Complaint
| Hammer inch | Bits diameter | Shank | |
| Metric | Inch | ||
| 1" | 64mm-70mm | 2 1/2"-2 3/4" | BR1 |
| 2" | 70mm-95mm | 2 3/4"-3 3/4" | MACH20/BR2 |
| 3" | 90mm-102mm | 3 1/2"-4" | COP32/COP34/MACH303 M30/DHD3.5/BR3 |
| 4" | 105mm-152mm | 4 1/8"-6" | COP44/DHD340/MACH44 SD4/M40/QL40 |
| 5" | 133mm-165mm | 5 1/4"-6 1/2" | COP54/DHD350R/MACH50 SD5/M50/QL50/BR5 |
| 6" | 152mm-254mm | 4 1/8"-10" | COP64/DHD360/SD6 M60/QL60/Bulroc BR6 |
| 8" | 203mm-330mm | 8"-13" | COP84/DHD380/SD8 QL80/M80 |
| 10" | 254mm-380mm | 10"-15" | SD10 NUMA100 |
| 12" | 305mm-508mm | 12"-20" | DHD1120/SD12 NUMA120/NUMA125 |
Packing:
Frequently Asked Question:
1.Are you a manufacturer or a trade company? |
We are a manufacturer of rock drilling equipments and pneumatic tools in China over 20 years. |
2.How many workers in your factory?And what is your company scale? |
Area of our factory: over 50,000SQM; |
3.Where are your company? |
We are located in Changsha city,Hunan province,where our first chairman Mao was born.1 and half hours by car from the nearest Huanghua international airport,2 and half hours by CHR express from Guangzhou nan station to Changsha city. |
4.Why choose us? |
1) We have more than 20 years of researching,developing, manufacturing and exporting high quality rock drilling equipments and penumatic tools to the over 30 countries. |
2) All relevant spare parts with high performance and wear resistance and compatible with IR, DHD, SD, QL, MISSION, NUMA, COP, BR, MACH etc. |
3) Stable delivery time within 25 working days. |
4) Directly factory price. |
5.Which port do you shipping from? |
We usually ship container from Shanghai port and can make change according to your request. |
6. Can you accept OEM & ODM ? |
Yes, both of them are acceptable. |
7.What is your minimum order quantity? |
Our MOQ are 1pc or 1 complete set, the price may rely on the order quantity. |
8.What is your payment term? |
We usually accept T/T, L/C, and but it' s negotiable. |
Quality warranty:
Our hammers are made of high quality steel and all spares are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.
Package:
Using plywooden cases and pallet for exporting to protect products and avoid the damagement during transportation. Also we can customize package according to your special requests.
Production time:
Generally, Production time is 15 -25 days.
Transportation:
By air, By Express or By sea according to your requests.
