Woodworking drill set with softwood cutters and adjustable depth stops for all common hole sizes. Pre-drilling and milling in one pass for all hole sizes: 3.0, 3.5, 4.0, 4.5, 5.0, 5.5 and 6.0 mm. Cutters allow you to close the face screws or slide them in order to close them with a touch. For adjusting the depth stop and the cutter, the kit includes a matching Allen key. The countersunk drills are made of high-quality C45 steel with a long spiral, also for short chipping woods such as hardwood such as for example Bankirai in terrace construction. Note: Please note that in hard materials, the bit wear is higher. Set of 8 countersunk head drills - Most common dimensions in a set: 3.0, 3.5, 4.0, 4.5, 5.0, 5.5 and 6.0 mm, made of C45 steel, 4-flute drill with bur fitted, bur adjustable in depth, with stop depth, to simultaneously drill and drive holes in soft wood, allows for flush screwing of the screw, with round shank, Allen key hexagonal screwing, delivered in a blister bag.