RUKO HSS type N twist drill bit Ø 8.5 mm - DIN 338, high precision and durability.

The Ruko-2144085 twist drill bit, with a diameter of 8.5 mm, is a high-performance tool designed to deliver exceptional performance in a wide variety of common materials. Its high-speed steel (HSS) construction ensures high concentricity and rotational accuracy, making it an ideal choice for jobs requiring precision. The drill bit features a tapered point grinding 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. Its bright surface not only enhances durability but also minimizes friction during use.

• Diameter: 8.5 mm
• Material: HSS (High-Speed Steel)
• Conformance: DIN 338 type N
• Cutting Angle: 118 degrees
• Spiral Angle: 20-30 degrees
• Ø-tolerance: h8
• Surface Finish: Bright
• Cutting: Right-hand
• Applications: Steel, castings, aluminum alloys, bronze, and brass
• Maximum Strength: Up to 900 N/mm²