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RUBI DRYGRES PREMIUM MINI KIT Set of diamond crowns (Ref. 51939)

Set of high quality diamond crowns RUBI DRYGRES PREMIUM with diameter 6, 8, 10 and 12 mm at a discounted price. Designed for dry drilling in hard tiles. Clamping: M14; Drill adapter and carrying case included. Ref: 51939

Original price was: 90,84 €.Current price is: 86,30 €. (69,04  without VAT)

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Description

The RUBI DRYGRES PREMIUM diamond drill bits are designed for drilling holes in hard ceramic tiles, they are also suitable for drilling holes in natural stone (e.g. granite, marble). They are designed for dry drilling with an angle grinder or with a drill using the included adapter. Thanks to the vacuum welding in production and the use of high-quality materials with high diamond density, their advantages are high drilling speed and extra long service life.

There is a cavity in the centre of the crown which is filled with wax. During drilling, the wax begins to melt due to the rising temperature and thus ensures lubrication and cooling of the drill bit. When the wax runs out, it is recommended to replenish it – simply by using a candle. Adequate pressure must be applied to the crown when drilling, as excessive pressure can overheat the crown and destroy it.

Technical parameters:

Diameters: 6, 8, 10, 12 mm
Drilling depth: 30 mm
Use: angle grinder
Max. speed: 14 000 rpm.
Mounting: M14
Drilling: dry drilling
Cooling: by wax
Adapter for attachment to the drill in the package
Supplied in plastic case

Improvements of the DRYGRES PREMIUM series compared to the DRYGRES series:

faster drilling
more than 2 times longer service life
improved cooling with side vents (Ø 20-85 mm)
Crown with interrupted segments (Ø 43-85 mm)

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