RUKO SPB-DIN338-HSSCo8-Ø5,0mm τρυπάνι ελικοειδές

The RUKO SPB-DIN338-HSSCo8-Ø5.0mm twist drill bit stands out for its cobalt-alloyed high-speed steel construction, delivering exceptional heat resistance and wear resistance for demanding metal drilling tasks. Its split point design ensures precise self-centering, reducing walking and improving hole accuracy.

Highlights

• HSS-Co8 material with 8% cobalt for high heat resistance
• Split point (135°) for self-centering and reduced thrust
• DIN 338 standard dimensions: 86 mm total length, 52 mm working length
• Bright finish for clean cutting and corrosion resistance
• Right-hand cutting, spiral flute for efficient chip removal

In daily use

This drill bit excels in high-alloy steels, stainless steel, cast iron, bronze, and hard plastics. Its cylindrical shank with 5.0 mm diameter fits standard drill chucks. The h8 tolerance ensures consistent hole sizing, while the ground-from-solid manufacturing guarantees sharp, durable cutting edges.

Full specifications

• Drill bit type: Twist drill bit
• Material: HSS-Co8
• Standard: DIN 338
• Diameter: 5.0 mm
• Shank type: Cylindrical
• Shank diameter: 5.0 mm
• Point angle: 135°
• Point type: Split point
• Flute type: Spiral
• Surface treatment: Bright
• Tolerance class: h8
• Cutting direction: Right-hand
• Total length: 86 mm
• Working length: 52 mm
• Manufacturing method: Ground from solid
• Packaging unit: 1 piece

Final note

The RUKO SPB-DIN338-HSSCo8-Ø5.0mm is a professional-grade twist drill bit engineered for precision and longevity in tough materials.