The Ruko-229090 twist drill bit is a high-precision tool designed to meet the demands of drilling in medium-chipping, long, and difficult materials. Made of high-performance high-speed steel and cobalt alloy, this drill bit offers superior resistance to heat set, making it ideal for jobs requiring significant drilling depths. Its design includes a tapered point grinding with a split point, conforming to DIN 1412 C, which ensures a precise and efficient start to the drilling process. With a 130° cutting angle and a 40° spiral angle, this drill bit is optimized for effective cutting and efficient chip removal.
- Diameter: Ø 9 mm
- Tolerance: h8
- Surface Finish: Golden Brown
- Cutting Direction: Right-handed
- Cutting Angle: 130°
- Spiral Angle: 40°
- Applicable Materials: Alloy and non-alloy steel (up to 1200 N/mm²)
- Compatibility: High-chromium alloy steels (V2A, V4A), titanium, cast iron, aluminum, copper, brass, and bronze
- Presentation: Translucent plastic case with red background label
- Drill bit type: DIN 338 TL 3000 HSS-Co 5 Cobalt ground