Long versions of CENTROTEC bits & an extension available for fastening screws in awkward spots The new CENTROTEC HSS spiral drill bit with quickchange function & hexagon shank for reliable transfer of force CENTROTEC wood drill bit with centre point & special chamfered surface suitable for drilling in panel material instead of precutting blade Other CENTROTEC special tools for example for drilling & countersinking with depth stop in one working procedure Comprehensive assortment of replacement drill bits & standard bits Total of 153 parts