RUKO SPB-DIN338-HSS-TiN-Ø11,8mm špirálový vrták

Precision-ground from solid HSS with a TiN coating, this 11.8 mm twist drill bit delivers reliable performance in steel, cast iron, non-ferrous metals, and plastics.

Overview

Manufactured to DIN 338 standards, this RUKO twist drill bit features a cylindrical shank, 118° point angle, and h8 tolerance for accurate drilling. The titanium nitride coating provides a hard, heat-resistant surface (up to 600°C) that extends tool life and improves chip flow.

What stands out

• TiN coating with hardness of approx. 2300 HV for enhanced wear resistance
• Ground from solid HSS for superior concentricity and strength
• Right-hand cutting direction with standard spiral flute for efficient chip evacuation
• Precision h8 shank tolerance ensures secure gripping in drill chucks

Technical details

• Drill bit type: Twist drill bit
• Standard: DIN 338
• Material: High-speed steel (HSS)
• Coating: Titanium nitride (TiN), golden colour
• Diameter: 11.8 mm
• Shank type: Cylindrical, diameter 11.8 mm
• Total length: 151 mm
• Working length: 101 mm
• Point angle: 118°
• Tolerance: h8
• Cutting direction: Right-hand
• Manufacturing method: Ground from solid
• Recommended materials: Steel, cast iron, non-ferrous metals, plastics
• Coating heat resistance: Up to 600°C
• Coating hardness: Approx. 2300 HV
• Unit count: 1

Our verdict

A professional-grade HSS twist drill bit with TiN coating, ideal for general-purpose drilling in a variety of materials. Its precise geometry and durable coating make it a reliable choice for workshops and industrial applications.