RUKO HSS type N twist drill bit Ø 9 mm, DIN 338, high precision and durability.

The Ruko-2144090-DIN 338 Type N HSS Twist Drill Bit (Ø 9 mm) is a high-precision tool designed to deliver exceptional performance in a wide variety of materials. Its high-speed steel (HSS) construction ensures superior durability and strength, making it an ideal choice for both professionals and DIY enthusiasts. The drill bit features high concentricity and rotational accuracy, enabling clean and precise drilling. Its design includes a ground conical tip with a split point, conforming to DIN 1412 C, which facilitates penetration into the material and reduces slippage.

With a cutting angle of 118 degrees and a spiral angle of 20-30 degrees, this drill bit is optimized for efficient and effective cutting. The bright surface not only enhances the aesthetics but also contributes to reduced friction during use.

• High-performance drill bit for all types of drills.
• High concentricity and rotational accuracy.
• Conical point with split point according to DIN 1412 C.
• Cutting angle: 118 degrees.
• Spiral angle: 20-30 degrees.
• Diameter tolerance: h8.
• Bright surface for reduced friction.
• Right-hand cutting.
• Applications in steel, cast iron, and alloys.
• Tensile strength up to 900 N/mm².