Certification: | ISO 9001:2000, SGS |
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Standard: | GB |
Surface Treatment: | Spray-Paint |
Manufacturing Process: | Forging |
Material: | Carbon Steel |
Hole Dia.: | 155mm |
Samples: |
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Customization: |
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About us:Kingdrilling Co.,LTD ,located in Wuhan,is one of the most professional enterprise specialized in producing Casing Drilling System,DTH Hammer,DTH Bits,Thread Bits and so on.Whaterver in construction,mining,oil,natural gas,quarry or horizontal drilling industry Kingdrilling always do their best to meet your demand.
Down the hole (DTH) tools manufacturer KINGDRILLING Head Eccentric Casing drilling system is made up of a pair of chain embedded to guide apparatus, and ensure the bit is not contacting and damaging the retaining ring when it is rotating. When rotated clockwise, eccentric part will be expanded to bring the casing tube into hole. After completing, eccentric bit will be closed while rotated anticlockwise, and it can be lifted up by the drilling machine. This type is especially suitable for 114-273mm in diameter.
Model |
Hole dia(mm) |
Weight (KG) |
Closed dia.(mm) |
Pilot dia.(mm) |
Length(mm) |
Case dia.(OD*ID) |
Spline |
MK-MEC90 |
125 |
16 |
90 |
100 |
360 |
114*102 |
MACH33,DHD3.5 |
MK-MEC115 |
155 |
30 |
115 |
125 |
510 |
139*127 |
DHD340,SD4.QL4 |
MK-MEC140 |
188 |
52 |
140 |
151 |
570 |
168*153 |
DHD350,SD5,QL5 |
MK-MEC165 |
215 |
95 |
166 |
178 |
690 |
194*181 |
DHD360,SD6,QL6 |
MK-MEC190 |
238 |
108 |
190 |
203 |
690 |
219*206 |
DHD360,SD6,QL6 |
MK-MEC215 |
276 |
140 |
215 |
236 |
720 |
254*240 |
DHD380,SD8,QL8 |
MK-MEC235 |
293 |
160 |
236 |
251 |
730 |
273*254 |
DHD380,SD8,QL8 |
MK-MEC240 |
293 |
168 |
241 |
256 |
730 |
273*260 |
DHD380,SD8,QL8 |
How to choose the suitable head face of the DTH drill bit?
1. How to order the products?
A: Please send the inquiry with detail item description or with Model number.
2. Can I expect a quality products?
A: Yes. mature production technology ensuring the quality satisfy international request.
3. How to check the product are the exact one you want?
A: If possible, please attach one reference picture to avoid any misunderstanding or any links from ourwebsite for a better understanding.
4. How to make sure the quality?
A: More than 40 Years engineer to make sure the quality, 100% inspection.
5. What is the general delivery time?
A: 15 working days for DTH bits.
20-25 working days for DTH hammer
3-5 working days for ex stock items.
6. Methods of Payment
A: T/T (Telegraphic Transfer) or Western Union.
Packed by Carton or Wooden cases.
Delivery:
Transprotation: By air, By Express or By sea / By train , according to your requests.
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