Product Description :
Dth Hammer Types:
Low air pressure: 0.5-0.7Mpa
Middle air pressure : 0.7-1.8Mpa
High air pressure:1.8-2.5Mpa
Parameter of Quarry rock stone mining drill hammer:
| DTH hammer type | MHD35 | MHD45 | MSD4 | MQL4 | |
| Length(less bit) mm | 930mm | 1030 | 1084 | 1097 | |
| Weight(less bit) kg | 25kg | 39 | 40.5 | 41 | |
| External diameter mm | Φ82mm | Φ99 | Φ99 | Φ99 | |
| Bit shank | DHD3.5 | COP44 DHD340 | SD4 | QL40 | |
| Hole range(mm) | Φ90-110 | Φ110-135 | Φ110-135 | Φ110-135 | |
| Connection thread | API 2 3/8" Reg. | API 2 3/8"Reg | API 2 3/8"Reg | API 2 3/8"Reg | |
| Working pressure | 1.0-1.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | |
| Impact rate at 1.5-1.7Mpa | 28Hz | 27Hz | 27Hz | 27Hz | |
| Recommended Rotation speed | 25-40r/min | 25-40r/min | 25-40r/min | 25-40r/min | |
| Air consumption | 1.0Mpa | 4.5m3/min | 6.0m3/min | 6.0m3/min | 6.0m3/min |
| 1.8Mpa | 9.0m3/min | 10.0m3/min | 10.0m3/min | 10.0m3/min | |
| 2.4Mpa | 15.0m3/min | 15.0m3/min | 15.0m3/min | ||
| DTH hammer type | MHD55 | MHD55C | MSD5 | MQL5 | |
| Length(less bit) mm | 1214 | 1160 | 1175 | 1156 | |
| Weight(less bit) kg | 76.5 | 72.5 | 72.5 | 73 | |
| External diameter mm | Φ125 | Φ125 | Φ125 | Φ125 | |
| Bit shank | COP54 DHD350R | HD55C DHD350Q | SD5 | QL50 | |
| Hole range(mm) | Φ135-155 | Φ135-155 | Φ135-155 | Φ135-155 | |
| Connection thread | API 2 3/8"Reg | API 2 3/8"Reg | API 3 1/2"Reg | API 3 1/2"Reg | |
| API 3 1/2"Reg | API 3 1/2"Reg | ||||
| Working pressure | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | |
| Impact rate at 1.5-1.7Mpa | 25Hz | 25Hz | 25Hz | 25Hz | |
| Recommended Rotation speed | 20-35r/min | 20-35r/min | 20-35r/min | 20-35r/min | |
| Air consumption | 1.0Mpa | 9.0m3/min | 9.0m3/min | 9.0m3/min | 9.0m3/min |
| 1.8Mpa | 15.0m3/min | 15.0m3/min | 15.0m3/min | 15.0m3/min | |
| 2.4Mpa | 23.0m3/min | 23.0m3/min | 23.0m3/min | 23.0m3/min | |
| DTH hammer type | MHD65 | MSD6 | MQL6 | MHD85 | |
| Length(less bit) mm | 1248 | 1261 | 1212 | 1492 | |
| Weight(less bit) kg | 100 | 100 | 95 | 188 | |
| External diameter mm | Φ142 | Φ142 | Φ146 | Φ180 | |
| Bit shank | COP64 DHD360 | SD6 | QL60 | COP84 DHD380 | |
| Hole range(mm) | Φ155-190 | Φ155-190 | Φ155-190 | Φ195-254 | |
| Connection thread | API 3 1/2"Reg | API 3 1/2"Reg | API 3 1/2"Reg | API 4 1/2"Reg | |
| Working pressure | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | |
| Impact rate at 1.5-1.7Mpa | 23Hz | 23Hz | 23Hz | 20Hz | |
| Recommended Rotation speed | 20-30r/min | 20-30r/min | 20-30r/min | 20-30r/min | |
| Air consumption | 1.0Mpa | 10.0m3/min | 10.0m3/min | 10.0m3/min | 15.0m3/min |
| 1.8Mpa | 20.0m3/min | 20.0m3/min | 20.0m3/min | 26.0m3/min | |
| 2.4Mpa | 28.5m3/min | 28.5m3/min | 28.5m3/min | 34.0m3/min | |
| DTH hammer type | MSD8 | MQL8 | MSD10 | MHN100 | |
| Length(less bit) mm | 1463 | 1465 | 1502 | 1510 | |
| Weight(less bit) kg | 192 | 182 | 290 | 288 | |
| External diameter mm | Φ180 | Φ180 | Φ226 | Φ226 | |
| Bit shank | SD8 | QL80 | SD10 | NUMA100 | |
| Hole range(mm) | Φ195-254 | Φ195-254 | Φ254-311 | Φ254-311 | |
| Connection thread | API 4 1/2"Reg | API 4 1/2"Reg | API 4 1/2"Reg | API 6 5/8"Reg | |
| API 6 5/8"Reg | |||||
| Working pressure | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | |
| Impact rate at 1.5-1.7Mpa | 20Hz | 20Hz | 18Hz | 18Hz | |
| Recommended Rotation speed | 15-25r/min | 15-25r/min | 15-25r/min | 15-25r/min | |
| Air consumption | 1.0Mpa | 15.0m3/min | 15.0m3/min | 22.0m3/min | 22.0m3/min |
| 1.8Mpa | 26.0m3/min | 26.0m3/min | 40.0m3/min | 45.0m3/min | |
| 2.4Mpa | 34.0m3/min | 34.0m3/min | 55.0m3/min | 60.0m3/min | |
Advantages of Quarry rock stone mining drill hammer:
1. More efficient energy transfer.
2. Faster drilling speed, 15%-30% higher than others.
3. Lower air consumption and lower oil consumption. oil consumption is about 10% lower than others
4. Direct factory price.
Advantages of dth hammer spare parts :
1.Valveless air distribution. More reliable.
2.Simple design of the piston, long life.
3.Fewer internal parts, simple structure, longer life, less failure and easier to maintain because all the parts are heat treated.
4.Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.
SHIPPING & PACKAGE :
Dth hammer shipping details:
Internal package : By carton box with foam ,one pc dth hammer per carbox
External package: By wooden box, one pc dth hammer per wooden box.
Round-sealed package can prevent damaging during delivery.
Delivery ways of dth hammers:
Sample order can delivery by Air or International express, such as DHL, UPS, Fedex, ect.
Batch orders can delivery by Air , By truck or by Sea
We can choose most favorable delivery ways for our customers
Factory:
Advance equipment
Professional technicians
Strict production process
Company Introduction:
About the Company strength:
Xiamen Zhao Xing Electrical Equipment Co., Ltd. was established in 1996, with extensive experience in drilling area. We specializes in providing drilling solutions for our customers to improve efficiency and cost savings.
ZHAOXING is worth of your choice!
Exihibitions :
Unitl now, ZHAOXING have participated in much exhibitions , such as mechanical exhibitions and stone exhibitions and so on . for example : Xiamen Internation Stone Fair / Shanghai Bauma Show / Carton Fair ....
FAQ :
The information about dth drill bit you may like to know before order:
1. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union or L/C at sight
2. Handling time for an order
Based on order quantity, normally it takes 20 days for production.
in 3 working days after receiving the advance payment
3. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.
4. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
5. After Services:
a. Our sales team will response for your question within 24 hours
b. Technical Support will be available in any time
Quality is our culture !!!
If you have any interertest in them ,pls contact with me now :
Mobile number : 008613859926347