RUKO SPB-DIN338-HSS-TiN σπειροειδές τρυπάνι 7,9 mm

Precision-ground HSS twist drill bit with TiN coating, diameter 7.9 mm, DIN 338, right-hand cutting, 118° point angle. Ideal for steel up to 900 N/mm², cast iron, non-ferrous metals, and plastics.

Overview

The RUKO SPB-DIN338-HSS-TiN-Ø7,9mm is a high-performance twist drill bit engineered for demanding drilling tasks. Manufactured from high-speed steel (HSS) and coated with titanium nitride (TiN), it offers enhanced hardness, reduced friction, and improved heat resistance, resulting in longer tool life and superior cutting performance.

What stands out

• TiN coating for reduced friction and improved chip removal
• Ground from solid for high precision and concentricity
• DIN 338 standard ensures consistent geometry and compatibility
• Right-hand cutting direction for standard drilling applications
• 118° point angle suitable for a wide range of materials

Technical details

• Drill bit type: Twist drill bit
• Standard: DIN 338
• Material: High-speed steel (HSS)
• Coating: Titanium nitride (TiN)
• Diameter: 7.9 mm
• Shank type: Cylindrical shank
• Point angle: 118°
• Cutting direction: Right-hand cutting
• Overall length: 117 mm
• Working length (flute length): 75 mm
• Tolerance: h8
• Max material hardness: Up to 900 N/mm²
• Manufacturing process: Ground from solid
• Colour: Gold (TiN coating)
• Packaging quantity: 1 piece

Our verdict

A reliable, high-quality twist drill bit for professional and industrial use. The TiN coating and precision grinding ensure excellent performance and durability in steel and other metals.