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Air-lift Reverse Circulation Double-wall Drill Pipe with S135 Steel Grade and 42-140mm Specification for Coal Mine

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China Langfang Baiwei Drill Co., Ltd. certification
China Langfang Baiwei Drill Co., Ltd. certification
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Air-lift Reverse Circulation Double-wall Drill Pipe with S135 Steel Grade and 42-140mm Specification for Coal Mine

Air-lift Reverse Circulation Double-wall Drill Pipe with S135 Steel Grade and 42-140mm Specification for Coal Mine
Air-lift Reverse Circulation Double-wall Drill Pipe with S135 Steel Grade and 42-140mm Specification for Coal Mine Air-lift Reverse Circulation Double-wall Drill Pipe with S135 Steel Grade and 42-140mm Specification for Coal Mine Air-lift Reverse Circulation Double-wall Drill Pipe with S135 Steel Grade and 42-140mm Specification for Coal Mine Air-lift Reverse Circulation Double-wall Drill Pipe with S135 Steel Grade and 42-140mm Specification for Coal Mine Air-lift Reverse Circulation Double-wall Drill Pipe with S135 Steel Grade and 42-140mm Specification for Coal Mine Air-lift Reverse Circulation Double-wall Drill Pipe with S135 Steel Grade and 42-140mm Specification for Coal Mine Air-lift Reverse Circulation Double-wall Drill Pipe with S135 Steel Grade and 42-140mm Specification for Coal Mine Air-lift Reverse Circulation Double-wall Drill Pipe with S135 Steel Grade and 42-140mm Specification for Coal Mine

Large Image :  Air-lift Reverse Circulation Double-wall Drill Pipe with S135 Steel Grade and 42-140mm Specification for Coal Mine

Product Details:
Place of Origin: China
Brand Name: Longway
Certification: ISO9001
Payment & Shipping Terms:
Minimum Order Quantity: 1
Packaging Details: According to clients' needs
Delivery Time: 20-30 working days, which will be adjusted according to different products and inventory
Payment Terms: T/T

Air-lift Reverse Circulation Double-wall Drill Pipe with S135 Steel Grade and 42-140mm Specification for Coal Mine

Description
Highlight:

E75R780G105 S135 Steel Grade Double-wall Drill Pipe

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42-140mm Specification Double Wall Drill Pipe

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Air-lift Reverse Circulation HDD Drill Pipe

Air-lift Reverse Circulation Double-wall Drill Pipe

High-quality double wall drill pipe specifically designed for coal mine applications.

Product Specifications
  • Steel grade: E75R780G105 S135
  • Specification: 42-140mm
  • Thread types: For Vermeer, Ditch witch, Drillto
  • Custom manufacturing available to meet specific requirements
Double Wall Drill Pipe Specifications
Type O.D. of Outer Tube (mm) I.D. of Inner Tube (mm) Outer Diameter of Joint (mm) Type of Threads Effective Length (m)
WB114/65 114 65 156 41F 6
WB127/76 127 76 162/168 41/21F 6, 9.5
DB127/76 127 76 184 51/2FH 9.5
WB140/88 139.7 88 184 51/2FH 6, 9.5
WB219/130 219 130 240 Factory standard 6, 9.5
WK76/32 76 32 78 3" Remet 3
WK102/41 102 41 103 4" Remet 3, 6
WK114/52 114.3 52 116 4 1/2" Remet 3, 6
WK114/38 114.3 38 114.3 4 1/2" Metzke 3, 6
WK114/50 114.3 50 114.3 4 1/2" Remet 3, 6
WP50/20 50 20 50
1, 1.5
WP73/35 73 35 73
1, 1.5
WP89/40 89 40 89
1, 1.5
Key Features
  • Manufactured from high-quality alloy steel
  • All drill rods undergo professional heat treatment
  • Optimized structure for reliable performance and high efficiency
  • Excellent concentricity and precision for extended service life

Air-lift Reverse Circulation Double-wall Drill Pipe with S135 Steel Grade and 42-140mm Specification for Coal Mine 0


Frequently Asked Questions
What is your delivery time?

Our standard production time is approximately 20 days. For items in stock, we can ship within 3 days.

How do you ensure product quality?

We perform rigorous quality inspections and performance tests on every drill rod prior to shipment to guarantee reliability and durability.

Do you accept sample orders?

Yes, we welcome sample orders as an opportunity for you to evaluate our product quality before committing to larger quantities.

Are your drill pipes heat-treated?

Yes, all our drill pipes and casings receive professional heat treatment to enhance their structural strength and operational performance.

Do your drill pipes have anti-rust protection?

Yes, each unit is coated with anti-rust paint or anti-corrosion oil prior to shipping. Galvanized options are available upon request.

Contact Information
Mrs. Tina Zhao

Email: tina@baiweidrill.com.cn

Whatsapp/Wechat: +86 13507065529

Contact Details
Langfang Baiwei Drill Co., Ltd.

Contact Person: Mrs. Lily Gao

Tel: +86-17736713473

Fax: 86-0316-6657011

Send your inquiry directly to us (0 / 3000)