High Air Pressure DTH Bits
Brief introduction of our DTH drill bits:
Down-the-hole (DTH) hammer bits are used with Down-the-hole hammers for drilling holes through a wide range of rocks types. In conjunction with DTH hammers, drill hammer bits are designed with a spline drive for rotating the bit in the ground. Drill bits are available in different sizes and different styles so they can drill a wide range of hole sizes. Our variety of Down the Hole (DTH) bits is manufactured using high quality materials to provide you with a fine balance between penetration capability and bit life. We offer a comprehensive range of standard and made to order drill bits on an extensive selection of shanks with a wide variety of head designs to suit every project.
Specifications of High air pressdure DTH drill bit:
| HAMMER | BIT DIA(MM) | BIT DIA(INCH) | SHANK |
| 1 INCH | 64MM-76MM | 2 1/2"-3" | BR1 |
| 2 INCH | 76MM-90MM | 3"-3 1/2" | BR2/PAD320 |
| 3 INCH | 85MM-105MM | 3 2/5"-4" | BR3/DHD330/COP32/PAD330 |
| 3.5 INCH | 85MM-110MM | 3 2/5"-4 1/3" | DHD3.5/IR3.5/COP34/QL30/PAD3.5 |
| 4 INCH | 105MM-140MM | 4"-5 1/2" | DHD340/COP44/QL40/SD4/MISSION40/PAD340 |
| 5 INCH | 127MM-200MM | 5"-8" | DHD350/COP54/QL50/SD5/MISSION50/PAD350 |
| 6 INCH | 152MM-254MM | 6"-10" | DHD360/COP64/QL60/SD6/MISSION60/PAD360 |
| 8 INCH | 195MM-350MM | 7.2/3"-13 4/5" | DHD380/COP84/QL80/SD8/MISSION80/PAD380 |
| 10 INCH | 254MM-380MM | 10"-15" | SD10/NUMA100/DHD1100/PAD1100 |
| 12 INCH | 305MM-457MM | 12"-18" | SD12/NUMA120/DHD1120/PAD1120 |
Picture of our High air pressure button bits rock drilling:
Zhuzhou Xinpin Cemented Carbide Co., Ltd.
Ashary You
ashary@.xpczz.com
Wechat/Mob: +86 15197366167
http://www.xinpincarbide.com
Anna Ling
Mailme