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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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Langfang Baiwei Drill Co., Ltd.

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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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Brand Name :	Longway
Certification :	ISO9001
Payment Terms :	T/T
Delivery Time :	20-30 working days, which will be adjusted according to different products and inventory

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Product Details
Company Profile

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

Product Description

Steel grade: E75R780G105 S135
Specification: 42-140mm
Thread: For Vermeer, Ditch witch, Drillto

We can manufacture all kinds of drill rod as per customer's requirments.

Double wall drill pipe

Type	O.D.of the outer tube (mm)	I.D.of the inner tube (mm)	Outer dianeter 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

Features of Drill Rod

Made of high quality alloy steel.
All our drill rods are heat-treated.
Reasonable structure, reliable performance and high using efficiency.
Good concentricity, high precision and long service life.

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

FAQ

Q: What is your delivery time?

A: Our standard production time is around 20 days. If the items are in stock, we can ship within 3 days.

Q: How do you ensure product quality?

A: We conduct strict quality inspections and performance tests on every drill rod before shipment to ensure reliability and durability.

Q: Do you accept sample orders?

A: Yes, we welcome sample orders. It’s a great way for you to evaluate our product quality before placing a larger order.

Q: Are your drill pipes heat-treated?

A: Yes, all of our drill pipes and casings undergo professional heat treatment to enhance their strength and performance.

Q: Do your drill pipes have anti-rust protection?

A: Yes, each drill pipe and casing is coated with anti-rust paint or anti-corrosion oil before shipping. If you require galvanized pipes, please let us know.

Contact Details

Mrs. Tina Zhao

Email: tina@baiweidrill.com.cn

Whatsapp/Wechat: +86 13507065529

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