BR3 Middle and High Air Pressure DTH Hammer

Looking for a reliable DTH hammer? Choose BR3 Middle and High Air Pressure DTH Hammer. Get superior quality and performance directly from our factory.

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  • BR3 Middle and High Air Pressure DTH Hammer
  • BR3 Middle and High Air Pressure DTH Hammer
  • BR3 Middle and High Air Pressure DTH Hammer

PRODUCTS DETAILS

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
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
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
The BR1 and BR2 are both valved type hammers designed for high performance at low operating air pressures. Simplicity of design, ease of service and low air consumption are all factors which combine to make these hammers robust and reliable drilling tools. Both hammers are available as standard with box back heads, RD40 for the BR1 and RD50 for the BR2. However alternative back head options are available on request. The BR1 and BR2 hammers both incorporate a positive fitting check valve to guard against the ingress of ground water debris when the air is shut off.  With professional manufacturing experience in DTH hammer production, our factory can supply you with high pressure and medium to low pressure DTH hammers. It strictly matches with API standard and other Chinese industry standards. It is durable for being produced with advanced craftwork and good material. Down The Hole drill bit s are produced from premium quality alloy steel for increased durability and wear characteristics. Specific heat treatment standards and special "stress relief" processes ensure consistent performance. DTH hammer bits are designed for maximum performance and hole cleaning ability and high penetration rate.
Type Model Length Weight External Dia.(mm) Hole Range
(mm) (kg) (mm)
3.5 inch DHD3.5 930 25 82 90-110
4 inch DHD340 1030 39 99 110-135
SD4 1084 40.5 99
QL40 1097 41 99
Mission40 1005 40 99
5 inch DHD350 1214 76.5 125 135-155
SD5 1175 72.5 125
QL50 1147 73 125
Mission50 1110 68.5 125
6 inch DHD360 1248 100 142 155-190
SD6 1261 100 142
QL60 1212 95 146
Mission60 1161 90 146
8 inch D85 1492 188 180 195-254
SD8 1463 192 180
QL80 1465 182 180
Mission80 1338 176 180
10 inch SD10 1502 290 226 254-311
NUMA100 1510 288 226
12 inch DHD1120 All can be designed according to your requests!
Numa120
Numa 125
14 inch JD140A
Middel Pressure DTH Hammer Middel Pressure DTH Hammer

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