High air pressure DTH hammer is an advanced down-the-hole drilling tool designed for percussive drilling in rock formations. Known for its high efficiency and powerful impact energy, it uses compressed air to drive the piston, ensuring high penetration rates even in tough geological conditions. This hammer is widely utilized in mining, quarrying, water well drilling, and civil engineering applications.
Key Features & Advantages
High drilling speed and low air consumption due to optimized internal structure.
Manufactured using high-quality alloy steel and advanced heat treatment processing.
Simplified inner structure ensures reliable performance and easy maintenance.
Multi-head thread connecting chuck allows for easy disassembly of the bit.
Compatible with various DTH bits and drill pipes.
Technical Specifications
Type
Model
Length (mm)
Weight (kg)
Ext. Dia (mm)
Hole Range (mm)
3.5 inch
DHD3.5
930
25
Φ82
Φ90-110
4 inch
DHD340
1030
39
Φ99
Φ110-135
SD4
1084
40.5
Φ99
QL4
1097
41
Φ99
Mission40
1005
40
Φ99
5 inch
DHD350
1214
76.5
Φ125
Φ135-155
SD5
1175
72.5
Φ125
QL5
1147
73
Φ125
Mission50
1110
68.5
Φ125
6 inch
DHD360
1248
100
Φ142
Φ155-190
SD6
1261
100
Φ142
QL6
1212
95
Φ146
Mission60
1161
90
Φ146
Detailed Parameters (BR3 Hammer)
Hammer Length (without bit)
871 mm
Top Sub Thread
API 2 3/8" REG PIN
Outside Diameter
82 mm
Weight
21 KG
Bit Diameter
90-115 mm
Working Pressure
1.0-1.7 MPa
Air Consumption
4-7 m³/min
Bit Shank
BR3
Product Gallery
Packaging & Logistics
Frequently Asked Questions
What are the accepted payment methods?
We accept T/T (Telegraphic Transfer), Western Union, and L/C at sight.
How long does it take to process an order?
Production normally takes about 25 days. If the requested size is in stock, it can be shipped within 2-3 days.
What shipping options are available?
For sample orders, we suggest express couriers like DHL, UPS, TNT, or FEDEX. For bulk orders, we recommend air or sea freight.
How is product quality controlled?
We have an experienced QC team. Every order undergoes strict inspection and testing before shipment.
What kind of after-sales service is provided?
Our team responds within 24 hours. Technical support is always available, and free replacements are provided for confirmed quality failures.
Is the BR3 hammer suitable for water well drilling?
Yes, high air pressure DTH hammers are highly efficient for water well drilling, mining, and civil engineering applications.