Discount wholesale Reverse Circulation Drilling Hammers - Rotary Bit for Blast Hole Drilling – TDS

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Our rewards are lower costs,dynamic profits team,specialised QC,potent factories,high-quality services for T51 Rod, China Hole Opener Supplier, Rock Reamer Factories, We adhere to the tenet of "Services of Standardization, to Meet Customers' Demands".

Discount wholesale Reverse Circulation Drilling Hammers - 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 proud of the high customer satisfaction and wide acceptance due to our persistent pursuit of high quality both on product and service for Discount wholesale Reverse Circulation Drilling Hammers - Rotary Bit for Blast Hole Drilling – TDS , The product will supply to all over the world, such as: Madrid, Cairo, Armenia, We always adhere to follow the honesty, mutual benefit, common development, after years of development and the tireless efforts of all staff, now has perfect export system, diversified logistics solutions, comprehensive meet customer shipping, air transport, international express and logistics services. Elaborate one-stop sourcing platform for our customers!

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