Multiple-use wood drill bit for experienced professionals and DIY enthusiasts

摘要

Wood drill bit. The invention relates to the tip, in various versions: triangular, quadrilateral 2 or with a drive screw. It comprises a part of accurate diameter (tapered body) 5 to prevent heating; - 2 resharpenable cutters 1; - a long body 3 allowing resharpening; - a cutting angle 4 making it sure to give chips in hard wood, soft wood; - the deep-hole shank 6 with a clamping flat for fitting onto an extension 6. IMAGE