RUKO ULTRA 204 broca helicoidal HSS-Co DIN 338 10,5 mm

Twist drill bit with 5% cobalt alloyed high-speed steel for high-performance drilling in tough materials. The split point design and 135° point angle provide precise centering and reduce thrust, while the fully ground flutes ensure efficient chip removal.

Advantages

High heat and wear resistance for extended tool life. Suitable for stainless steel, acid-resistant steel, heat-resistant steel, high-alloy steels, cast iron, and non-ferrous metals. Bright surface finish reduces friction and improves chip flow.

Suitable for

• Stainless steel
• Acid-resistant steel
• Heat-resistant steel
• High-alloy steels
• Cast iron
• Non-ferrous metals
• Plastics

Key specifications

• Diameter: 10.5 mm
• Total length: 133 mm
• Working length: 87 mm
• Shank type: Cylindrical
• Shank diameter: 10.5 mm
• Point angle: 135°
• Point type: Split point
• Material: HSS-Co (5% cobalt)
• Standard: DIN 338
• Tolerance: h8
• Cutting direction: Right-hand
• Surface finish: Bright
• Manufacturing process: Fully ground

Recommendations

Use with coolant or cutting oil for best results in hard materials. Ensure proper speed and feed according to material specifications.