RUKO 1000027129 broca helicoidal HSS-G DIN 338 afilado en cruz 10,9 mm

This RUKO HSS-G twist drill bit features a split point tip for precise centring and reduced thrust, making it a dependable choice for accurate drilling in steel and other metals. Unlike standard rolled bits, the fully ground flutes ensure consistent cutting geometry and a longer service life.

Highlights

• Fully ground HSS-G construction for high durability and precision
• Split point tip (135°) minimises walking and improves centring
• DIN 338 standard dimensions with 10.9 mm diameter
• Bright uncoated finish suitable for a wide range of materials

In daily use

With a working length of 94 mm and total length of 142 mm, this drill bit offers good reach for general workshop tasks. The cylindrical shank fits standard drill chucks, and the right-hand cutting direction matches most handheld and stationary drills. Use coolant for optimal performance when drilling harder steels.

Full specifications

• Drill Bit Type: Twist Drill Bit
• Material: High-Speed Steel (HSS)
• Manufacturing Process: Fully Ground (HSS-G)
• Standard: DIN 338
• Tip Type: Split Point (Kreuzanschliff)
• Point Angle: 135°
• Helix Angle: Standard (approx. 25-30°)
• Surface Finish: Bright / Uncoated
• Shank Type: Cylindrical
• Shank Diameter: 10.9 mm
• Drill Diameter: 10.9 mm
• Total Length (L1): 142 mm
• Working Length (L2): 94 mm
• Tolerance: h8
• Direction of Cut: Right-hand cutting
• Recommended Material Hardness: Up to approx. 900 N/mm²
• Suitable Materials: Steel, Cast Iron, Non-ferrous Metals, Plastics, Wood
• Coolant Recommendation: Yes, for optimal performance

Final note

RUKO's fully ground HSS-G twist drill with split point is a solid performer for precise metal drilling tasks.