RUKO HSS step drill bit without point Ø 20-30 mm, 11 steps for precise drilling.

The Ruko-101362 step drill bit is specifically designed for drilling sheet metal in various industries, including electrical, plumbing, heating, and automotive. Its innovative design and advanced technology ensure exceptional performance and a long service life. Featuring a split point cutting edge according to DIN 1412 C, this tool has a 118° cutting angle and a 90° taper angle, enabling efficient and precise cutting. The right-hand cutting edge and CBN grinding, along with the spiral chip flutes, ensure a noise-, vibration-, and burr-free drilling process.

Each step of the drill bit is radially adjusted and precision ground, and the steps are laser-marked for ease of use.

• Diameter: Ø 20.0-30.0 mm (11 steps)
• Cutting point: Split point DIN 1412 C
• Cutting angle: 118º
• Cone angle: 90º
• Right-hand cutting
• CBN ground for optimal cutting
• Spiral chip ejection channel design
• Radially adjusted and ground steps
• Laser-marked steps
• Suitable for sheet metal up to 4 mm thick