RUKO SPB-DIN338-HSS-TiN Twist Drill Bit 14.5 mm

Precision drilling in tough materials demands a bit that stays sharp and centered. The RUKO SPB-DIN338-HSS-TiN twist drill bit delivers clean, accurate holes in steel, cast steel, non-ferrous metals, plastics, grey cast iron, and malleable cast iron. Its titanium nitride coating reduces friction and heat buildup, extending tool life and improving performance.

Who is it for

This drill bit is built for metalworkers, machinists, and serious DIYers who need reliable, general-purpose drilling in a variety of materials. It fits standard drill chucks and is suitable for both hand-held and stationary drilling machines.

Main features

• Diameter: 14.5 mm with h8 tolerance for precise hole sizing
• DIN 338 standard geometry with 118° point angle and conical ground point
• High-speed steel (HSS) body with titanium nitride (TiN) coating for wear resistance
• Right-hand spiral flute, type N core, ground from solid for consistent quality
• Overall length 169 mm, working length 114 mm, cylindrical shank 14.5 mm

Specifications

• Drill bit type: Twist drill bit
• Standard: DIN 338
• Material: High-speed steel (HSS)
• Coating: Titanium nitride (TiN)
• Diameter: 14.5 mm
• Overall length: 169 mm
• Working length: 114 mm
• Shank type: Cylindrical
• Shank diameter: 14.5 mm
• Point angle: 118°
• Point type: Conical ground
• Manufacturing process: Ground from solid
• Tolerance: h8
• Flute type: Right-hand spiral
• Core thickness: Standard (Type N)
• Suitable materials: Steel, cast steel, non-ferrous metals, plastics, grey cast iron, malleable cast iron

Tips

Use cutting fluid when drilling steel to maximize bit life. For precise holes, center punch the workpiece and start at a lower speed before increasing to the recommended cutting speed for the material.