Professional drill bit designed for carpentry and joinery work using a table or hand drill It allows you to cut holesoin wood and wood-based materials, as well as to remove knotsoin and other defectsoin and mask them with plugs Useful, for example, when making grooves for hingeoboxes. • made of hardened carbon steel with HRC 45-48, polished surface• drilling of holesos of different diameters with preservation of ros edges• flexhole length: 110 mm• knotlength: 90 mm
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