| Sign In | Join Free | My entremaqueros.com | 
 | 
| Categories | Big Hole DTH Hammers | 
|---|---|
| Surface Treatment: | Spray-Paint | 
| Manufacturing Process: | Forging | 
| Material: | Alloy Steel | 
| Transport Package: | Ply-Wooden Cases for Exporting | 
| Specification: | 2 Inch to 12 Inch | 
| Trademark: | Super Diamond | 
| Origin: | China | 
| HS Code: | 8207199000 | 
| Supply Ability: | 10000 | 
| Customization: | Available | 
| Certification: | ISO 9001:2000 | 
| Standard: | JIS, ASTM | 
| Company Info. | 
| Changsha Chaojingang Machinery Manufacturing Co., Ltd. | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 



| Hammers | Bit Shank | Connection Thread | Suitable bit | Working pressure | Air consumption | |
| 1-3" Middle-low pressure DTH hammers | BR1 BR2 BR3 | RD40 box RD50 box API 2 3/8" Reg | ¢64-¢76mm ¢70-¢90mm ¢90-¢110mm | 0.7-1.75Mpa 0.7-1.75Mpa 0.7-1.75Mpa | 0.7Mpa | 4.5m3/min | 
| 1.0Mpa | 4m3/min | |||||
| 1.4Mpa | 5m3/min | |||||
| 3" hammers | DHD3.5 COP32/COP34 M30 | API 2 3/8"Reg | ¢90-¢110mm | 1.0-1.5Mpa | 1.0Mpa | 4.5m3/min | 
| 1.5Mpa | 9m3/min | |||||
| 4" hammers | DHD340 COP44 QL40 SD4 M40 | API 2 3/8"Reg | ¢105-¢130mm | 1.0-2.5Mpa | 1.0Mpa | 6m3/min | 
| 1.8Mpa | 10m3/min | |||||
| 2.4Mpa | 15m3/min | |||||
| 5" hammers | DHD350 COP54 QL50 SD5 M50 | API 2 3/8"Reg/API 3 1/2"Reg | ¢130-¢156mm | 1.0-2.5Mpa | 1.0Mpa | 9m3/min | 
| 1.8Mpa | 15m3/min | |||||
| 2.4Mpa | 23m3/min | |||||
| 6" hammers | DHD360 COP64 QL60 SD6 M60 | API 3 1/2"Reg | ¢152-¢203mm | 1.0-2.5Mpa | 1.0Mpa | 10m3/min | 
| 1.8Mpa | 20m3/min | |||||
| 2.4Mpa | 28.5m3/min | |||||
| 8" hammers | DHD380 COP84 QL80 SD8 | API 4 1/2"Reg | ¢200-¢279mm | 1.0-2.5Mpa | 1.0Mpa | 15m3/min | 
| 1.8Mpa | 26m3/min | |||||
| 2.4Mpa | 34m3/min | |||||
| 10" hammers | SD10 NUMA100 | API 6 5/8"Reg | ¢254-¢330mm | 1.0-2.5Mpa | 1.0Mpa | 22m3/min | 
| 1.8Mpa | 40m3/min | |||||
| 2.4Mpa | 55m3/min | |||||
| 12" hammers | DHD1120 SD12 NUMA120 NUMA125 | API 6 5/8"Reg | ¢305-¢381mm | 1.0-2.5Mpa | 1.0Mpa | 30m3/min | 
| 1.8Mpa | 56m3/min | |||||
| 2.4Mpa | 78m3/min | |||||
|   | 
 12 Inch Rock Drilling Hammer Fatigue Resistant Tearproof With Standard ASTM
                                                                                        
                                                        
                        
                        
                        
                                                            12 Inch Rock Drilling Hammer Fatigue Resistant Tearproof With Standard ASTM
                                                    
                        
                     Cn125A Down The Hole Hammer NUMA125 Safety Operation Customizable
                                                                                    
                        
                        
                        
                                                            Cn125A Down The Hole Hammer NUMA125 Safety Operation Customizable
                                                    
                        
                     Spray Paint CD1120A DTH Hammer And Bit Heavy Duty for Utility Installations
                                                                                    
                        
                        
                        
                                                            Spray Paint CD1120A DTH Hammer And Bit Heavy Duty for Utility Installations
                                                    
                        
                     Large Scale DTH Hammer And Bit Numa125 Rock Drilling Hammer Erosion Resistant
                                                                                    
                        
                        
                        
                                                            Large Scale DTH Hammer And Bit Numa125 Rock Drilling Hammer Erosion Resistant
                                                    
                        
                     Flexible Customing DTH Down The Hole Hammer Quarrying Operations Long Lasting
                                                                                    
                        
                        
                        
                                                            Flexible Customing DTH Down The Hole Hammer Quarrying Operations Long Lasting
                                                    
                        
                     Fireproof DTH Bits And Hammers 8 Inch High Hardness For Ore Body Definition
                                                                                    
                        
                        
                        
                                                            Fireproof DTH Bits And Hammers 8 Inch High Hardness For Ore Body Definition
                                                    
                        
                     Large Diameter High Air Pressure DTH Bits Geothermal Wells DTH Drilling Tools
                                                                                    
                        
                        
                        
                                                            Large Diameter High Air Pressure DTH Bits Geothermal Wells DTH Drilling Tools
                                                    
                        
                     10 Inch Down Hole Drilling Tools Foundation Construction DTH Hammer Assembly
                                                                                    
                        
                        
                        
                                                            10 Inch Down Hole Drilling Tools Foundation Construction DTH Hammer Assembly