Jinzhou City Shitan Machinery Equipment CO. LTD.
Jinzhou City Shitan Machinery Equipment CO. LTD.
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High Clearness Speed HDD Hole Openers 4 Wings PDC Drag Bit ISO9001 Standard
Product Information drilling drag bit
1. reasonable price
2. strong aggressiveness
3. high clearness speed
4. adequate stocks
Bit size
Drills-king concave bits pdc drill bits is mainly used for water well, geothermal well, geological
exploration borehole, gas drainage hole, discharge water hole, blast hole, coal mining.
1. Adopt new super hard materials, cutting bit long service life
2. Can greatly improved drilling efficiency of in medium hard rock and harder medium
3. The blade is durable, do not need to grinding, easy to use
4. It reduces the labor intensity of workers. It’s suitable in 4 to 12 class rock stratum
PDC Concave Bit is a full-scale drilling bit
Mainly be used in construction ,mining, geology, coal, water conservancy and hydropower, highway, high speed railway and bridge etc.
Standard Sizes for Immediate Availability: 2" to 8 1/2" (51mm to 215.9mm)
Other sizes available upon request
Bit parameters
| Diameter | Wings | |
| mm | inch | |
| 51 | 2” | 3 |
| 65 | 2 1/2” | 3 |
| 76 | 3” | 3 |
| 89 | 3 1/2” | 3 |
| 92 | 3 5/8” | 3 / 4 |
| 95 | 3 3/4” | 3 / 4 |
| 98 | 3 7/8” | 3 / 4 |
| 102 | 4” | 3 / 4 |
| 108 | 4 1/4” | 3 / 4 |
| 114 | 4 1/2” | 3 / 4 |
| 127 | 5” | 3 / 4 |
| 133 | 5 1/4” | 3 / 4 |
| 146 | 5 3/4” | 3 / 4 |
| 152 | 6” | 3 / 4 |
| 171 | 6 3/4” | 3 / 4 / 5 |
| 191 | 7 1/2” | 3 / 4 / 5 |
| 216 | 8 1/2” | 4 / 5 / 6 |
