Universal drive machine for dry or wet drilling .
Versatile and efficient, drilling in steel-reinforced concrete, masonry and other materials.
For pipeline and cable ducting, ventilation channels, test core drilling.
Adjustable drilling, suitable in use of special required situations
Detailed information for the core drill:
Diamond drill bits
Specifications
1.Work with core drills
2.All are laser welding, can be used without water ,high frequency also available .
3.Different sizes avaliable
1)high frequency, silver welding for wet drilling
2)Laser welded, silver welding for wet or dry drilling
All high diamond drill bits are laser welded for superior strength 3 times stronger than conventional brased bits.
Suitable for dry & wet drilling.
Different sizes avaliable (diameter:32mm-350mm)
Standard length: 400mm, other length also avaliable upon requirements
Standard connecting threads: 1 1/4"-7UNC, (M33 ,M22 also avaliable)
Different color avaliable (minimum quantity 20 pcs to start)
Selection chart of core drill machine :
| Model | Motor (W) | Speed (RPM) | Capacity (mm) |
| ZIZ 250PRO | 4080W | 360/720rpm | 250mm |
| ZIZ 130 | 1350W | 2300rpm | 130mm |
| ZIZ 200 | 3000W | 360/720rpm | 200mm |
| ZIZI 250 | 3500W | 360/720rpm | 250mm |
| ZIZI 250A | 3500W | 360/720rpm | 250mm |
| ZIZ 350 | 3500W | 600rpm | 350mm |
| Cat no. | Model no. | Description | Weight |
| ZIZ 250pro | Engineering drill,220V,50HZ ,110V,60HZ | 35kg |
| ZIZ 130 | Engineering drill,220V,50HZ ,110V,60HZ | 12kg |
| ZIZ 200 | Engineering drill,220V,50HZ ,110V,60HZ | 25kg |
| ZIZ 250 | Engineering drill,220V,50HZ ,110V,60HZ | 25kg |
| ZIZ 250A | Engineering drill,220V,50HZ ,110V,60HZ | 38kg |
| ZIZ 350 | Engineering drill,220V,50HZ ,110V,60HZ | 28kg |
Selection chart of drill bits :
1.Laser welded for wet drilling and dry drilling
| Diameter | Length | threads |
| 32mm | 400mm | 1 1/4"-7UNC |
| 38mm | 400mm | 1 1/4"-7UNC |
| 51mm | 400mm | 1 1/4"-7UNC |
| 63mm | 400mm | 1 1/4"-7UNC |
| 76mm | 400mm | 1 1/4"-7UNC |
| 83mm | 400mm | 1 1/4"-7UNC |
| 89mm | 400mm | 1 1/4"-7UNC |
| 102mm | 400mm | 1 1/4"-7UNC |
| 108mm | 400mm | 1 1/4"-7UNC |
| 114mm | 400mm | 1 1/4"-7UNC |
| 127mm | 400mm | 1 1/4"-7UNC |
| 132mm | 400mm | 1 1/4"-7UNC |
| 150mm | 400mm | 1 1/4"-7UNC |
| 159mm | 400mm | 1 1/4"-7UNC |
| 168mm | 400mm | 1 1/4"-7UNC |
| 180mm | 400mm | 1 1/4"-7UNC |
| 200mm | 400mm | 1 1/4"-7UNC |
| 219mm | 400mm | 1 1/4"-7UNC |
| 250mm | 400mm | 1 1/4"-7UNC |
| 299mm | 400mm | 1 1/4"-7UNC |
| 350mm | 400mm | 1 1/4"-7UNC |
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high frequency, silver welding for wet drilling |
| Diameter | Length | threads |
| 25mm | 400mm | 1 1/4"-7UNC |
| 27mm | 400mm | 1 1/4"-7UNC |
| 32mm | 400mm | 1 1/4"-7UNC |
| 38mm | 400mm | 1 1/4"-7UNC |
| 40mm | 400mm | 1 1/4"-7UNC |
| 44mm | 400mm | 1 1/4"-7UNC |
| 51mm | 400mm | 1 1/4"-7UNC |
| 57mm | 400mm | 1 1/4"-7UNC |
| 63mm | 400mm | 1 1/4"-7UNC |
| 71mm | 400mm | 1 1/4"-7UNC |
| 76mm | 400mm | 1 1/4"-7UNC |
| 83mm | 400mm | 1 1/4"-7UNC |
| 89mm | 400mm | 1 1/4"-7UNC |
| 102mm | 400mm | 1 1/4"-7UNC |
| 108mm | 400mm | 1 1/4"-7UNC |
| 114mm | 400mm | 1 1/4"-7UNC |
| 120mm | 400mm | 1 1/4"-7UNC |
| 127mm | 400mm | 1 1/4"-7UNC |
| 132mm | 400mm | 1 1/4"-7UNC |
| 150mm | 400mm | 1 1/4"-7UNC |
| 159mm | 400mm | 1 1/4"-7UNC |
| 168mm | 400mm | 1 1/4"-7UNC |
| 180mm | 400mm | 1 1/4"-7UNC |
| 200mm | 400mm | 1 1/4"-7UNC |
| 220mm | 400mm | 1 1/4"-7UNC |
| 245mm | 400mm | 1 1/4"-7UNC |
| 300mm | 400mm | 1 1/4"-7UNC |
Our company has been in business since 1986. We have grown to become one of leading manufacturing companies in China with many customers around the globe.
Our BSQT consists of HONGLI and HUAXING. They share clear labor work in our research and manufacture. We have our own brand HUWANG in China.
For more than 20 years of efforts and strive, our HUWANG brand is really famous in our home China. Today, we are committed to helping our customers succeed and building long-term value in the global market.
We HONGLI, have a lot of trading companies selling goods for us. Right now, we are spreading our business products, producing lines and QC teams. We also want to be rank top in the whole world.
Last year, we set up our own trading company GUANBA. We HONGLI, HUAXING working together with GUANBA to promote Chinese Made Pipe Machinery to the globe.
We HONGLI, aims to make the same quality products with famous brands RIDGID, ROTHENBERGER, REX, ASADA and so on. And we also do OEM spares or tool parts for the users of the above brands.
We, HONGLI, aims to show you our best quality, best service and of course best prices!
You can surely trust us!
