Whiteside DH2070 Right Hand Hinge Boring Bit, 10mm SH x 20mm CD is a production-quality Forstner style boring bit designed for precision and durability. It features a centering point and two straight carbide cutters that create ly flat and smooth bottomed holes, ensuring professional results every time. Additionally, it has two carbide spurs to eliminate tear-out, making it i for clean and accurate cuts. This 20mm diameter bit is commonly used for installing European style cup hinges on cabinet doors. The shank includes a flat side for secure installation, providing stability during use. Please note, this bit is intended for use in a boring machine with right-handed rotation only and is not suitable for drill presses or routers. Manufactured by Whiteside Machine Company in Claremont, North Carolina, this tool combines quality craftsmanship with reliable performance. Model Number: DH20-70