Description
SINODRILLS DTH Bits
The DTH bits are the tool cutting rock. Sinodrills DTH bits are made of superior quality alloy steel, which is made in the U.S. Besides, all our DTH bits use the premium T.C carbide, which provides the T.C buttons for the famous brand. In addition, art manufacturing technology makes our DTH bits with higher and more reliable quality.
Features of DTH Bits
• Premium alloy buttons;
• Premium alloy steel for skirts;
• Skirts are nitriding-processed, featuring better wearing quality;
• Complete sizes and specifications, compatible with most mainstream-branded DTH hammers.
Applications of DTH Bits
Mining, quarrying, water well drilling, geothermal well drilling, foundation piling, etc.
DTH Bits Face Design and Selection
DTH Bits Button Shapes Selection
DTH Bits Shank Indentification
DTH Button Bits Parameters
| Bit size | Shank type | Recommended DTH bir diameter |
| 3.5”/3” DTH Hammer bits | COP34, DHD3.5, MISSION30, BR3 shank | 90mm to 105mm |
| 4” DTH Hammer bits | DHD340, QL40, MISSION40, SD4 shank | 110mm to 130mm |
| 5” DTH Hammer bits | DHD350, QL50, MISSION50, SD5 shank | 134mm tio 152mm |
| 6” DTH Hammer bits | DHD360, QL60, MISSION60, SD6 shank | 152mm to 203mm |
| 8” DTH Hammer bits | DHD380, QL80, MISSION80, SD8 shank | 203mm to 305mm |
| 12” DTH Hammer bits | DHD112, SD12 and QL120 shank | Available upon to customers’ request |
