RUKO SPB-DIN338-HSS-TiN-Ø8,8mm spiraalboor

This RUKO twist drill bit stands out with its titanium nitride (TiN) coating, which reduces friction and increases wear resistance for longer tool life. The 8.8 mm diameter and DIN 338 geometry make it a reliable choice for general-purpose drilling in steel, alloyed steel, cast iron, non-ferrous metals, and plastics.

Highlights

• TiN coating for reduced friction and extended service life
• Precision-ground HSS body with 118° point angle for accurate starts
• Right-hand cutting, cylindrical shank fits standard drill chucks
• DIN 338 dimensions: 125 mm total length, 81 mm working length

In daily use

The golden TiN surface not only looks distinctive but also helps chips slide away smoothly, reducing heat build-up. The h8 tolerance shank ensures a secure grip in the chuck, while the standard spiral flute clears debris efficiently. Whether you are working on a bench drill or a hand-held drill, this bit delivers consistent holes in common workshop materials.

Full specifications

• Drill bit type: Twist drill bit
• Standard: DIN 338
• Material: High-speed steel (HSS)
• Coating: Titanium nitride (TiN)
• Diameter: 8.8 mm
• Shank type: Cylindrical
• Point angle: 118°
• Cutting direction: Right-hand cutting
• Manufacturing process: Fully ground
• Tolerance: h8
• Total length: 125 mm
• Working length: 81 mm
• Coating hardness: approx. 2300 HV
• Heat resistance: up to 600 °C
• Recommended materials: Steel, alloyed steel, cast iron, non-ferrous metals, plastics

Final note

A dependable, general-purpose drill bit with a wear-resistant TiN coating, suitable for a wide range of materials and everyday drilling tasks.