Broca helicoidal HSS-Co RUKO LOS-HSSCo-64mm 6,4 mm DIN 338

Metalworkers and maintenance technicians rely on the RUKO LOS-HSSCo-64mm for precise drilling in tough materials. This 6.4 mm twist drill bit is made from high-speed steel with 5% cobalt (HSS-Co), giving it high heat resistance and excellent wear resistance for stainless steel, alloyed steel, cast iron, non-ferrous metals, and plastics.

Key specifications

• Drill bit type: Twist drill bit
• Diameter: 6.4 mm
• Material: HSS-Co (5% cobalt)
• Overall length: 101 mm
• Working length: 63 mm
• Shank: Cylindrical
• Point angle: 135°
• Tip: Split point (self-centering)
• Standard: DIN 338
• Manufacturing: Fully ground
• Coating: Uncoated (bright finish)
• Cutting direction: Right-hand

Why choose it

The split point tip prevents walking and allows accurate starting without a center punch. The cobalt alloy withstands high drilling temperatures, extending tool life in demanding applications. Fully ground flutes ensure good chip evacuation and smooth cutting.

Ideal use cases

• Drilling stainless steel and alloyed steel in workshops
• Maintenance and repair tasks on machinery
• Use with handheld drills or pillar drills

Good to know

Supplied as a single drill bit. Suitable for right-hand rotation only.