RUKO SPB-DIN338 8,2 mm τρυπάνι HSS-Co

Machinists and metalworkers rely on this RUKO SPB-DIN338 8.2 mm twist drill bit for precise holes in tough materials. Its HSS-Co construction with 5% cobalt and a 135° split point makes it a dependable choice for stainless steel and high-tensile alloys.

Key specifications

• Diameter: 8.2 mm
• Overall length: 117 mm
• Working length: 75 mm
• Material: HSS-Co (5% cobalt)
• Point angle: 135°
• Point type: Split point (cross-ground)
• Shank: Cylindrical (straight)
• Cutting direction: Right-hand
• Surface finish: Bright
• Tolerance: h8

Why choose it

Fully ground from high-speed steel with cobalt, this drill bit offers enhanced heat resistance and wear life. The split point reduces walking and requires less thrust, while the increased core thickness adds stability during deep-hole drilling.

Ideal use cases

• Drilling alloyed and unalloyed steel
• Stainless steel fabrication
• Cast iron and non-ferrous metals
• Plastics and other industrial materials

Good to know

Conforms to DIN 338 with a standard spiral flute (Type N) for efficient chip evacuation. Suitable for use in drill presses and handheld drills with appropriate clamping.