DTH Drill Bit DHD340A 152
Product Description
DTH Bit DHD340A 152
CODE NO. | DHD340A-152 |
Diameter | 152mm |
air holes | 2 |
gauge buttons | 8*17mm |
face buttons | 4*17mm, 4*14mm |
face design | concave |
carbide design | dome/semi-ballisic |
approx. weight | 17.5Kgs |
Designed to match all conceivable applications for water well industries, mining and construction industries. ROSCHEN is rock drilling tools manufacturer, we has a comprehensive range of DTH hammer bits with DHD shanks type for a wide range of hole sizes.
Shank types: DHD3.5, DHD340A, DHD350R, DHD360, DHD380.
DTH rock drill bits hole diameter: 3'', 4'', 5'', 6'', 8''(85mm-305mm)
Concave Face
The all around application bit face designed specifically for medium hard and homogeneous rock formations. Good hole deviation control and good flushing capacity.
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 hammer bit with concave face, 12 dome & 4 semi-ballistic carbide buttons for blasting bore holes, water well drilling.
Down The Hole Drilling Button Bits Features
1. High and low air pressure down-the-hole drill bits
2. Low air pressure hole diameter 65-220mm
3. High air pressure hole diameter 85-305mm
4. Face type: Drop center/concave/convex/double gauge/flat
5. Our DTH Bit can be suitable for many types of DTH Hammer, such as XL, Mission, COP, IR, Mach, Demag, SD, Bulroc, Halco Mach, Digger etc.