RUKO carbide hollow drill bit with Weldon shank (Ø 20 mm) for precise drilling.

The Ruko-108720 hollow drill bit is a high-precision tool designed to deliver exceptional performance in drilling applications. With a diameter of 20 mm and a depth of 50 mm, this drill bit features a right-hand flute, making it ideal for use in RS 20, RS 30, and RS 40 pillar drills, provided the appropriate adapters (108 302 Morse Taper 2 and 108 303 Morse Taper 3) are used. Its carbide construction ensures superior durability and strength, allowing its use in a wide variety of materials.

This drill bit is especially recommended for working with steel, cast steel, and high-chromium alloy steels such as V2A and V4A.

• Diameter: 20 mm
• Cutting depth: 50 mm
• Cutting: Right-hand
• Compatibility: RS 20, RS 30, RS 40 pillar drills
• Required adapters: 108 302 Morse taper 2 and 108 303 Morse taper 3
• Recommended materials: Steel, cast steel, high-chromium alloy steels (V2A, V4A)
• Other materials: Non-ferrous metals and plastics
• Availability: 31 to 50 mm, in 1.0 mm increments on request
• Construction: Carbide