Replacement drill bit for the best drilling results. Replacement drill bit for CENTROTEC countersink drill bits with depth stop. Fast installation and securing via a grub screw on the drill countersink. Drilling and countersinking in a single pass in various materials such as wood, aluminium, acrylic, mineral material. Furniture manufacture. Kitchen fitting. Assembly work. for drill countersink BSTA HS D 5 CE (item no. 496451)