Helifix Dryfix Rotary Percussion Drill Bit

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Helifix DryFix Rotary Percussion Drill Bit – 5.0mm x 275mm

£19.34 incl. VAT

£19.34 excl. VAT
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Helifix DryFix Rotary Percussion Drill Bit – 6.0mm x 330mm

£23.20 incl. VAT

£23.20 excl. VAT

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What is Helifix Dryfix Rotary Percussion Drill Bit?

Helifix Rotary Percussion Drill Bits for use with a rotary percussion drill. Helifix requires the use of Rotary Percussion drill bits for drilling pilot / clearance holes wherever possible. This keeps spalling of the rear side of the outer leaf masonry, in cavity situations, to a minimum. Any spalling of the brick / block rear will reduce the effectiveness of the wall ties installed.

The rotary percussion drill is designed to provide a rotary drilling action, which may be amplified by a light ‘tapping’ action. This light percussion improves the drilling rate but is gentle and permits fragile masonry substrates such as brick, terracotta, mortar, hollow concrete block to be drilled without damage, particularly when the drill breaks through the material into a void or cavity. This kind of drill will commonly have a chuck speed up to 2500 rpm with 10-40,000 percussive ‘taps’ per minute. Not suitable for use with any Helifix Power Driver Attachments.

Helifix Dryfix Rotary Percussion Drill Bit