RUKO HSS Stepped Drill Bit Ø 4.0-12.0 mm (5 steps) for precise drilling.

The Ruko-101050-5 step drill bit is a high-precision tool designed for drilling sheet metal in various industries, including electrical, plumbing, heating, and automotive. Its innovative design incorporates a split point cutting edge according to DIN 1412 C, allowing for easier and more efficient drilling starts. With a 118° cutting angle and a 90° taper angle, this drill bit ensures a clean and precise cut, optimizing performance with every use.

CBN (Cubic Boron Nitride) grinding and spiral chip flutes are features that guarantee noise-free, vibration-free, and burr-free cutting, improving the user experience and the quality of the work performed. Each step of the drill bit is radially adjusted and ground, ensuring uniformity in the drilling diameter.

• Diameter: Ø 4.0-12.0 mm (5 steps)
• Cutting point: Split point DIN 1412 C
• Cutting angle: 118º
• Cone angle: 90º
• Right-hand cutting
• CBN ground for increased durability
• Spiral chip ejection channel design
• Suitable for sheet metal up to 4 mm thick
• Laser-marked steps
• Includes translucent plastic case with hanger