RUKO HSS-E Co 5 cobalt step drill Ø 4.0-39.0 mm (13 steps)

The Ruko-101056E 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 (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, providing greater durability and precision. The steps are laser-marked for easy identification and use.

• Model: Ruko-101056E
• Material: HSS-E Co 5 Cobalt
• Diameter: Ø 4.0-39.0 mm (13 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: Plastic translucent with hanger
• Channel design: Spiral chip outlet