RUKO SPB-DIN338-HSS-TiN Twist Drill Bit 1/2 inch (12.7 mm) DIN 338 TiN Coated

Precision-ground HSS twist drill bit with TiN coating, 1/2 inch diameter, DIN 338 standard, for reliable drilling in steel, cast iron, non-ferrous metals and plastics.

Overview

The RUKO SPB-DIN338-HSS-TiN is a high-performance twist drill bit made from high-speed steel (HSS) with a titanium nitride (TiN) coating. It conforms to DIN 338, ensuring standardised dimensions and geometry for general-purpose drilling. The 1/2 inch (12.7 mm) diameter bit features a cylindrical straight shank, a 118° point angle, and right-hand cutting flutes. The TiN coating increases surface hardness to approximately 2300 HV and withstands working temperatures up to 600 °C, reducing wear and extending tool life.

What stands out

• TiN coating for enhanced wear resistance and longer life
• Ground from solid for precise geometry and concentricity
• DIN 338 standard dimensions ensure compatibility with standard drill chucks
• Suitable for a wide range of materials including alloyed and unalloyed steel, grey cast iron, malleable cast iron, non-ferrous metals, and plastics
• h8 shank tolerance for secure clamping

Technical details

• Diameter: 1/2 inch (12.7 mm)
• Overall length: 151 mm
• Flute length: 101 mm
• Shank type: cylindrical (straight)
• Point angle: 118°
• Flute type: right-hand cut
• Material: HSS
• Coating: TiN
• Colour: gold

Our verdict

A professional-grade twist drill bit that delivers consistent performance across common materials, backed by a durable TiN coating and precise DIN 338 geometry.