Hoge de Knoopbeetjes van de Luchtdruk DTH, 4 Duimdownhole Boringshulpmiddelen
DTH-de Eigenschappen van Knoopbeetjes:
1. Het strikte kwaliteit controleren
2. Geselecteerde hoogte - kwaliteits speciaal staal en carbide
3. Geproduceerd door CNC machines
4. Eenvoudig en redelijk ontwerp, Laag probleemtarief
DTH-de Parameters van Knoopbeetjes
| Hamerduim | Beetjesdiameter | Steel | |
| Metrisch | Duim | ||
| 1“ | 64mm70mm | 2 1/2“ - 2 3/4“ | BR1 |
| 2“ | 70mm95mm | 2 3/4“ - 3 3/4“ | MACH20/BR2 |
| 3“ | 90mm102mm | 3 1/2“ - 4“ | COP32/COP34/MACH303 |
| M30/DHD3.5/BR3 | |||
| 4“ | 105mm152mm | 4 1/8“ - 6“ | COP44/DHD340/MACH44 |
| SD4/M40/QL40 | |||
| 5“ | 133mm165mm | 5 1/4“ - 6 1/2“ | COP54/DHD350R/MACH50 |
| SD5/M50/QL50/BR5 | |||
| 6“ | 152mm254mm | 4 1/8“ - 10“ | COP64/DHD360/SD6 |
| M60/QL60/Bulroc BR6 | |||
| 8“ | 203mm330mm | 8“ - 13“ | COP84/DHD380/SD8 |
| QL80/M80 | |||
| 10“ | 254mm380mm | 10“ - 15“ | SD10 |
| NUMA100 | |||
| 12“ | 305mm508mm | 12“ - 20“ | DHD1120/SD12 |
| NUMA120/NUMA125 | |||
DTH-Verschillende de Knopenvormen van Knoopbeetjes:
