New Arrival China Hdd Drill Pipe - Rotary Bit for Blast Hole Drilling – TDS

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Fast and fantastic quotations, informed advisers to help you choose the correct products that suits all your needs, a short manufacturing time, responsible good quality control and distinct companies for paying and shipping affairs for China Drilling Rod, Kaishan Air Compressor, Coupling Sleeve, To provide customers with excellent equipment and services, and constantly develop new machine is our company's business objectives. We look forward to your cooperation.

New Arrival China Hdd Drill Pipe - Rotary Bit for Blast Hole Drilling – TDS Detail:

The Drill Store takes advantages of the latest design technology and manufacturing processes for our roller cutters, wildly used for raise boring, shaft boring and reverse circulating drillings.

The cutters use roller-ball-roller bearing configurations. Premium ball, roller bearings and proprietary grease in creasebearing life and capacity, which leads to the greatly in creased serving life of the cutters. Our Metal face seals use proprietaryo- ring material. These Metal face seals have prove n to in crease bearing life versus our competitors in harsh environments and tough drilling conditions.

Avalibale IADC

Series	Application	Operating Parameters
Series	Application	Rotating Speed(RPM)	Weight on Bit-WOB(lb/in)
30	Very Soft	70-140	1000-4000
40	Soft	70-140	1000-4000
50	Soft to Medium	50-140	2000-5000
60	Medium to Hard	50-110	3000-6000
70	Hard	50-90	3500-7500
80	Extremely Hard	40-80	5000-8000

Available Sizes

Bit Size
in	mm	Pin Size
6 3/4	171	3 1/2
7 7/8	200	4 1/2
8 1/2	216
9	229
9 7/8	251	6 5/8
10 5/8	270
11	279
12 1/4	311
13 3/4	350

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Our advancement depends on the superior gear ,superb talents and consistently strengthened technology forces for New Arrival China Hdd Drill Pipe - Rotary Bit for Blast Hole Drilling – TDS , The product will supply to all over the world, such as: Germany, California, Guatemala, Our factory is equipped with complete facility in 10000 square meters, which makes us be able to satisfy the producing and sales for most auto part products. Our advantage is full category, high quality and competitive price! Based on that, our products win a high admiration both at home and abroad.

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The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.

By Eileen from Libya - 2018.11.02 11:11

The company keeps to the operation concept "scientific management, high quality and efficiency primacy, customer supreme", we have always maintained business cooperation. Work with you,we feel easy!

By Candance from Wellington - 2018.12.05 13:53

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