| Model Number | 3/3.5,4,5,6,8,10,12 inches | Certification | ISO CE |
| Drill Rock hardness | F=6-20 | Warranty | 1 Year |
| Condition | New | After-sales Service | 7X24hours available |
| Type | Rotary Drilling Rig | Color | As request |
| Processing Type | Forging | Button shape | Spherical, Ballistic, Semi-ballistic |
| Place of Origin | Beijing, China (Mainland) | Bit face shape | Flat, concave, convex, drop center |
| Brand Name | JCDRILL | Other shanks | COP,DHD,MISSION, SD |
| Usage | Rock drilling | Type | DTH Hammer |
| Material | Carbide | Machine Type | Drilling Tool |
Introduction
The Back Hammer is a tool that can save and re- cover a drill string stuck in a hole, it can be easily fitted in a suitable tube joint between the drill support and the rotation head to provide an effective combination of backward hammering and vibration to loosen stuck drill strings.
Features
1 JCDRILL back hammer
2 saving time and equipment
3 180-225mm diameter
4 API 3 1/2" standard
5 high quality material
6. Competitive price
Application:
1. mine and quarry
2. road construction for the drilling and blasting work
3. water well drilling
4. slope protection
| Back Hammer | |||||
| Products | Pressure | Thread | Total Length(mm) | Diameter | KG |
| LBH140 | 8Bar | API 3 1/2" | 510 | 140 | 31 |
| LBH160 | 8Bar | API 3 1/2" | 540 | 160 | 44 |
| LBH190 | 8Bar | API 4 1/2" | 580 | 190 | 63 |
| LBH240 | 8Bar | API 4 1/2" | 600 | 240 | 85 |
| DTH Hammer | ||
| Type | Model | Outer Diameter |
| High pressure DTH Hammer | ||
| 3 inch | JD25A | 71mm |
| 3.5 inch | JD35A/M30 | 82mm |
| 4 inch | JD45A/QL40A/M40/SD4 | 99mm |
| 5 inch | JD55A/QL50A/M50/SD5 | 125mm |
| 6 inch | JD65A/QL60A/M60/SD6 | 142mm |
| 8 inch | JD85A/QL80A/M80/SD8 | 180mm |
| 10 inch | HD100A/SD10 | 225mm |
| 12 inch | JD125A/SD12 | 275mm |
| 14 inch | JD140A | - |
| Middel Pressure DTH Hammer | ||
| 2.5 inch | BR1 | 56mm |
| 3 inch | BR2 | 64mm |
| 3.5 inch | BR3 | 82mm |
| Lower Pressure DTH Hammer | ||
| 3 inch | CIR65 | 68mm |
| 3.5 inch | CIR70 | 76mm |
| 4 inch | CIR90 | 99mm |
| 5 inch | CIR110 | 110mm |
| 6 inch | CIR150 | 150mm |
| 8 inch | CIR170 | 170mm |
| Back Hammer | ||
| 6 inch | BH140 | 155mm |
| 8 inch | BH170 | 190mm |
| 10 inch | BH190 | 220mm |
| 12 inch | BH240 | 190mm |
Picture
| Minimum Order Quantity | N/A |
| Price | |
| Packaging Details | Standard Export Delivery Package |
| Delivery Time | 7days |
| Payment Terms | T/T |
| Supply Ability | Based on Detailed Order |
