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

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We have the most advanced production equipment, experienced and qualified engineers and workers, recognized quality control systems and a friendly professional sales team pre/after-sales support for China Hole Opener Manufacturers, Ingersoll Rand Air Compressor, Reverse Circulation Drilling Hammers And Bits, Please feel absolutely free to speak to us for organization. nd we believe we will share the best trading practical experience with all our merchants.

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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We are committed to providing easy,time-saving and money-saving one-stop purchasing service of consumer 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: Montpellier, Cambodia, Niger, There are advanced producing & processing equipment and skilled workers to ensure the products with high quality. We have found an excellent before-sale, sale, after-sale service to ensure the customers that could rest assured to make orders. Until now our products are now moving on fast and very popular in South America, East Asia, the Middle east, Africa, etc.

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Product quality is good, quality assurance system is complete, every link can inquire and solve the problem timely!

By Flora from Luxembourg - 2017.01.28 18:53

The customer service reprersentative explained very detailed, service attitude is very good, reply is very timely and comprehensive, a happy communication! We hope to have a opportunity to cooperate.

By Caroline from Saudi Arabia - 2018.06.03 10:17

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