RUKO LOS-HSSCo-70mm broca helicoidal HSS-Co 2,0 mm DIN 338

Machinists and metalworkers rely on the RUKO LOS-HSSCo-70mm twist drill bit for precise drilling in tough materials. With a 2.0 mm cutting diameter and 70 mm total length, this cobalt-alloyed bit handles alloyed and unalloyed steel, stainless steel, cast iron, and non-ferrous metals in hand drills, pillar drills, and machining centers.

Key specifications

• Material: HSS-Co (5% cobalt high-speed steel)
• Drill bit type: Twist drill bit
• Standard: DIN 338
• Cutting diameter: 2.0 mm
• Total length: 70 mm
• Flute length: 24 mm
• Shank type: Cylindrical (straight shank)
• Point angle: 135°
• Surface treatment: Bright finish
• Cutting direction: Right-hand
• Tolerance: h8
• Manufacturing process: Fully ground

Why choose it

The 5% cobalt content provides high heat resistance and excellent durability, while the fully ground flutes ensure good chip removal and high core stability. The 135° split point reduces walking and enables accurate hole positioning.

Ideal use cases

• Drilling steel and stainless steel components
• Maintenance and repair work in workshops
• Precision drilling in machining centers

Good to know

Packaged individually. Suitable for a wide range of metals and plastics.