| Customization: | Available |
|---|---|
| Type: | Center Drill Bit |
| Material: | Alloy Steel, Tungsten Carbide |
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| Basical Specification | |
| Size of bit | 8 1/2'' |
| Number of Blades | 5 |
| 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. |
| 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) |
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