Because of economy and powerful drilling capacity, down the hole hammer become an advanced drilling tool for drilling and mining industries. Down the hole hammers and drill bits are designed together to work in perfect unison, giving high penetration rates, long service life and low costs.
- Deliver maximum energy to drilling bit, fast drilling speed and low air consumption.
- Smooth performance and long service life due to high quality alloy steel materials.
- Low problem rate and easy maintenance due to simple, reliable inner structure.
- Easy to depart bit from hammer due to multihead thread connecting chuck.
- Interchangeable with DTH bit and drill pipe.
■ Technical Parameters
| Length (Less bit) |
Weight |
Outer Diameter |
Connection Thread |
Bit Shank |
Hole Range |
| 1063mm |
100.5Kg |
142mm |
API3 1/2"REG |
DHD360 |
150-190mm |
| Work Pressure |
Recommended rotation speed |
Air Consumption 1.0Mpa |
Air Consumption 1.8Mpa |
| 1.0-2.5 Mpa |
30-60 r/min |
9m³/min |
20m³/min |
■ Frequently Asked Questions
What payment methods do you accept?
We accept T/T (Telegraphic Transfer), Western Union, or L/C at sight.
How long does it take to process an order?
Based on order quantity, production normally takes 25 days. If we have stock for your requested size, it only takes 2 to 3 days.
What are the available shipping methods?
For sample orders, we suggest courier express (DHL/UPS/TNT/FEDEX) or air. For bulk orders, we recommend shipping by air or by sea.
How do you ensure product quality?
We have an experienced QC team. Every order undergoes strict inspection and testing before being shipped out.
What is your after-sales service policy?
Our sales team responds within 24 hours. We provide continuous technical support and offer free replacements for confirmed quality failures.
Are the hammers compatible with other bits?
Yes, our HD series hammers are designed to be interchangeable with standard DTH bits and drill pipes.