RUKO SPB-DIN1897-6.8mm HSS-G spiraalipora, erittäin lyhyt, 6,8 mm

For machinists and metalworkers who need a compact, precise drill for shallow holes in tight setups, the RUKO SPB-DIN1897-6.8mm is a ground HSS-G twist drill bit in the extra short series. Its 6.8 mm diameter and 70 mm total length make it ideal for use in drill presses, lathes, and hand drills where rigidity and accuracy are critical.

Key specifications

• Drill bit type: Twist drill bit
• Standard: DIN 1897 (extra short series)
• Material: HSS-G (high-speed steel, ground)
• Diameter: 6.8 mm
• Shank type: Parallel shank (cylindrical)
• Shank diameter: 6.8 mm
• Total length: 70 mm
• Flute length: 38 mm
• Point angle: 118°
• Surface finish: Bright (ground)
• Cutting direction: Right-hand cutting
• Tolerance: h8
• Manufacturing process: Ground from solid
• Recommended application: Steel, cast iron, non-ferrous metals, plastics
• Heat resistance: Up to approx. 400°C
• Packaging: Single drill bit

Why choose it

The extra short design reduces deflection and increases stability, resulting in cleaner holes and longer tool life. The bright ground finish ensures smooth chip evacuation and precise cutting edges.

Ideal use cases

• Drilling shallow holes in metal components
• Precision work in jigs and fixtures
• Maintenance and repair tasks requiring a compact drill

Good to know

Manufactured from solid HSS-G, this drill bit offers high toughness and wear resistance. It is suitable for a wide range of materials, including steel, cast iron, non-ferrous metals, and plastics.