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Categories | DTH Drill Bits |
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Brand Name: | MIROC |
Model Number: | Symmetric casing system with reamer |
Certification: | ISO |
Place of Origin: | CHINA |
MOQ: | 1 |
Price: | Negotiation |
Supply Ability: | 5000 pcs per month |
Delivery Time: | 15-20 days |
Packaging Details: | Standard export packing |
Material: | Carbon Steel |
Application: | Water well drilling, Geothermal well drilling |
Buttons: | Spherical, Ballistic |
Face Type: | Flat, Concave, Covex |
Product Name: | Symmetric Overburden Drilling Equipment |
Advantage: | High wear resistant cemented carbide |
Processig type: | forging |
Packing: | Wooden cace or as requrements |
Company Info. |
KSQ Technologies (Beijing) Co. Ltd |
Verified Supplier |
View Contact Details |
Product List |
Symmetric Casing System with reamer Symmetric Bit for Overburden Drilling
The Symmetric Casing Drilling system consists of three parts: central pilot bit, casing shoe and symmetrical ring bit. The central pilot bit drills away the center part of the hole and guides the drill string, incorporated with a sacrificable symetrical ring bit make a full face drill bit.
Advantages of Symmetric Drilling
Specification
Casing OD (mm) | Casing wall max (mm) | Ring bit ID (mm) | Ring Bit OD (mm) | Pilot Bit OD (mm) | Hammer |
114.3 | 6/10 | 91/78 | 128/124 | 100/92.5 | ND35 |
126.7 | 7 | 99 | 140 | 110 | ND35 |
139.7 | 7/10 | 116/94 | 154/150 | 124/117.5 | ND45/NOL4 |
168.3 | 8/12.7 | 142/121 | 182/178 | 150/140 | ND55/NQL5 |
178.3 | 10 | 145 | 195 | 156 | ND55/NQL5 |
193.7 | 6/12.7 | 167/148 | 212/203 | 180/167 | ND65/NQL6 |
219.1 | 7/12.7 | 186/167 | 234 | 203/191 | ND65/NQL6 |
273 | 8/12.7 | 232/219 | 292 | 255/246 | ND85/NQL8 |
323.9 | 8/12.7 | 281/270 | 342/342 | 306/297 | ND85/NQL8 |
406.4 | 12.7 | 328 | 419 | 374 | NSD10/N125 |
508 | 15 | 412 | 526 | 470 | ND475/SD15 |
609.6 | 15 | 513 | 637 | 570 | ND525/SD18 |
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