64mm to 1038mm DTH Hammer Bits

Starockdrill DTH Buttons Bits also called DTH Bits, DTH Drill Bits, the diameter can be from 1 inches to 33 inches, (65mm to 1038mm),
can be matched with Atlas, Sandvik, Rockmore, Robit, Mission, ects.
The famous Shank will be Cop Series, DHD Series, Mission Series, SD Series, QL Series and Numa Series, XL Series)
Our cemented carbide parabolic buttons have good wear-resistant, can be grinded time after time, and have a longer service life.

Using the special process formula, our carbide parabolic buttons can meet requirement of variety of sandstone rock.
Teeth are strong in the mining process, and the service life is very long.
And all the buttons used YK05 Tungsten Carbide, equally to the T6 buttons.
With the different drilling ground, we can customize the buttons, such as PDC buttons and YK10 buttons.

(1) Made from premium quality nickel-alloy steel 25SiMnCrNi2MoVA for increased durability and wear characteristics,
and YK 05 tungsten carbide as same grade as internationally well-known brand.
(2) Apply "hot (thermal) -insertion" processing procedure to insert the buttons as same as internationally well-known brand,
(4) Entire CNC processing procedure ensure the quality consistency and reliable.
(5) Military grade requirements of heat-treatment guarantee durability,
Specific heat treatment standards and special [stress relief" processes ensure consistent performance.
(6) Designed for maximum performance and hole cleaning ability and high penetration rate.