This 1/2" diameter industrial duty countersink will last four times longer than high-speed steel models. The super-hard bonded titanium-nitride surface cuts smoother and faster with less pressure than conventional countersinks. For use in any machinable material: steel, iron, soft metals, plastic, and especially wood. 1/4" shank; 5-flutes with 82º included angle.

Features:
• 1/2" diameter countersink
• Super hard bonded titanium-nitride coating
• Cuts smoother and faster with less pressure
• Use for steel, iron, soft metals, plastic, wood, and more
• Lasts four times longer than HSS models