... threaded tip.For precision drilling in soft and hard wood, large section beam, chipboard and plywood.Dia ... tip.For precision drilling in soft and hard wood, large section beam, chipboard and plywood. ... tip.For precision drilling in soft and hard wood, large section beam, chipboard and plywood. ... For drilling accurate, splinter-free holes in soft wood, hard wood, plywood and hardboard.Diameter: 3 -26mm ( ...