Audited Supplier
Hyra DTH drill bits
1:The longer life of the drill: the alloy material, with longer using life which better than the similar products
2:High Drilling Efficiency: the drill buttons is wear-resistant, so that the drill can always keep sharp, thus greatly improving the speed of the drilling
3:The drilling speed is stable: the bit is scraped and cut to break the rock.
4:Good Performance: the Hyra bit has strong wear resistance, good diameter protection and can make the cutting teeth be used efficiently
5:The use of a wide range: the practice proves that the bit is suitable for carbonate rock, limestone, chalk, clay rock, siltstone, sandstone and other soft and hard (9 - grade drillability of rock, hard rock drilling), compared with normal bit, especially drilling in 6-8 grade rock the effect is particularly significant.
6: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.
7:Inch available: 3", 4", 5", 6", 8", 12", etc...
| Model | Head Diameter(mm) | Shank Length(mm) | Spline | Port holes | Gauge Buttons |
| Hyra Drill Bit HDB-SP480 4 inch | φ105-107 | 165 | 10 | 2 | 6×φ14 |
| φ108-110 | 165 | 10 | 2 | 7×φ14 | |
| φ110-115 | 165 | 10 | 2 | 7×φ14 | |
| φ110-115 | 165 | 10 | 2 | 7×φ16 | |
| φ110-115 | 165 | 10 | 2 | 8×φ16 | |
| φ116-120 | 165 | 10 | 2 | 8×φ14 | |
| φ121-130 | 165 | 10 | 2 | 8×φ14 |
3. Face design, buttons shape, buttons configuration and flushing holes number must be confirmed when the order is confirmed.
4. Please be cautious when order some bigger diameter of button bits since some bigger diameters are over sized.
5. Other shanks bits are also available as per request.
| Model | Head Diameter(mm) | Shank Length(mm) | Spline | Port holes | Gauge Buttons |
| Hyra Drill Bit HDB-SP480 4 inch | φ105-107 | 165 | 10 | 2 | 6×φ14 |
| φ108-110 | 165 | 10 | 2 | 7×φ14 | |
| φ110-115 | 165 | 10 | 2 | 7×φ14 | |
| φ110-115 | 165 | 10 | 2 | 7×φ16 | |
| φ110-115 | 165 | 10 | 2 | 8×φ16 | |
| φ116-120 | 165 | 10 | 2 | 8×φ14 | |
| φ121-130 | 165 | 10 | 2 | 8×φ14 | |
| Hyra Drill Bit HDB-SP580 5 inch | φ130 | 185 | 10 | 2 | 7×φ16 |
| φ130-140 | 185 | 10 | 2 | 7×φ18 | |
| φ130-140 | 185 | 10 | 2 | 8×φ16 | |
| φ130-140 | 185 | 10 | 2 | 8×φ18 | |
| φ141-146 | 185 | 10 | 2 | 8×φ18 | |
| φ147-152 | 185 | 10 | 2 | 8×φ18 | |
| Hyra Drill Bit HDB-SP680 6 inch | φ152-165 | 231 | 12 | 2 | 8×φ18 |
| φ152-165 | 231 | 12 | 2 | 9×φ18 | |
| φ166-180 | 231 | 12 | 2 | 8×φ18 | |
| φ166-180 | 231 | 12 | 2 | 9×φ18 | |
| φ181-185 | 231 | 12 | 2 | 9×φ18 | |
| φ186-190 | 231 | 12 | 2 | 10×φ18 | |
| Hyra Drill Bit HDB-SP780 7 inch | φ180-190 | 220 | 10 | 3 | 9×φ18 |
| φ191-195 | 220 | 10 | 3 | 9×φ18 | |
| φ196-203 | 220 | 10 | 3 | 10×φ18 | |
| Hyra Drill Bit HDB-SP882 8 inch | φ195-203 | 260 | 12 | 2 | 10×φ18 |
| φ195-203 | 260 | 12 | 2 | 10×φ19 | |
| φ204-219 | 260 | 12 | 2 | 10×φ18 | |
| φ204-219 | 260 | 12 | 2 | 10×φ18 | |
| φ220-225 | 260 | 12 | 2 | 12×φ16 | |
| φ226-235 | 260 | 12 | 2 | 12×φ18 | |
| φ226-235 | 260 | 12 | 2 | 12×φ19 | |
| φ236-245 | 260 | 12 | 2 | 12×φ18 | |
| φ236-245 | 260 | 12 | 2 | 12×φ19 | |
| Hyra Drill Bit HDB-SP1080 10 inch | φ240-254 | 310 | 12 | 2 | 12×φ19 |
| φ255-275 | 310 | 12 | 2 | 12×φ19 | |
| φ276-290 | 310 | 12 | 2 | 15×φ19 | |
| φ291-305 | 310 | 12 | 3 | 15×φ19 | |
| φ306-320 | 310 | 12 | 3 | 15×φ19 | |
| Hyra Drill Bit HDB-SP1280 12 inch | φ305-315 | 375 | 12 | 3 | 15×φ19 |
| φ316-330 | 375 | 12 | 3 | 15×φ19 | |
| φ331-350 | 375 | 12 | 3 | 15×φ19 | |
| φ351-380 | 375 | 12 | 4 | 16×φ19 |
We need to confirm the following Product Specification before placing an order:
1. The type of drill bit;
2. The head diameter of drill bit;
3. Bit face shape Choice: (Main shapes are: Drop Center, Concave Face, Convex Face, Double Gauge Face, Flat Face)
4. Shape of alloy teeth. (Main tooth shape: Domed/Round Button, Parabolic/Semi-Ballistic Buttons, Ballistic button,
Sharp button, Flat button)
