Sds plus drill bit 10mm ol 160mm wl 100mm faithfull faisds7160, these faithfull high performance, tungsten carbide tipped drill bits fit into sds plus chucks which provide a particularly secure, non slip grip, that transmits maximum power for rotary percussion drilling, mainly into concrete'. '.strtoupper('t')he sds plus bits ensure maximum power transmission due to their unique fluted shaft'. '.strtoupper('t')his effectively removes situations where a perfectly serviceable cutting edge is rendered useless by a worn shank'. '.strtoupper('t')he sds plus system also enables faster changing of drills using a quick release keyless chuck.the drill bits are suitable for use in bricks, blocks, concrete containing aggregates, marble, hard stone and other hard masonry materials.the faithfull faisds7160 sds drill has a heavy duty tungsten carbide tip with the following dimensionsdiameter 7mmworking length 100mmoverall length 160mm faithfull faisds7160 sds plus drill bit 7mm ol 160mm wl 100mm