General description Plug Cutter, Plug Drill Bits 1/2'' - 30mm are versatile tools designed for making tenons on both round and square stock. These plug drill bits are ideal for creating dowels up to 3 inches long, making them suitable for furniture making, finish carpentry, and various home shop projects. Technical specifications Material: Hardened High Carbon Steel Drill Hole Diameter: 8-40mm Length: 140mm / 5-1/2 inches Max. Plug Length: 70mm / 3 inches Shank Size: 1/2 inch Usage Designed for making plugs in both soft and hard wood. Precisely ground inner and outer cutting edges ensure efficient cutting through the hardest wood while maintaining a sharp edge. Other information The shear angle design makes these the easiest cutting tools on the market. The open body design allows for easy plug clearance. Compatible with drill presses, lathes, and horizontal drills. Package Includes: 1 Piece Plug Drill Bits.