RUKO SPB-DIN338-HSS-TiN Twist Drill Bit 11.8 mm

Precision-ground HSS twist drill bit with a 135° split point and TiN coating, engineered for efficient drilling in steel, cast iron, non-ferrous metals, and plastics. The 11.8 mm diameter and DIN 338 standard ensure reliable performance in demanding workshop environments.

Overview

The RUKO SPB-DIN338-HSS-TiN-Ø11.8mm is a high-speed steel twist drill bit with a titanium nitride coating. It features a cylindrical shank, right-hand cutting, and a 135° point angle for accurate starts and reduced walking. The ground flutes provide excellent chip evacuation and a smooth finish.

What stands out

• TiN coating reduces friction and extends tool life
• 135° split point for precise centering and less thrust
• DIN 338 standard ensures consistent geometry and compatibility
• Ground from solid HSS for high toughness and wear resistance

Technical details

• Diameter: 11.8 mm
• Overall length: 142 mm
• Flute length: 94 mm
• Shank diameter: 11.8 mm (cylindrical)
• Material: High-speed steel (HSS)
• Coating: Titanium nitride (TiN)
• Point angle: 135°
• Cutting direction: Right-hand
• Tolerance: h8
• Standard: DIN 338
• Packaging quantity: 1 piece

Our verdict

A professional-grade twist drill bit that delivers clean, accurate holes in a wide range of materials. The TiN coating and precision grinding make it a reliable choice for both occasional and intensive use.