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DTH hammers and bits are widely used in underground mining, quarries, hydraulic and Hydro-Power Engineering, water well drilling, Mineral exploration, anchoring hole drilling, geothermal engineering, Subway excavation, another civil engineering. it has the advantage of high flatness, smooth hole wall, high rigid of drill rod and hammer, independent of high axial thrust, no limit of drilling depth, low cost of devices and easiness to maintain.
1.Button bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations (between 200 Mpa to 260 Mpa compressive strength).Featuring spherical tungsten carbide inserts that is known to have strong configuration against carbide fracture.
2.Recommended for eliminating hole deviation
3.Widely used drifting and tunneling
4.Bit face design is ideal for medium-hard to hard abrasive rock
DTH Bits (DHD, Cop, SD, QL, Mission, Numa)
Face shape selections:
Concave
Convex
flat face
Button shape selections:
Domed / Round button
Used as gauge buttons of DTH bits, suitbale for very abrasive and very hard rock formation.
Parabolic / Semi-ballistic button
Used as guage buttons and front buttons of DTH Bits, suitable for medium abrasive and hard rock formations.
Ballistic button
Used front buttons of DTH bits, suitable for medium abrasive and medium hard formations. Also be used as guage buttons for soft rock.
Ply-wooden cases
Ply-wooden cases + pallet
Delivery: By sea, By air or by Express
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