| 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 designed to give percussion mechanism in which the impact power is directed backwards to help free DTH Hammer and drill pipes that have jammed in the drill hole.
The Back Hammer is designed to help to free a DTH hammer and drill pipes that have jammed in the drill hole. It can also be used to hammer down or withdraw casings.
The Back Hammer is mounted between the rotating unit and the drill pipes or between drill pipes.
Compared with the oversea brands, our advantages are bellowing:
a. Our products can match over 95% against the original products
b. Price are competitive against the famous brands and best quality against the small factory
| 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 |
