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About this item:
- Diamond core drills and hole saws require the use of proper lubrication, correct drill speed and proper pressure.
- Drilling methods and techniques vary significantly depending upon the material being drilled.
- To achive optimum cutting performance and maximum core drill life use a slow to very slow drill speed, low drill pressure, and plenty of water for lubrication.
- Variable speed drills work best since the correct speed can be selected.
- Diamond core drills only drill out a portion of the resulting hole so they drill much faster than conventional blunt nose drills.
- Core drills can be used on most non-ferrous hard materials such as glass, ceramic, porcelain, fibreglass, slate, marble, granite and other natural and manufactured stone materials.
- The life of any type of diamond drill depends upon the hardness, abrasiveness and thickness of the material being drilled and the specific drilling techniques used.
- Using diamond core drills in hard materials is not difficult, however drilling the hole takes time.
- You should consider that they aren't "drilling" a hole - they are "grinding" a hole.
- SPEEDS IN RPM: Fibreglass - 1200, Glass, Ceramic and China - 800, Limestone and Marble - 600, Ceramic Tile - 600, Porcelain - 500, Granite and Comp. Stone - 400.
- DO NOT USE HAMMER ACTION.
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Firstly the delivery was fast and the transaction simple. Thanks. The Bosch is well built, has the power to tackle some thick growth and you can get a second battery 8amp by redemption free. Happy I selected the bundle and the dealership.
Great company, great support, great product.
As with all of the rosewood marbles tools, great quality. Now I just need to stop the students from damaging them.
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Good price easy transaction and good delivery
Bought as a present. Easy transaction, good delivery.
So far 5 stars. Easy to assemble and the mobility kit is great must have! Easy to adjust and use but time will tell.
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Wonderful fast shipping and delivery. Awesome business.
Took was exactly what I needed to complete my project. Great quality. Left a beautiful smooth hole.
Exactly what’s required to convert my lathe headstock to fit an old but reliable chuck.
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Item in excellent condition, good price, speedy delivery.
Arrived well packaged and works great, good doing business with yourselves
Due to a lack of support for Jet bandsaws in my country, finding a replacement tire for mt 18” saw was difficult!! I nearly got scammed by some mob in Europe until I found Beyond Tools. This tire is perfect and won’t be supplied by the manufacturer out of America so for me this has been the best solution
