RUKO SPB-DIN338-11,3mm-HSSCo kierrepora

For machinists and metalworkers drilling precise holes in tough materials, the RUKO SPB-DIN338-11.3mm-HSSCo twist drill bit delivers reliable performance. Its 11.3 mm diameter and DIN 338 standard geometry make it a solid choice for workshop tasks.

Key specifications

• Drill bit type: Twist drill bit
• Standard: DIN 338
• Material: HSS-Co (5% cobalt)
• Diameter: 11.3 mm
• Shank type: Cylindrical (straight shank)
• Point angle: 130°
• Point grind: Split point (cross-ground)
• Surface finish: Bright
• Overall length: 142 mm
• Flute length: 101 mm
• Tolerance: h8
• Cutting direction: Right-hand cutting
• Manufacturing process: Fully ground

Why choose it

The cobalt alloyed high-speed steel withstands high temperatures, maintaining hardness and cutting ability in demanding applications. The split point design reduces walking and improves centering accuracy, while the bright finish provides a clean surface.

Ideal use cases

• Drilling alloyed and unalloyed steel
• Stainless steel fabrication
• Cast iron components
• Non-ferrous metals
• Plastics

Good to know

This drill bit is fully ground for precise geometry and consistent performance. It is supplied as a single unit.