Discountable price Diamond Coring Drilling Rigs - Rotary Bit for Blast Hole Drilling – TDS

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Persisting in "High quality, Prompt Delivery, Competitive Price", we have established long-term cooperation with clients from both overseas and domestically and get new and old clients' high comments for Reverse Circulation Hammer Factories, Hdd Drill Pipe, Eccentric Drilling System, By 10 years effort, we attract customers by competitive price and excellent service. Moreover, it's our honest and sincerity, which help us always be clients' first choice.

Discountable price Diamond Coring Drilling Rigs - 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 primary intention should be to offer our clientele a serious and responsible enterprise relationship, delivering personalized attention to all of them for Discountable price Diamond Coring Drilling Rigs - Rotary Bit for Blast Hole Drilling – TDS , The product will supply to all over the world, such as: Kenya, Singapore, Senegal, Nowadays our merchandise sell all over the domestic and abroad thanks for the regular and new customers support. We supply high quality product and competitive price, welcome the regular and new customers cooperate with us!

Down The Hole Hammer Drill