The wood snake drill is ideal for quick precision drilling for through holes, pre-drilling for rafter nails, and drilling deep dowel holes in wood. The high-performance tip with automatic feed pulls the drill completely through, allowing for faster and easier precision drilling. Straight holes, quick chip removal, and higher speeds are made possible by the drill's groove geometry optimized for low friction with a solid center. Its pilot cutter and precision-ground main cutting edge ensure accurate drill holes. It is perfectly suited for additional sheathing, for carpenters and roofers, in soft and hardwood. The drill features a hex shank system and is compatible with all drill drivers with a 13 mm chuck. Diameter (D) mm: 28.00, Diameter (D) inches: 7/16, Working length (L1) mm: 170, Total length (L2) mm: 235, Wrench size (d) mm: 11.10, Wrench size (d) inches: 7/16.