Dtas 127mm Universal Dry Diamond Core Drill Bit

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	Dtas Duro 127mm Dry Diamond Core Drill Bit Dtas Universal - 127 x 150mm dry drilling diamond core bit for medium hard materials. Suitable for drilling abrasive materials, such as, hand made bricks, facing bricks, concrete roof tiles, soft concrete paviors, green concrete, cement screed and other abrasive materials. Price: £38.50 (£45.24 Including VAT at 17.5%)


	Dtas Duro Plus 127mm Dry Diamond Core Drill Bit Dtas Duro Plus - The Pro-Line 127 x 150mm dry drilling diamond core bit for medium hard materials. Dual Purpose suitable for more or less anything on the construction site including with care concrete. The special shape, with air cooling holes drilled into the steel core, coupled with the use of very large diamond grit, allows the core to cross the barrier in diamond technology. Price: £61.00 (£71.68 Including VAT at 17.5%)


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Diamond Core Drilling Guide

Pilot drill the wall first with a 13mm masonary drill.
Follow through with required size core drill
Use 850 watt (min) drill fitted with clutch and variable speed.
Hammer action must never be used when drilling with diamond core drills.
Use machine between 900-1300rpm, the harder the brick and larger diameter of the core drill the lower rpm speed should be.
Make sure the chuck is tight.
Clear swarf at regular intervals, as a build up will cause the core bit to over heat, extensive clutch wear and possible loss of diamond segments.
Rotate core bit when entering and leaving a hole.
Keep machine level.
Never force the diamond bit, let it do the work, this will ensure long life and reduce the chance of breakage.
If the bit starts to vibrate, reduce pressure.