RUKO SPB-DIN338-HSS-TiN σπειροειδές τρυπάνι 6,6 mm

The RUKO SPB-DIN338-HSS-TiN twist drill bit delivers precise, efficient drilling in metal and other materials. Its titanium nitride coating reduces friction and increases surface hardness, ensuring long tool life and clean holes.

Advantages

The TiN coating provides high wear resistance and heat resistance up to 600°C, allowing higher cutting speeds and extended service life. The fully ground flutes ensure excellent chip removal and accurate hole quality.

Suitable for

• Alloyed and unalloyed steel
• Cast iron
• Non-ferrous metals
• Plastics

Key specifications

• Drill bit type: Twist drill bit
• Standard: DIN 338
• Material: High-speed steel (HSS)
• Coating: Titanium nitride (TiN)
• Diameter: 6.6 mm
• Shank type: Cylindrical
• Point angle: 118°
• Cutting direction: Right-hand cutting
• Total length: 109 mm
• Working length: 69 mm
• Tolerance: h8
• Manufacturing process: Fully ground
• Colour: Gold

Recommendations

Use with appropriate cutting fluid for best results in steel. Ensure the drill is securely clamped and the workpiece is stable. For deep holes, withdraw the drill periodically to clear chips.