RUKO SPB-DIN338-HSS-TiAlN-Ø4,0 mm kierreporanterä

Precision-ground from solid HSS with a TiAlN coating, this 4.0 mm twist drill bit delivers exceptional heat resistance and wear resistance for demanding metalworking tasks.

Overview

The RUKO SPB-DIN338-HSS-TiAlN-Ø4.0mm is a high-performance twist drill bit manufactured to DIN 338 standards. Its 130° point angle and right-hand cutting direction ensure efficient chip removal and accurate hole starting. The cylindrical shank fits standard drill chucks, and the h8 tolerance guarantees consistent diameter for precise holes.

What stands out

• TiAlN coating provides high heat resistance and excellent wear resistance, suitable for dry machining.
• Ground from solid HSS for superior strength and durability.
• Versatile across steel, stainless steel, cast iron, non-ferrous metals, and plastics.
• DIN 338 compliance ensures standardized geometry and performance.

Technical details

• Diameter: 4.0 mm
• Overall length: 75 mm
• Flute length: 43 mm
• Point angle: 130°
• Helix angle: 25-30°
• Shank type: Cylindrical
• Tolerance: h8
• Cutting direction: Right-hand cutting
• Material: High-Speed Steel (HSS)
• Coating: Titanium Aluminum Nitride (TiAlN)

Our verdict

A reliable choice for professionals who need a durable, high-precision drill bit for a range of materials, especially where dry machining is preferred.