OEM/ODM China Dth Hammer Manufacturers - Rotary Bit for Blast Hole Drilling – TDS

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Our corporation insists all along the quality policy of "product top quality is base of organization survival; purchaser pleasure will be the staring point and ending of an company; persistent improvement is eternal pursuit of staff" plus the consistent purpose of "reputation very first, purchaser first" for Hammer Dhd360, Screw Air Compressor Diesel, China Round Extension Rod Factory, With advantage of industry management, the company has always been committed to supporting customers to become the market leader in their respective industries.

OEM/ODM China Dth Hammer Manufacturers - 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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It is actually our accountability to satisfy your needs and effectively serve you. Your pleasure is our best reward. We're on the lookout forward for your stop by for joint growth for OEM/ODM China Dth Hammer Manufacturers - Rotary Bit for Blast Hole Drilling – TDS , The product will supply to all over the world, such as: Swansea, Manchester, UK, We'll supply much better products with diversified designs and expert services. We sincerely welcome friends from over the world to visit our company and cooperate with us on the basis of long-term and mutual benefits.

5'' Dth Hammer