China 3-1/2
China 3-1/2

3-1/2" DTH Drill Pipe for Water Well & Mining - API 5DP Certified with 13.3-15.5 lb/ft Weight Options

Professional DTH drill pipes for water well drilling, mining, and oil/gas applications. Available in 2-3/8", 2-7/8", and 3-1/2" sizes with API 5DP certification. Features multiple steel grades (E75-X95-G105-S135), internal plastic coatings, and hard banding options for enhanced durability and performance in demanding drilling environments.

Place of Origin China
Keywords Drill Pipe
Packaging Details In Bundles
Product Name 2-3/8", 2-7/8", 3-1/2" Down The Hole Water Well Mining DTH Drill Pipe Drilling Rod
Tool Joint NC, IF, REG, FH
Model Number All types
Product Description
Down The Hole DTH Drill Pipe Overview

High-performance drill pipes designed for water well drilling, mining operations, and various drilling applications including oil and gas exploration. Available in multiple sizes and specifications to meet diverse industrial requirements.

DTH Drill Pipe for water well and mining applications
Key Specifications
API 5DP Drill Pipe Standards
  • Internal Plastic Coating: TC2000, DPC2000, TK34, TK34P
  • Steel Grade: E75, X95, G105, S135
  • Length Options: R1 (18-22 feet), R2 (30.5-31.5 feet), R3 (38-45 feet)
  • Compliance: Manufactured according to API 5DP standards
  • Hard Banding Options: Available with or without hard banding (Arnco 100XT, Arnco 300XT, BoTn 1000, BoTn 3000)
Technical Specifications Table
Size (Inch) Nominal Weight (lb/ft) Weight c/w Blank End (Kg/m) OD (inch) Wall Thickness (inch) Grade Upset Type
2-3/8 6.65 6.27 2.375 0.280 E,X,G,S EUE
2-7/8 10.4 9.72 2.875 0.362 E,X,G,S EUE
3-1/2 13.3 12.32 3.500 0.368 E,X,G,S EUE
3-1/2 15.5 14.64 3.500 0.449 E,X,G,S EUE
Technical diagram of DTH drill pipe specifications DTH drill pipe in industrial application
Contact Information

Dongying OilMan Machinery Equipment Co.

Address: North Two Road, Dongying City, Shandong Province, China

Mobile/WhatsApp/WeChat: +86 13475294399

Email: [email protected]

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