RUKO 1000027351 broca helicoidal HSS-G DIN 338, 9,9 mm, afilado de punta 135°

This RUKO precision-ground twist drill bit stands out with its 9.9 mm diameter and split point geometry, engineered for self-centering starts and reduced axial force. Unlike standard bits, the 135° point angle and bright HSS-G finish deliver cleaner holes in steel, cast iron, non-ferrous metals, and plastics.

Highlights

• Split point tip (135°) for accurate positioning without a center punch
• Precision ground from high-speed steel (HSS-G) to DIN 338
• Bright surface finish and cylindrical shank for secure chuck grip
• Optimized flute design improves chip evacuation in deep drilling

In daily use

The RUKO 215 series bit reduces walking and breakout, making it a reliable choice for general-purpose drilling. Its 87 mm working length handles most workshop tasks, while the h8 tolerance ensures consistent hole sizing.

Full specifications

• Drill bit type: Twist drill bit
• Standard: DIN 338
• Material: High-speed steel (HSS-G)
• Manufacturing process: Precision ground
• Diameter: 9.9 mm
• Tip type: Split point (self-centering)
• Point angle: 135°
• Shank type: Cylindrical
• Overall length: 133 mm
• Working length (flute length): 87 mm
• Helix angle: Standard (Type N)
• Tolerance: h8
• Surface finish: Bright
• Recommended materials: Steel, cast iron, non-ferrous metals, plastics
• Application: General purpose drilling
• Reduced axial force: Yes
• Improved chip evacuation: Yes
• Self-centering: Yes
• Packaging quantity: 1 piece
• Series: RUKO 215 Series

Final note

For precise, low-effort holes in common materials, the RUKO 1000027351 is a dependable single-bit solution.