Broca helicoidal RUKO LOS-HSSCo-54mm HSS-Co 5,4 mm DIN 338

Professional machinists and metalworkers rely on the RUKO LOS-HSSCo-54mm twist drill bit when drilling stainless steel, acid-resistant steel, and high-alloy steels. Its 5% cobalt alloy and fully ground flutes deliver high heat resistance and excellent wear resistance in tough, abrasive materials.

Key specifications

• Diameter: 5.4 mm
• Material: HSS-Co (5% cobalt)
• Standard: DIN 338
• Point angle: 135° split point
• Overall length: 93 mm
• Working length: 57 mm
• Shank: Cylindrical, h8 tolerance
• Cutting direction: Right-hand

Why choose it

The split point design self-centers and reduces walking, while the cobalt alloy withstands high temperatures generated in hard metals. Bright finish and precision grinding ensure clean, accurate holes.

Ideal use cases

• Drilling stainless and acid-resistant steels
• High-alloy steels, cast iron, bronze
• Hard plastics and abrasive materials

Good to know

Supplied as a single drill bit. Suitable for use in stationary drills and hand-held drills with appropriate chuck.