RUKO punta elicoidale HSS-G DIN 338 affilatura a croce 11,4 mm

Drilling precise holes in tough materials demands a bit that stays sharp, centers accurately, and withstands heat. The RUKO SPB-DIN338-HSS-G-Kreuz-11.4mm twist drill bit solves these challenges with its precision-ground high-speed steel construction and split point geometry, delivering clean, accurate holes in steel, cast iron, non-ferrous metals, plastics, and wood.

Who is it for

Professional machinists, metalworkers, and serious DIYers who need reliable performance in demanding drilling tasks. Ideal for workshop use where accuracy and tool life are critical.

Main features

• Precision-ground HSS-G steel for durability and sharpness
• Split point (Kreuzanschliff) for self-centering and reduced walking
• 135° point angle optimized for metal drilling
• DIN 338 standard dimensions ensure compatibility with standard chucks
• Cylindrical shank with h8 tolerance for secure gripping

Specifications

• Drill bit type: Twist drill bit
• Material: High-speed steel (HSS-G)
• Manufacturing process: Precision ground
• Standard: DIN 338
• Diameter: 11.4 mm
• Shank type: Cylindrical
• Shank diameter: 11.4 mm
• Point type: Split point
• Point angle: 135°
• Helix angle: Standard (25-30°)
• Surface finish: Bright
• Total length: 142 mm
• Flute length: 101 mm
• Direction of cut: Right-hand
• Tolerance: h8
• Recommended applications: Steel, cast iron, non-ferrous metals, plastics, wood
• Self-centering: Yes
• Packaging quantity: 1 piece

Tips

Use cutting fluid when drilling steel to extend bit life and improve finish. For best results, start with a center punch or pilot hole to guide the bit.