Wednesday, October 10, 2012

MDU Core Drill NTGRA SH QC with 200 mm drill bit

MDU Core Drill NTGRA SH QC with 200 mm drill bit Tube. Duration : 2.67 Mins.


Here, the SH-spindle is demonstrated on the MDU Core Drill - NTGRA with a 200 mm Highspeed Gold drill bit from Hydro-Tec and a peripheral spindle speed of 15 meters/second! The SH-spindle gives the highest spindle speed of the three available, easily interchangeable spindle units. Martin used top speed, which means that the drill bit had a peripheral speed of about 15 m/second. With the right drill bit, peripheral speeds like this, and higher, is in our opinion the best way to drill more efficiently through both concrete and iron. The high speed lets the diamonds do their work more often and the drill bit can be fed easily through the concrete without putting a lot of pressure on it at all. Especially when hitting rebar, it is important not to push but to be feed the drill bit very lightly through the iron. The 15 year celebration of Hydro-Tec GmbH in Germany was well visited by German, Italian and Swiss contractors. Many were interested in the Pentruder MDU Core Drill - NTGRA and amazed at the high cutting speeds!

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