The advantage of this series of bits is that it can be manufactured as customer `s special piling.
This series of bits are suitable for different complexe formation, shales, limestone, cobblestone, dolomite, chertetc.
Bigger diameter for piling is construction field, bridge construction, super highway construction, railway construction etc.
The advantage of this series of bits is that it can be manufactured as customer `s special piling.
This series of bits are suitable for different complexe formation, shales, limestone, cobblestone, dolomite, chertetc.
Bigger diameter for piling is construction field, bridge construction, super highway construction, railway construction etc.
the advantage:
Number of Cutters - The number of cutters placed on a hole opener is governed by the following facts:
1)Maximum number which will fit around the perimeter.
2)The greater the number of cutters, the less the weight, which therefore reduces the penetration rate.
3)In softer formations, less weight is needed to penetrate.
4)The greater the number of cutters, the smoother the tool will run.
5)The greater the number of cutters, the greater the cost.
6)The greater the number of cutters, the longer the cutters will last
| size |
| in |
mm |
| 28 |
711.2 |
| 30 |
762.0 |
| 32 |
812.8 |
| 36 |
914.4 |
1. How to order the products?
Answer:
Send the inquiry with detail item description or with Model number.
If there is no packing demand we take it as sea-way packing.
If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding.
2. About lead time and shipping time?
Answer :
The lead time depend on quantity of order. Usually shipped by sea, small order or urgent order we can send you by air after received your agreement.
According the distance from china to your port, usually from China to European about 25 days. To West of American 20 days.
3.Can I expect a quality products?
Answer :
Yes. All our activities are accredited to ISO 9001:2008 , both in products and services, at the same time, mature production technology ensuring the quality satisfy international request.
Audited Supplier 
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