1.Specific heat treatment standards
2.Premium hardened steel alloy
3.High-grade cemented tungsten carbide buttons.
Certification: GB/T 19001-2008/ISO 9001: 2008
Concentric (or Symmetric or Symmetrix) Overburden Casing Drilling System With Ring Bits Permanent
1. Introduction and Description:
What is Concentric (or Symmetric or Symmetrix) Overburden Casing Drilling System With Ring Bits Permanent?
Description:
| Product Name: |
Concentric (or Symmetric or Symmetrix) Overburden Casing Drilling System With Ring Bits --- Permanent |
| Type |
Concentric casing system |
| Design Principles |
Make the casing follow easy and the equipment and operation simple |
| Material: |
carbide |
| MOQ: |
5pcs |
| Application |
It is recommended to drill in rock formation where contains some ovals and fractures. |
| Advantages - Outstanding |
1) The stable and reliable working performance and the less vibration of drill rig.
2) Flexible to open and close. |
| Certificate |
ISO9001 and SONCAP |
2. Technical Specification
| A |
B |
C |
D |
E |
F |
G |
| Outer Dia. of Casing Tube |
Inner Dia. of Casing Tube |
Reamed Dia. |
Min.Inner Dia.of Casing Shoe |
Hammer Type |
Drill Pipes |
Max. Outer Dia. of Normal Bit |
| mm |
inch |
mm |
| 108 |
93-99 |
118 |
86 |
3.5" |
76 |
77 |
| 114 |
101-103 |
127 |
91 |
76 |
82 |
| 127 |
114-116 |
136 |
101 |
76 |
92 |
| 140 |
124-127 |
152 |
117 |
4" |
76 |
105 |
| 146 |
127-132 |
154 |
117 |
76 |
105 |
| 168 |
149-155 |
184 |
140 |
5" |
76, 89 |
125 |
| 178 |
159-165 |
194 |
150 |
76, 89 |
140 |
| 193 |
173-180 |
206 |
164 |
6" |
89, 114 |
150 |
| 219 |
199-206 |
234 |
184 |
6" or 8" |
89, 114 |
165 |
| 244 |
224-231 |
260 |
210 |
8" or 10" |
114 |
190 |
| 273 |
251-257 |
305 |
240 |
114, 127 |
220 |
| 323 |
301-310 |
348 |
284 |
127 |
255 |
| 406 |
382-388 |
440 |
364 |
10" or 12" |
140 |
340 |
| 457 |
433-439 |
488 |
413 |
12" |
140 |
385 |
| 508 |
484-490 |
538 |
464 |
440 |
| 558 |
534-540 |
590 |
514 |
16" |
140 |
485 |
| 610 |
586-592 |
642 |
566 |
18" |
168 |
540 |
3. How to order:
Ring Bit + Pilot Bit = Assembly or
Ring Bit + Pilot Bit + Casing Shoe = Assembly.
You can also buy separately: Ring Bit or Pilot Bit or Casing Shoe.
2. Other rock drill: besides, we also supply following rock drilling tools:
Concentric (or Symmetric or Symmetrix) Overburden Casing System:
with ring bits, with wings and with slide blocks.
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Ps.: Others about Prodrill Equipment Co., Ltd
1. Prodrill Main Products as below:
1) Rock drill:
Handheld rock Drill (Jackhammer): Y10, Y18, Y20, Y24, Y26, TY24C, etc;
Airleg rock drill: YT24, YT28, etc;
Gasoline rock drill: YN27
2) Drill rod: Taper rod (hex. 22 * 108mm)
3) Drill bit: Taper button bit, Taper chisel bit, Taper cross bit; Thread button bit (Top hammer); DTH Hammer and DTH bit; Overburden Drilling System
4) Splitter: Handheld stone splitter (or shims and wedges or plug and feather), G10 pneumatic splitter; Hydraulic Splitter
5) Breaker: Hydraulic Breaker, Pneumatic Breaker G10, TPB, etc;
6) Splitting or Cracking Powder for Construction/ Quarry/ Rock: Expansive mortar Soundless Cracking Agent; High Range Soundless Cracking Agent
2. Advantages:
Compared the Rock Drilling Tools with the oversea brands, our advantages are bellowing:
a. Our products can match over 95% against the original products
b. Price are competitive against the famous brands and best quality against the small factory
3. About Us:
1. Our factory has been specialized in manufacturing drilling tools and spare parts for over 18 years.
2. We have advanced technology and equipment.
3. Our technician has more than 18 year's professional working experience.
4. Rock drilling tools are exported throughout the world. Main market: Norway, Turkey, USA, Canada, Australia, Brazil, Uruguay, Iran, Philippines, Thailand, India, etc.
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