DTH Hammer
Speed Series DTH Hammers
Features
◆ Features a simpler structure that is easy to maintain and less prone to failure.
◆ The hammer utilizes a more rational structural design,
ensuring efficient transmission of impact energy; this results in high impact power,
low air consumption, high impact frequency, and rapid drilling speeds,
making the product more fuel-efficient.
◆ All components are manufactured from high-quality specialty steel;
through surface hardening and precision finishing,
they exhibit excellent wear resistance and an extended service life.
◆ The piston features a simplified structure and is manufactured using imported
materials combined with an optimized heat treatment process,
resulting in superior surface wear resistance and minimal pressure drop over time.
TJ/TW Speed Series DTH Hammers
The TJ/TW series hammers are a new type of compact, high-air-pressure hammer developed by our company, featuring advantages such as rapid penetration rates, low energy consumption, excellent stability, and a long service life.
Features
◆ The structure is simpler, easier to maintain, and less prone to failure.
◆ The hammer and drill bit feature a compact structural design, ensuring rapid energy transmission, high impact frequency, substantial impact energy, and fast drilling speeds.
◆ The down-the-hole hammer features optimized air distribution dimensions and cavity design, resulting in low air consumption and a more fuel-efficient product.
◆ The piston structure is simpler, the surface is more wear-resistant, and the pressure remains stable.

| Type | Spline | Joint Thread | Outer diameter(mm) | Recommended Drill Bit Size(mm) | Length (excluding drill bit)(mm) | Piston Weight(kg) | Hammer Weight(kg) | Operating Air Pressure |
|---|---|---|---|---|---|---|---|---|
| 4‘’ | TJ40 | API 23/8"REG | 102 | 115-130 | 886.5 | 8.2 | 36 | 16-25 |
| 5‘’ | TJ50 | API 23/8"REG | 126 | 140-152 | 939 | 13.2 | 62 | 16-28 |
| 6‘’ | TJ60 | API31/2"REG | 148.5 | 155-190 | 1156 | 23.3 | 100 | 16-30 |
| 7‘’ | TJ70 | APl31/2orAPl41/2 | 170 | 185-203 | 1169 | 34.4 | 148 | 16-30 |
| 8‘’ | TJ80 | API41/2"REG | 185 | 203-245 | 1282 | 42.5 | 193 | 16-30 |

| Type | Spline | Joint Thread | Outer diameter(mm) | Recommended Drill Bit Size(mm) | Length (excluding drill bit)(mm) | Piston Weight(kg) | Hammer Weight(kg) | Operating Air Pressure |
|---|---|---|---|---|---|---|---|---|
| 4‘’ | TW40 | API23/8"REG | 102 | 115-130 | 886.5 | 8.2 | 35.9 | 16-25 |
| 5‘’ | TW50 | API23/8"REG | 126 | 140-152 | 943 | 13.2 | 62.5 | 16-28 |
Speed-Tailpipe Series Hammers
The "Extreme Speed" Tailpipe Series DTH Hammer is a novel, high-air-pressure down-the-hole hammer developed by our company. Representing a newly redesigned and developed next-generation product featuring a tailpipe, it offers such advantages as rapid penetration rates, extended service life, and superior operational stability
Features
◆ The down-the-hole hammer features a high-frequency structural design,
with a frequency approaching that of comparable tailpipe-less hammers.
◆ TAll components are manufactured from high-quality specialty steel; through surface hardening and enhanced surface finish, they exhibit excellent wear resistance and a long service life.
◆ The impactor features a simple structure, high reliability, and is easy to disassemble, making maintenance and servicing convenient.
◆ Slag discharge is smooth, and air consumption is moderate—approximately 10% higher than that of comparable tailpipe-less DTH hammers.
| Type | Spline | Joint Thread | Outer diameter(mm) | Recommended Drill Bit Size(mm) | Length (excluding drill bit)(mm) | Piston Weight(kg) | Hammer Weight(kg) | Operating Air Pressure |
|---|---|---|---|---|---|---|---|---|
| 4‘’ | TW40 | API23/8"REG | 102 | 115-130 | 886.5 | 8.2 | 35.9 | 16-25 |
| 5‘’ | TW50 | API23/8"REG | 126 | 140-152 | 943 | 13.2 | 62.5 | 16-28 |


