RUKO LOS-HSSCo-14mm HSS-Co5 kierrepora, 14 mm, DIN 338, kärkihiottu, 135°

Drilling into tough alloyed steel or stainless steel quickly dulls ordinary bits, causing wandering, heat build-up, and poor hole quality. The RUKO LOS-HSSCo-14mm solves this with a cobalt-alloyed HSS-Co5 body that holds its edge at high temperatures, while the 135° split point starts on contact without a centre punch and cuts with less thrust.

Who is it for

Machinists, metal fabricators, and maintenance technicians who regularly drill alloyed or unalloyed steel, cast iron, stainless steel, and heat-resistant steels up to 1100 N/mm². Suitable for use in drill presses and hand-held drills with a 14 mm chuck.

Main features

• HSS-Co5 high-speed steel with 5% cobalt for high hot hardness and wear resistance
• Fully ground flutes and bright finish for accurate hole sizing and efficient chip evacuation
• 135° split point self-centres and reduces walking, even on curved or smooth surfaces
• DIN 338 standard dimensions: 160 mm total length, 108 mm flute length, cylindrical shank
• Diameter tolerance h8 for precise holes in demanding materials

Specifications

• Drill bit type: Twist drill bit
• Material: HSS-Co (High-Speed Steel with Cobalt)
• Cobalt content: 5% (HSS-Co5)
• Diameter: 14.0 mm
• Standard: DIN 338
• Shank type: Cylindrical
• Point angle: 135°
• Point type: Split point (self-centering)
• Flute type: Right-hand cutting
• Surface finish: Bright
• Total length: 160 mm
• Working length (flute length): 108 mm
• Manufacturing process: Fully ground
• Tolerance: h8
• Recommended application: Alloyed and unalloyed steel, cast iron, non-ferrous metals, plastics, stainless steel, heat-resistant steels
• Material hardness compatibility: Up to 1100 N/mm²
• Coolant compatibility: Yes, recommended
• Packaging quantity: 1 piece

Tips

Use a cutting fluid or coolant when drilling steel to extend bit life and improve surface finish. For deep holes, withdraw the bit periodically to clear chips and reduce heat. Store in a dry place to prevent corrosion of the bright finish.