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R780 Steel 2 7/8" API Mining Water Well Rock Drilling Rod Api Reg Dth Drill Rod For Sale 3 Meter 1.5m 2m

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R780 Steel 2 7/8" API Mining Water Well Rock Drilling Rod Api Reg Dth Drill Rod For Sale 3 Meter 1.5m 2m

Large Image : R780 Steel 2 7/8" API Mining Water Well Rock Drilling Rod Api Reg Dth Drill Rod For Sale 3 Meter 1.5m 2m

Product Details:

Place of Origin:	China
Brand Name:	ShiTan
Certification:	ISO9001

Payment & Shipping Terms:

Minimum Order Quantity:	Negotiation
Price:	Negotiation
Packaging Details:	Standard export package
Delivery Time:	Within 7-12 days
Payment Terms:	L/C, D/A, T/T, Western Union

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Detailed Product Description

Parts Name:	H22 Tapered Tools	Use:	Ore Mining
Tapered Type:	7 Degree 11 Degree 12degree	Type:	Drilliing Tools
Weight:	2.2-25kg	Length:	610 - 8000mm
Highlight:	mining drill rods , tapered drill rod

R780 Steel 2 7/8" API Mining Water Well Rock Drilling Rod

Product Specifications

Parts Name	H22 tapered tools
Use	Ore Mining
Tapered Type	7 degree, 11 degree, 12 degree
Type	Drilling tools
Weight	2.2-25kg
Length	610 - 8000mm

Premium Manufacturing Process

Our drill rods are manufactured using high-quality materials from leading Chinese steel producers including Baosteel, Angang Steel, Xining Special Steel, and Henggang. The production process features:

Heat treatment in integrated non-oxidizing furnaces
Precision CNC machining for all thread processing
International standard thread gauges for quality assurance
Internally thickened rod body and tube ends
Friction welding with subsequent tempering treatment

This rigorous manufacturing process ensures stable, reliable quality and significantly extends service life. Our friction-welded water well drill rods offer exceptional strength, elasticity, and connection reliability.

Technical Parameters

Serial No.	Drill Pipe Diameter (in/mm)	Length (mm)	Wall Thickness (mm)	Thread Type
1	3 1/2" (89)	1000-9144	6	API 2 3/8" IF
2	4" (102)	1000-9144	8.38	API 2 7/8" IF
3	4 1/2" (114)	1500-9144	8.38	API 3 1/2" REG/IF
4	5" (127)	1500-9144	9.19	API 3 1/2" REG/IF
5	5 1/2" (140)	1500-9144	10.00-25.4	API 4 1/2" REG/IF or 4"FH
6	6 1/4" (168)	3000-9144	10.00-25.4	API 4 1/2" REG/IF or 4"IF
7	7" (178)	3000-9144	12.7-25.4	5 1/2"FH/REG
8	7 5/8" (194)	3000-9144	12.7-25.4	6 5/8"REG

Structural Composition

The water well drill pipe consists of three main components: barrel, male joint, and female joint. Each features axial holes with interference fit connections. Key structural features include: