CK 20mm Fast4 drill bit.

• 20mm hole diameter.
• 80mm overall length, 50% shorter than previous model for better access.
• 4 blades provide 100% faster drilling than with a flat bit.
• Optimised flute geometry for faster waste removal.
• Precision ground cutting edges with outer spur blades for a smoother cut and cleaner breakout.
• Screw point allows accurate positioning and pulls the bit through with less effort.