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Getting the most out of your wet diamond core drill bit

Some tips on how to get the most out of your diamond core drill bit. From time to time we get people asking “how to sharpen the segments”, saying “its not cutting” and “its taking me so long to drill 1 hole”

We know that our diamond core drill bit are of a high quality and this should not be happening if the drilling process is performed correctly.

Some points to keep in mind:

1. Ensure you are using enough water, by using the correct amount of water it will cut the most efficiently – smooth and fast. If you have to much water it will actually not cut as well and create a huge puddle around you and not to mention you will end up with wet feet / legs. By not using enough water, you will end up with a thick slurry and in turn will ‘glaze over the segment’ to reduce the cutting process giving it that ‘blunt feel’. With practise you will work out how much water is best.

2. Depending on what you are drilling into, sometimes the core drill bit segments may get glazed up – this means the new pieces of diamonds aren’t getting exposed to aid the cutting process. There are a few ways to fix this. Firstly, if you are on a building site and can get a left over bessa block – you can drill into it. The properties of this type of block remove the glaze and give the segments a ‘recondition’ so to speak. Another option is to get your grinding disk (or a bench grinder if handy at the time)and gently grind the segments – this will bring out the new diamonds also (be careful not to grind too hard as you will wear away your segments rather quickly).

So to conclude this topic, you should be able to wear the diamond core drill segments down to the barrel until there is very little to no segment left.

Please note, that different applications will wear the segments more quickly than others and depending on the user and amount of water used will result in the lifespan of your core drill bit.