| Customization: | Available |
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| Standard: | RoHS |
| Length: | 1500mm--9000mm |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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--- Q Series Wire line core is mainly used for deep hole coring
Main specifications:AQ,BQ,NQ,HQ,PQ
Bottom spray type:NQ3,HQ3,PQ3,SQ3
Any size can be customized according to customer's requirement
| Commonly used specifications | |
| Q Series rope coring | NQ,NQ3,HQ,HQ3,PQ,PQ3 |
| T2 Series double tube | T2-66,T2-76 |
| T6 Series double tube | T6-76,T6-101 |
| DCDMA-Casing shoe | NW,HW |
| B series of single pipe | B-76 |
| MLC Double pipe series | NMLC,HMLC |
| TW Thin-walled rope coring | BTW,NTW |
Developed by our company is mainly engaged in an impregnated diamond bit for more than 20 years, formula design of rock bit drilling technology structure technology has a deep understanding of the product application areas including engineering survey and geological prospecting concrete core pulling test pile-soil survey.
-PRODUCT SPECIFICATION -
| ---B series B series Single pipe bit and reaming shell,It is often used in cases where the core preservation requirements are not high and for concrete core extraction. Main specifications:36,46,56,66,76,86,101,116,131 |
| ---Z series Z series Single pipe bit and reaming shell,Thicker and more impact resistant than B Series. Main specifications: 46,56,66,76,86,101,116,131,146 |
| ---WG series WG series Single pipe bit and reaming shell. Main specifications:EWG,AWG,BWG,NWG,HWG |
| ---WT series WT series Single pipe bit and reaming shell. Main specifications:BWT,NWT,HWT |
| --- China Standard Main specifications:47,56,59,75,91,110,130,150,170,225,275 |
| ---T2 series T2 series is thin-wall Double pipe drilling tool,Used for surface drilling, especially for prospecting.Because of their thin walls, these tools provide fast drilling speed. Main specifications::36,46,56,66,76,86,101 |
| ---T6 series The T6 Series Double pipe Drilling Tool is an extension of the T2series,With a more reliable design.Larger diameters can be used for surface prospecting and geological engineering investigations. Main specifications:76,86,101,116,131,146 |
| ---TT series TT Series is an ultra-thin-wall Double pipe drilling tool with a very thin cutting surface that enables very fast drilling in hard formations.Suitable for use in underground drilling. Main specifications:46,56 |
| ---LTK 48 & LTK 60 series LTK Series is a drill string with thinner walls than T2 Series,It is specially designed for obtaining the best footage and core-rate in medium to super hard rock, with good economic benefit and high productivity.Main specifications:48,60 |
| ---WF series The WF Series Double Pipe Drilling Tool is widely used in engineering investigations and was originally designed for core-taking with a bottom jet bit in soft formations.They are simpler and more durable than thin-wall tools, but they drill more slowly.Main specifications:HWF,PWF,ZWF,UWF,ZWF |
| ---WG series Main specifications:EWG,AWG,BWG,NWG,HWG |
| ---WM series Main specifications:EWM,AWM,BWM,NWM |
| ---WT series Main specifications:RWT,EWT,AWT,BWT,NWT,HWT |
| --- MLC Bottom-spraying series Main specifications:NMLC,HMLC |
| ---China Standard Main specifications:36,47,56,59,75,91,110 |
| --- Q Series Wire line core is mainly used for deep hole coring. Main specifications:AQ,BQ,NQ,HQ,PQ Bottom spray type:NQ3,HQ3,PQ3,SQ3 |
| --- TW Thin-Wall Series is used for shallow hole drilling, especially for geological prospecting.The thin wall provides fast drilling speed and is suitable for portable drills. Main specifications:BTW, NTW |
| ---China Standard Main specifications:59,75,91(95) |
| ---W series Casing shoe drill bit,Casing shoe Main specifications:RW,EW,AW,BW,NW,HW,PW,ZW,UW,ZW |
| ---X series Casing shoe drill bit,Casing shoe Main specifications:RX,EX,AX,BX,NX,HX,PX,ZX,UX,ZX |
| --- The metric system series Casing shoe drill bit,Casing shoe Main specifications:46,56,66,76,86,101,116,131,146 |
| ---Q series Drill rod shoe Main specifications: NQ,HQ,PQ |
| ---TW series thin-wall Drill rod shoe Main specifications:NTW |
| ---China Standard Casing shoe Main specifications:91,110,130,150,170 |
| Rock grouping and recommended use of the bit table | ||||
| Grade | name | Represents | Drilling speed | Suggested drill bit |
