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DTH Bit-DHD350-140
- Code No.: DHD350-140:
- Diameter: 140mm:
- Air Holes No.: 2:
- Gauge Buttons: 8*18mm:
- Face Buttons: 8*14mm:
- Face Design: Flat:
- Carbide Design: Dome/Semi-ballistic:
- Shank Type: DHD:
- Application:Water Well Drilling，Quarrying:
ProDrill rock drilling tools manufacturer produces a various range of DTH hammer bits with DHD shanks type for a wide range of hole sizes, which have been designed to match all conceivable applications for water well industries, mining and construction.
Shank types: DHD3.5, DHD340A, DHD350R, DHD360, DHD380.
DTH rock drill bits hole diameter: 3", 4", 5", 6", 8"(85mm-305mm)
Flat Face
An universal design, especially for hard and abrasive rock formation. 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.
Semi-Ballistic/Parabolic Buttons
Excellent penetration rate, but only suited to medium hard and not so very abrasive rock formation.
DHD shank DTH drill bit with flat face, 16 carbide buttons for blasting bore holes, water well drilling and quarrying.