RUKO SPB-TL3000 4.2 mm DIN 338 HSS-G Twist Drill Bit

For clean, accurate holes in metal, plastic, and wood, the RUKO SPB-TL3000 twist drill bit delivers reliable performance. Its precision-ground High-Speed Steel (HSS-G) construction and DIN 338 compliance ensure consistent results in general-purpose drilling tasks.

Who is it for

This drill bit is ideal for DIY enthusiasts and professionals who need a dependable 4.2 mm bit for steel, cast iron, non-ferrous metals, and plastics. It suits workshop, maintenance, and installation work where a standard-length, right-hand cutting bit is required.

Main features

• High-Speed Steel (HSS) with ground finish (HSS-G) for sharpness and durability
• DIN 338 standard dimensions: 75 mm total length, 43 mm flute length
• 4.2 mm diameter with cylindrical shank and 118° point angle
• Right-hand cutting direction for standard drilling
• Bright polished surface for smooth chip evacuation
• Suitable for steel, cast iron, non-ferrous metals, and plastics

Specifications

• Product type: Twist drill bit
• Material: High-Speed Steel (HSS)
• Manufacturing process: Ground (HSS-G)
• Standard: DIN 338
• Diameter: 4.2 mm
• Total length: 75 mm
• Working length (flute length): 43 mm
• Shank type: Cylindrical
• Point angle: 118°
• Cutting direction: Right-hand cutting
• Surface finish: Bright / Polished
• Tolerance: h8
• Recommended materials: Steel, cast iron, non-ferrous metals, plastics
• Application: General purpose drilling
• Packaging: Single piece

Tips

Use a centre punch to mark the drilling point for improved accuracy. Apply cutting fluid when drilling steel to extend bit life. For plastics, reduce speed to prevent melting.