Rock drilling tools manufacturer ProDrill supplies high quality DTH Hammer Bits with BR shank type are available in a various range of sizes and with a number of custom design features for optimum performance in a rock formation, designed to match all conceivable applications for water well drilling, stone quarrying, mining and construction. shank adaptor is the most important part of rock driling tools , which will decide rock drill's drilling efficiency and cost.
Rock drill bits Shank type: BR2, BR3; and DTH drill bits hole diameter: 3'', 4'', 5'', 6'', 8''(85mm-350mm).
Convex Face
A classic design for soft to medium hard rock formation which is not so abrasive. This design have very excellent penetration rate but poor in hole deviation if rocks are hard.
For high penetration rates in soft to medium-hard with low to medium air pressures. It is the most resistance to steel wash, and may reduce the load and wear on the gauge buttons, but poor hole deviation control.
Semi-Ballistic/Parabolic Buttons
Excellent penetration rate, but only suited to medium hard and not so very abrasive rock formation.
| Specification: |
Diameter: (mm) |
Weight: (kg) |
| Low air pressure DTH bits CIR type |
68 ~ 200 |
2.6 ~ 48 |
| Middle air pressure BR & COP type |
76 ~ 110 |
3.8 ~ 15 |
| 3 inch high Air pressure DTH bits |
85 / 90 / 95 / 100 / 105 |
4.2 ~ 5.5 |
| 4 inch high Air pressure DTH bits |
105 / 110 / 115 / 120 / 127 |
9 ~ 12 |
| 5 inch high Air pressure DTH bits |
133 / 140 / 146 / 152 / 165 |
15 ~ 18.5 |
| 6 inch high Air pressure DTH bits |
152 / 165 / 178 / 190 / 203 |
26 ~ 36 |
| 8 inch high Air pressure DTH bits |
195 / 203 / 216 / 254 / 305 |
33 ~ 95 |
Main Products:
1-12 inch middle-low/high air pressure DTH hammers & bits
Big hole high air pressure DTH hammer using in water well, oil, gas and construction drilling
Eccentric overburden drilling Equipment
Hole opener bit
Rock thread bit (R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, GT60)
Extension Rod, M/F Rod, M/m Rod, Drift Rod,
Shank adapter, coupling sleeves and all kinds of adapters
Advantages:
Compared with the oversea brands, our advantages are bellowing:
A. Our products can match over 85% against the original products
B. Price are competitive against the famous brands and best quality against the small factory
About Us:
1. Our factory has been specialized in manufacturing drilling tools and spare parts for over 15 years.
2. We have advanced technology and equipment.
3. Our technician has more than 15 year's professional working experience.
4. Rock drilling tools are exported throughout the world. Main market: Norway, Turkey, USA, Canada, Australia, Brazil, Uruguay, Iran, Philippines, Thailand, India, etc.
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