| Brand Name | TEAMWHOLE |
| KEY WORDS | DTH HAMMER,DRILL HAMMER ROCK DRILLING TOOLS |
| Product model | TH8 DHD380 COP84 QL50,SD8 MISSION80 |
| Application | Water well drilling,Dlasting hole drilling anchor drilling,quarry |
| Thread | API 3 1/2"Reg Pin |
Changsha Tianhe Drilling(Brand-TEAMWHOLE) -As a top manufacturer for Rock drilling tools in China,we offer
1.DTH hammers and bits(3inch-32inch)--Shank with DHD, COP, QL, SD, Mission, MACH and NUMA etc
2.Concentric and eccentric casing system ,
3.RC hammers and bits&RC rods,
4.Button bits,shank adapter,coupling sleeve ,
5.Drill rig&drill rods,shock absorbers.
Wide range of drilling products which cover all of DTH hole drilling,like for mininig,quarry blasting hole borehole drilling, water well,depep hole well,oil and gas open hole drilling, foundation and piling drilling,borehole drilling.
8" type DTH hammer is most widely used size for all kinds of drilling, the specification as follow,
| Hammer Model | Recommend bit range | Shank | Outside Dia. | Length | Backhead Thread | Weight |
| JH8H HAMMER | 203-270MM | DHD380 with foot valve | 185mm | 1460MM | API 4 1/2" Reg Pin | 195 |
| JH8L HAMMER | 203-270MM | QL80 with foot valve | 185mm | 1460MM | API 4 1/2" Reg Pin | 195 |
| JH8S HAMMER | 203-270MM | SD8 with foot valve | 185mm | 1460MM | API 4 1/2" Reg Pin | 195 |
| JS8H HAMMER | 203-270MM | DHD380 without foot valve | 185mm | 1460MM | API 4 1/2" Reg Pin | 195 |
| JS8L HAMMER | 203-270MM | QL80 without foot valve | 185mm | 1460MM | API 4 1/2" Reg Pin | 195 |
| JS8S HAMMER | 203-270MM | SD8 without foot valve | 185mm | 1460MM | API 4 1/2" Reg Pin | 195 |
| JS8M HAMMER | 203-270MM | MISSION80 | 185mm | 1460MM | API 4 1/2" Reg Pin | 195 |
| Top sub with carbides and outer cylinder,chuck sleeve welding are available | ||||||
| ITEM Discrimination | |
| Part List | ||
| 1 | TOP SUB(Can insert carbides) | |
| 2 | TOP SUB RING | |
| 3 | CHECK VALVE | |
| 4 | SPRING | |
| 5 | SHOCK RING | |
| 6 | AIR DISTRIBUTING SEAT | |
| 7 | INNER CYLINDER | |
| 8 | PISTON | |
| 9 | OUTER CYLINDER | |
| 10 | BUSH DRIVE SUB | |
| 11 | O RING | |
| 12 | BIT REATINER RING | |
| 13 | CHUCK SLEEVE | |
Related tools
*DHD380 COP84 QL80,SD8 MISSION80 DTH BIT
*114MM DTH DRILL RODS
*Tag:down-the-hole hammer, China, suppliers, manufacturers, customized, price, high quality
Copyright © 2010 CHANGSHA TIANHE DRILLING TOOLS AND MACHINERY CO.,LTD.
