| Type: | Center Drill Bit |
|---|---|
| Material: | Alloy Steel, Tungsten Carbide |
| Usage: | Well Drilling |
| Certification: | ISO |
| Model Number: | Steel Tooth Bit, TCI Bit |
| Bearing Type: | Sealed Bearing and Non-Sealed Bearing |
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier | Basical Specification | |
| Size of bit | 8 1/2'' |
| Number of Blades | 4 |
| Primary Cutter Size | 13mm |
| Nozzle Qty. | 7NZ |
| Thread Connection | 4 1/2 REG |
| Operating Parameters | |
| RPM (r/min) | 60~300 |
| WOB(KN) | 20~110 |
| Application | Medium-hard to hard formations with low compressive strength, such as hard shale, limestone, sand-stone, dolomite, hard gypsum, marble, etc. |
Bit type |
Main bit size(mm) |
Rock coefficient |
|
PDC core drill bit |
Single pipe |
75/54.5 94/74 113/89 113/109 153/129 |
1-18 |
Two-pipes |
75/54.5 94/68 |
||
PDC center drill bit |
Concave 3 wing bit |
60 75 94 113 133 |
1-18 |
Arc pillar |
60 75 94 113 133 |
4-18 |
|
Many wing scraper |
60 75 94 113 133 133 153 173 190 215 |
1-6 |
|
PDC Indexable drill bit |
153/94 153/113 190/153 190/113 |
1-18 |
|
| Company Information |
| Hejian Hengji Bit Manufacture Co.,LTD is specialized in manufacturing high quality rock bit,especially for tricone bit,PDC bit,hole opener,single cone bit and drag bit.with advanced CNC machines and R&D team and on-time delivery. We have kept our clients ahead of schedule and under budget by providing the highest quality tools at the best possible prices . We ship to more than 40 different countries and serve industries such as Oil & Gas, water well , Construction,Mining, Horizontal Directional Drilling (HDD), Geothermal and Environmental. Our experienced staff is here to assist you with everything from choosing the right bit to shipping around the globe. Our goal is to provide our customers with the best quality tools, accessories and service in the industry. We are supported by many years of experience, trained professionals and a full machine shop. Reduce the cost ,Speed the drilling ,Guarantee the safety is always our aim. We have been always insist on"Hengji bit,focusing on quality". |
| Main products tricone bit(mill tooth and tungsten carbide insert tricone bit) PDC bit(matrix body and steel body PDC bit) hole opener(HDD rock reamer,barrel reamer,etc) drag bit(step drag bit,PDC drag bit,chevron drag bit,etc) accessories(single cone,bit breaker,nozzle ,etc) |
Contact us 24 Hour Service Line: |
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