5-Piece HSS 82° Countersink Bit Set with Case – 1/4″, 3/8″, 1/2″, 5/8″, 3/4″

Closeout – 5-Piece HSS 82° Countersink Bit Set with Aluminum Case – 1/4″, 3/8″, 1/2″, 5/8″, 3/4″ Dial in clean, professional countersinks at a closeout price. 5-piece HSS countersink set (82°) delivers smooth, chatter-free chamfers and deburring across a wide range of materials—steel, aluminum, brass, plastics, and hardwoods. The M2 high-speed steel body holds sharp edges under heat, while the multi-flute geometry keeps cutting pressure steady and finish quality high. Sizes 1/4″, 3/8″, 1/2″, 5/8″, and 3/4″ cover everyday fab and assembly work—ideal for prepping holes for 82° flat-head screws, breaking edges on drilled holes, and removing burrs before coating or assembly. Each tool seats securely in a drill chuck thanks to the grippy shank, and the foam-lined aluminum case protects your set between jobs. This is a limited-quantity closeout once they’re gone, they’re gone. Key Features: 82° Cutting Angle – Standard for inch fasteners; perfect for flat-head screws and clean chamfers. High-Speed Steel (HSS) – Durable M2 HSS for long life in steel, aluminum, brass, plastics, hardwoods. Five Sizes Included – 1/4″, 3/8″, 1/2″, 5/8″, 3/4″ cover common screw diameters and chamfer tasks. Smooth, Low-Chatter Cuts – Multi-flute geometry reduces vibration and leaves a clean finish. Tri-Flat / Straight Shank – Secure grip in drill chucks; resists spinning. Pro Carry Case – Foam-fit aluminum storage case keeps sets organized and protected. Closeout Deal – Brand-new inventory, discounted to move. Limited stock. Specifications: Material: M2 High-Speed Steel (HSS) Included Angles: 82° (all five countersinks) Included Sizes: 1/4″, 3/8″, 1/2″, 5/8″, 3/4″ Shank: Tri-flat / straight shank (fits standard drill chucks) Case: Aluminum with foam insert Applications: Countersinking for 82° flat-head screws, chamfering, deburring