RUKO LOS-HSSCo-57mm broca helicoidal HSS-Co 5,7 mm DIN 338

The RUKO LOS-HSSCo-57mm is a high-performance twist drill bit engineered for precision drilling in tough and hard materials. Its cobalt alloyed high-speed steel construction delivers exceptional heat and wear resistance, ensuring long tool life even under demanding conditions.

Advantages

Manufactured to DIN 338 standards with a 135° split point, this drill bit offers excellent self-centering and reduces walking on the workpiece. The bright/steam tempered surface finish enhances chip evacuation and corrosion resistance. Fully ground flutes provide accurate hole sizing and superior surface quality.

Suitable for

• Stainless steel
• Alloyed steel
• Unalloyed steel
• Cast iron
• Non-ferrous metals
• Plastics

Key specifications

• Diameter: 5.7 mm
• Overall length: 93 mm
• Working length: 57 mm
• Material: HSS-Co (5% cobalt)
• Standard: DIN 338
• Shank type: Cylindrical
• Point angle: 135°
• Cutting direction: Right-hand
• Tolerance: h8

Recommendations

For best results, use with appropriate cutting fluid and recommended speeds for the material being drilled. The split point design minimizes thrust requirements and improves hole position accuracy.