel Grade	Wall Thickness	End-Upset type	Length
inch	mm			(mm)		(mm)
3	76	2-3/8" REG	R780, G105, S135	6, 8	IU/IEU	1000--5000
3-1/2	89	2 3/8'' IF NC26	R780, G105, S135	6.5, 8	IU/IEU	1000--5000
4	102	2 7/8'' IF NC31	R780, G105, S135	8, 9.19	IU/IEU	1000--5000
4-1/4	108	2 7/8'' IF NC31	R780, G105, S135	8, 9.19	IU/IEU	1000--5000
4-1/2	114	2 7/8'' IF NC31	R780, G105, S135	8, 10	IU/IEU	1500--6000
5	127	3 1/2'' IF NC38	R780, G105, S135	8, 10, 12	IU/IEU	1500--6000