RUKO SPB-DIN338-HSS-4,8mm Typ LN kierreporanterä

The RUKO SPB-DIN338-HSS-4.8mm Type LN is a precision-ground twist drill bit engineered for reliable general-purpose drilling in steel, cast iron, non-ferrous metals, plastics, and wood. Its DIN 338 geometry and Type N flute profile provide efficient chip evacuation and stable cutting performance, making it a dependable choice for workshop and industrial applications.

Highlights

• 4.8 mm diameter with h8 tolerance for accurate hole sizing
• Ground from solid HSS-G for enhanced durability and sharpness
• 118° point angle and right-hand cutting for efficient material penetration
• Bright, uncoated surface reduces friction and resists built-up edge
• Cylindrical shank fits standard drill chucks

In daily use

This twist drill bit delivers consistent results across a range of materials. The 52 mm flute length provides ample chip clearance, while the 86 mm overall length ensures stability during drilling. Its Type N flute is ideal for general-purpose work, offering a balanced compromise between strength and chip evacuation.

Full specifications

• Product type: Twist drill bit
• Standard: DIN 338
• Material: HSS-G (high-speed steel, ground)
• Drill bit diameter: 4.8 mm
• Shank type: Cylindrical
• Shank diameter: 4.8 mm
• Point angle: 118°
• Flute type: Type N (normal)
• Surface treatment: Bright / uncoated
• Cutting direction: Right-hand cutting
• Total length: 86 mm
• Working length (flute length): 52 mm
• Tolerance: h8
• Recommended materials: Steel, cast iron, non-ferrous metals, plastics, wood
• Manufacturing process: Ground from solid
• Application: General purpose drilling
• Packaging unit: 1 piece

Final note

A versatile and precise twist drill bit that meets DIN 338 standards, suitable for a wide range of drilling tasks.