... ") - 400mm (16")Flat Wood Bit / Wood Boring Bit-B Forged in one piece from High carbon steel. Hardness of cutting point ... black groove, edge polished.For drilling accurate, splinter-free holes in soft wood, hardwood, plywood and hardboard.Professional type, long ... on hard surface.Application: for drilling accurate, splinter-free holes in soft and hard woods, drywall, plywood, tiles, abrasive materials, ...