RUKO STB-HSS-SP-Gr.14-5,3-30,5mm Precision Ground Twist Drill Bit 5.3 mm DIN 338 HSS-G

This RUKO precision ground twist drill bit stands out with its split point geometry, which reduces walking and provides accurate hole positioning without a centre punch. The 135° point angle and tight h8 tolerance make it a reliable choice for general-purpose drilling in a range of materials.

Highlights

• Precision ground from high-speed steel (HSS-G) for durability and sharpness
• Split point tip for self-centring and reduced thrust pressure
• DIN 338 standard dimensions with cylindrical shank
• Suitable for steel, cast steel, grey cast iron, malleable cast iron, non-ferrous metals, and plastics

In daily use

The 5.3 mm diameter and 30.5 mm flute length handle most workshop tasks, from sheet metal to plastic housings. The bright, uncoated finish allows easy resharpening, extending the bit's service life. The right-hand cutting direction and standard type N helix ensure efficient chip evacuation.

Full specifications

• Drill bit type: Twist drill bit
• Material: High-speed steel (HSS-G)
• Standard: DIN 338
• Manufacturing process: Precision ground
• Drill diameter: 5.3 mm
• Flute length: 30.5 mm
• Total length: 86 mm
• Shank type: Cylindrical
• Shank diameter: 5.3 mm
• Point angle: 135°
• Point type: Split point
• Surface finish: Bright (uncoated)
• Tolerance: h8
• Helix angle: Type N
• Cutting direction: Right-hand
• Maximum tensile strength: Up to 900 N/mm²
• Packaging unit: 1 piece

Final note

A dependable, precision-made twist drill bit for everyday metal and plastic drilling, backed by RUKO's manufacturing quality.