CIR90-95mm DTH bit new design for Brazilian quartz

Code No.: CIR90-95
Diameter: 95mm
Carbide : 6*14mm, 5*13mm
Rock type and hardness : Quartztites (class 12 grade more)
Cemented Carbide grade : Guage button use imported Tungsten Carbide from Canada, front button bit use YK05 best in China
Bit face: Flat
Bit shape: Semi-ballistic
Shank Type: CIR

Product details

ProDrill rock drilling tools manufacturer has a full range of DTH drill bits with CIR shanks type for a wide range of hole sizes, which are designed to match all conceivable applications for water well industries, stone quarrying, mining and construction.

Shank types: CIR90, CIR100, CIR110, etc.

Suitable rock formation and condition : Quartz ( HRC12 grade more) , Granites ( HRC: 3 to 5 grade )

DTH hammer bits hole diameter: 3", 4", 5", 6", 8"(85mm-305mm).

CIR90-95 DTH bit new design's advantages：

1. Imported premium TCI ( Tungsten Carbide Inserts ) , Longer intervals between regrinds
2.Harder and stronger bit body steel
3. Ensure the longest possible service life
4. Approximately 20 % fewer bits now handle all surface drilling applications specially for Quartz which are with very heavy duty and very abrasive rock formation and condition.

CIR90-95 new design DTH bit gives you outstanding power. Power that translates into much better service life. Regardless of rock formation how touch, hard, abrasive such as Brazilian Quartz , we expect new Prodrill DTH bit to give you up to 20 % longer service life.

With ProDrill DTH bit, due to our special design for length of TCI imported , you will get more meters drilled before first regrind, more meters drilled between regrinds, and many more meters drilled at bit discard. This is long-lasting performance you can rely on.

Longer grinding intervals is one of the most important development criteria for Prodrill DTH bit was to improve service life 20-30% than leading bit in market , and reduce the need for constant regrinds.

Well-timed grinding is key to rock drilling productivity also for longer service life . The key is tracking your penetration rate. When it goes down, it's time to regrind.

Typically, you can drill until the wear flat ratio (width of wear flat area / the button diameter) is 40–50 %. And when you regrind, make sure that you keep a wear flat area of about 10 % – there's no point in grinding away bit service life. Our tests show that proper button grinding, regardless of button shape, has the potential to double the bit service life.