General description These 3pcs 90 Degree 5 Flute Chamfer Cutters are designed for woodworking and metalworking applications. They feature a quick-change hex shank system that allows for easy and efficient bit changes, making them ideal for creating 90-degree holes in wood and soft metals, perfect for countersinking screws and fasteners. Technical specifications Sizes: 12mm, 16mm, and 19mm Shank type: 1/4" hex quick-change Material: Carbon steel Flute design: 5 flutes Usage Cuts quickly and easily in soft metal, wood, rubber, plastic, and other machinable materials Applications include carpentry, locksmithing, automotive, and metalworking