RUKO HSS 90º conical countersink long cylindrical handle Ø max. 12.4mm

The Ruko-102274 is a high-precision tapered countersink, designed according to DIN 335, with a 90° countersinking angle and a long cylindrical shank. This tool is ideal for countersinking a wide variety of materials, including non-ferrous metals, steel, thermoplastics, and hard plastics, as well as sheet metal up to 4 mm thick. Its innovative design includes a DIN 1412 C split point cutting edge, providing a 118° cutting angle and a 20/30° taper angle, enabling efficient and precise right-hand cutting.

CBN grinding and the chip flute structure ensure optimal cutting, minimizing noise, vibration, and burr formation, resulting in a superior finish every time.

• Cutting point with split point DIN 1412 C
• Cutting angle: 118º
• Cone angle: 20/30º
• Right-hand cutting
• CBN ground for quiet, vibration-free cutting
• Optimized chip ejection channel design
• Suitable for non-ferrous metals, steel, and hard plastics
• Metal cutting capacity up to 4 mm thick
• Translucent plastic case with hanger included
• Long cylindrical handle with 3 cutting edges