RUKO HSS-E Co 5 cobalt step drill Ø 4.0-12.0 mm (9 steps)

The Ruko-101050-9E 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 precise drilling starts. With a 118° cutting angle and a 90° taper angle, this drill bit ensures efficient and clean cutting, optimizing performance with every use.

CBN grinding and spiral chip flutes contribute to noise-, vibration-, and burr-free cutting, guaranteeing a more comfortable and safer work environment. Each step of the drill bit is radially adjusted and precision ground, and the steps are laser-marked for easy identification.

• Model: Ruko-101050-9E
• Material: HSS-E Co 5 Cobalt
• Diameter: Ø 4.0-12.0 mm (9 steps)
• Cutting point: Split point DIN 1412 C
• Cutting angle: 118º
• Cone angle: 90º
• Cutting: Right-hand
• Capacity: Sheet metal up to 4 mm
• Case: Translucent plastic with hanger
• Design: Spiral chip outlet channels