Rotary Bit for Blast Hole Drilling

Short Description:

Tri-cone drill bits are one of the most interesting scrap metals on the market today. Not only do these tri-cone bits consist of durable tungsten metal, which consists of cobalt and nickel binders that are used to add anywhere from 3% to 30% weight, they can still be reused for drilling purposes provided they are in good shape.


Product Detail

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Product overview导航栏

tricone bit 1

tricone bit 2

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.

Specification导航栏

Avalibale IADC

 Series   Application  Operating Parameters
  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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