RUKO SPB-TL3000 DIN 338 HSS-G Twist Drill Bit 4.5 mm

Professional machinists and metalworkers rely on the RUKO SPB-TL3000 twist drill bit for precise, efficient drilling in steel, cast iron, non-ferrous metals, and plastics. This 4.5 mm bit is ground from solid high-speed steel and meets DIN 338 standards, ensuring consistent performance in workshops and production environments.

Key specifications

• Drill bit type: Twist drill bit
• Material: HSS-G (high-speed steel, ground)
• Diameter: 4.5 mm
• Standard: DIN 338
• Point angle: 118°
• Shank type: Cylindrical
• Cutting direction: Right-hand cutting
• Surface finish: Bright (uncoated)
• Manufacturing process: Ground from solid material
• Tolerance: h8
• Flute type: Standard spiral flute
• Recommended application: General purpose drilling in steel, cast iron, non-ferrous metals, plastics
• Maximum tensile strength: 900 N/mm²
• Helix angle: Normal (20-30°)
• Overall length: 80 mm
• Working length (flute length): 47 mm

Why choose it

The ground HSS-G construction provides a sharp, durable cutting edge, while the standard 118° point angle and normal helix angle deliver efficient chip removal and reduced cutting forces. The bright finish and h8 tolerance ensure consistent hole quality and long tool life.

Ideal use cases

• Drilling steel and cast iron in metalworking shops
• Creating holes in non-ferrous metals such as aluminium and brass
• Precision drilling in plastics for industrial applications

Good to know

This drill bit conforms to DIN 338, the European standard for short series twist drills, ensuring compatibility with standard drill chucks and collets. It is suitable for use with stationary drilling machines and hand-held drills when proper speed and feed are applied.