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DHD3.5-90 DTH Hammer Bit
- Code No.: DHD3.5-90
- Diameter: 90mm
- Air Holes: 2
- Gauge Buttons: 6
- Front Buttons: 5
- Carbide Design: Dome, Ballistic
- Face Design: Flat
- Shank Type: DHD
ProDrill DTH Bit Advantage:DTH drilling bits are designed for extended wear life. In addition to this, you benefit from great versitality, higher penetration rates, straighter holes and longer bit life. ProDrill exceptionally versatile series of threaded botton bits, from76-350mm in diameter,are made from proprietary grade ofcemented carbide throughout ProDrill provides all the most efficient.
Rock drilling tools: Bit shank type of DHD series DTH Bits are designed to fit DTH hammers, which is the most popular design for blasting bore holes, water well drilling. In conjunction with DTH hammers, DTH hammer bits with DHD shank type are designed with a splined drive for rotating the bit in the ground. Rock drill bits in DHD shank are available in different sizes and different styles so they can drill a wide range of hole sizes.
Flat Face Bit
This is an universal design, especially for hard and abrasive rock formation. So typically, flat face with hemispherical buttons design is the most popular choice.
This kind of face shape is suitable for hard to very hard and abrasive rock formations in application with high air pressure. Good penetration rates an resistance to steel wash.
Dome/Hemispherical Buttons
Universal buttons for all rock formation, best suited to hardest and very abrasive rock formation.
Parabolic/Semi-Ballistic Button
It is usually used as gauge buttons and front buttons of DTH Bits, suitable for medium abrasive and hard formations.
DHD Shank DHD3.5-90 DTH Hammer Bit with flat face, dome & ballistic buttons for blasting bore holes, water well drilling.
For more details please watch PDF online: DTH hammer bits with DHD shanks Catalogue