Our range of Alpen SDS-plus masonry hammer drill bits all feature the new F4, patented 4X stepped profile and tip.
Low wear properties coupled with very long service life make these an ideal contractors or professionals SDS-plus drill bit.
A high efficiency drill for heavy duty drilling into concrete, reinforced concrete, natural stone and brickwork.
Designed to fit all current 2 or 3 action SDS-plus machines, either mains/site powered or cordless powered.
The overall length of this 5.5mm SDS-plus masonry drill bit is 450mm long and has an effective working length of 400mm.
With SDS-plus drill bits of 450mm o/a length, it is advisable to always pre-drill the hole using a 160mm o/a length bit first. This will then eliminate any excess whip that long drill bits have, thus avoiding drill bit breakage.
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