12" DTH HAMMER
Matched Bit shank: DHD112/SD12/NUMA120/NUMA125
Hole Range: 305mm-350mm
Application: Water well,deep hole well,oil and gas open hole drilling, Foundation and piling drilling
TEAMWHOLE 12INCH DTH HAMMER
Teamwhole manufactures wide range and most efficient Down-the-Hole (DTH) hammers and bits for the mining blasting,water well especially deep well drilling,foundation construction etc.Our prodcuts trust by drilling contractor becasue of the advantages
Features
1.Piston produced with high nickel steel,adavnce heat treatment,ensure the hammer long service
2.Designed under real platform testing,then will know what's the frequency and impact power the DTH hammer transfer to DTH bits
3.Advanced CNC machine ensure DTH hammer every parts smooth srface,ewer parts and easier maintenance.
4.Geater productivity, extrax-short structure,can ensure DTH hammer increase efficiency, more power, and faster penetration.
| Structure-----12"DTH HAMMER WITH FOOT VALVE | ||
| ITEM Discrimination | |
| Part List | ||
| 1 | TOP SUB(Can insert carbides) | |
| 2 | TOP SUB RING | |
| 3 | CHECK VALVE | |
| 4 | SPRING | |
| 5 | SHOCK RING | |
| 6 | CHECK VALVE GUIDE | |
| 7 | AIR DISTRIBUTING GUIDE | |
| 8 | PRESSURE BEARING RING | |
| 9 | AIR DISTRIBUTING TUBE | |
| 10 | PISTON | |
| 11 | OUTER CYLINDER | |
| 12 | BUSH DRIVE SUB | |
| 13 | O RING | |
| 14 | BIT RETAINER RING | |
| 15 | STEEL RING | |
| 16 | CHUCK SLEEVE | |
| JH12N-NUMA120 DTH HAMMER | ||||
| Length without bit | Weight | Outer diameter | Matched bit shank | Rec.Bit hole |
| 1698mm | 550kg | 275mm | NUMA120 with foot valve | φ305mm-φ350mm |
| Maximum pressure | Impact frequency | Recommend rotation | Air consumption | Thread connection |
| 3.5Mpa | 23HZ at 18bar | 25-50r/min | 70 m³/min at 18bar | API 6 5/8"Reg |
| JH12S-SD12 DTH HAMMER | ||||
| Length without bit | Weight | Outer diameter | Matched bit shank | Rec.Bit hole |
| 1698mm | 550kg | 275mm | SD12 with foot valve | φ305mm-φ350mm |
| Maximum pressure | Impact frequency | Recommend rotation | Air consumption | Thread connection |
| 3.5Mpa | 23HZ at 18bar | 25-50r/min | 70 m³/min at 18bar | API 6 5/8"Reg |
| JH12HN-NUMA125 DTH HAMMER | ||||
| Length without bit | Weight | Outer diameter | Matched bit shank | Rec.Bit hole |
| 1698mm | 550kg | 275mm | NUMA125 with foot valve | φ305mm-φ350mm |
| Maximum pressure | Impact frequency | Recommend rotation | Air consumption | Thread connection |
| 3.5Mpa | 23HZ at 18bar | 25-50r/min | 70 m³/min at 18bar | API 6 5/8"Reg |
Teamwhole other DTH hammer model
DTH HAMMER (INCH) | Matched bit shank | Bit range | |
| Metric | Inch | ||
| 3.5" | COP32/COP34/MACH303M30/DHD3.5/BR33 | 90mm-115mm | 3 1/2"-4" |
| 4" | COP44/DHD340/MACH44SD4/M40/QL40 | 105mm-130mm | 4 1/8"-5 1/10" |
| 5" | COP54/DHD350R/MACH50SD5/M50/QL50/BR5 | 135mm-152mm | 5 1/4"-6" |
| 6" | COP64/DHD360/SD6M/60/QL60/Bulroc BR6 | 152mm-190mm | 6"-7.5" |
| 8" | COP84/DHD380/SD8/QL80/M80 | 203mm-254mm | 8"-10" |
| 10" | SD10/NUMA100/TH10 | 254mm-305mm | 10"-12" |
| 12" | DHD112/SD12/NUMA120/NUMA125 | 305mm-350mm | 12"-13 3/4" |
| 14" | TK14/NUMA125 | 350mm-450mm | 13 3/4"-17 3/4" |
| 18" | NUMA180/TK18 | 450mm-600mm | 17 3/4"-23 3/5" |
| 24" | NUMA240/TK28 | 600mm-1000mm | 23 3/5"-39 1/3"Related tools |
