RUKO HSS stepped drill bit Ø 6.0-26.75 mm with 8 cutting steps.

The Ruko-101055 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 contribute to noise-, vibration-, 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, guaranteeing exceptional precision.

• Diameter: Ø 6.0-26.75 mm (8 steps)
• Drilling capacity: sheet metal up to 4 mm
• 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
• Laser-marked steps
• Includes translucent plastic case with hanger