| 1 | Loose soil | redeposited loess,lateritite,Soft sandy soil free of gravel and breccia,diatomite | 15/H | Pineapple bit,slice,plain film,Scraper coreless bit |
| 2 | Loose soil | loess,red clay,cumulosol,Sand soil,Kaolin class | 8/H | Pineapple bit,denticle,slice,Triangle,Bread |
| 3 | Soft rock | Strongly weathered shale,Slate,schist,Slightly cemented sand layer | 6/H | Scraper coreless bit,Concave three wings,slice,Breadslice |
| 4 | A little soft rock | Slate,arenaceous shale,carbonaceous shale,argillaceous marl,calcareous shale | 5/H | scraper,Recessed coreless bit,slice,Bread,Breadslice,Triangle,Electroplated diamond |
| 5 | A little hard rock | Rubble and gravel layer collapse layer,Slate,limestone,Marble,schist | 3/H | Concave three wings,Bread,A helmet piece,Electroplated diamond |
| 6-7 | Medium hardness | Slate,schist,Silicified limestone,Calcite | 2/H | Bread,A helmet piece,Electroplated diamond,Hot pressed diamond,Innovative no.7 fast bit |
| 6-7 | Medium hardness | Slate,schist,Silicified limestone,Calcite | 2/H | Bread,A helmet piece,Electroplated diamond,Hot pressed diamond,Innovative no.7 fast bit |
| 8-9 | Hard layer | Basalt,Quartz anshan porphyry,Fai green rock | 1.2/H | A helmet piece,Low-alcohol electroplating,Low thermal,Innovative no.7 fast bit |
| 10-11 | Super Hard rock | Granite,granodiorite,gneiss,rhyolite,aposandstone | 0.8/H | Low-alcohol electroplating,Low thermal,Innovative no.7 fast bit |
| 12 | Super Hard rock | aposandstone,jasperite,hornberg,corundolite | 0.3/H | Low-alcohol electroplating,Low thermal,Innovative no.7 fast bit |
-Production process-
| 1. Steel blanking |
| 2. Car inner and outer round thread |
| 3. Milled nozzle insert alloy groove |
| 4. Welding alloys |
| 5. Welded diamond compacts |
| 6. Sanding the appearance |
| 7. paint |
| 8. Packed and shipped |
-APPLICATION RANGE-
Apply to:Water Well Drilling/civil engineering and infrastructure/for rock core drilling/geological coring exploration/Soil Testing and sampling /geophysical survey/mineral exploration and other industries.
-WHY CHOSE US-
pearldrill is a leader in the manufacture and development of PDC bits in China. We provide the best quality PDC coring drill to the market, all types of PDC non-coring drill traces. Our drill bits are used for well drilling, mining and construction contractors. Our drill bit has been tested and verified by time, with wear resistance and fast drilling speed. Different drill bits can be customized according to different rock formations. The engineering time is greatly shortened, and the maximum performance is exerted in the operation during drilling. Our products are durable and reliable. Our products are the preferred drill bits for drilling engineers in many countries because of our precise design and efficient drilling during use.
-PAYMENT-
DIY customization: please provide your rock formation information or detailed size drawings.
Free samples: some samples can be provided free of charge.
Trading:EXW, FOB, CFR, CIF, DDU such as.
Payment:T/T L/C,D/A,D/P,Western Union,MoneyGram.
Delivery time: normally 7-12 days
Delivery: there are four main delivery channels including air, sea, express and road transportation, which can be selected according to customers' different requirements.
Air freight logistics:DHL/UPS/EMS/TNT/ FEDEX,etc.
Dear User:
Welcome you to choose and use our products correctly!
The geological drill bit produced by our company has a 6-month warranty period.In case of abnormal scrap such as sheet falling, steel body cracking, lamination of composite sheet, etc., the company may make compensation if the situation is confirmed by the quality department of the company.
If it is one of the phenomena listed in the following table, it shall be deemed as normal scrapping, and the company shall not compensate for it:
1.Drop: Wear no more than 10%, send back for replacement, wear no more than 50%, depending on the situation, steel body cracking: wear no more than 30%, send back for replacement; Wear more than 50%, such as artificial improper crack, do not change.
2.Wrong size or thread: New back for new.
3.Weak solder joints, broken wing pieces, etc. : wear not more than 20%, send back for a new; Wear more than 50%, such as artificial improper operation, do not change.
4.The problem of lamination of composite slices: It depends.
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