Features:

• CNC processed teeth for fast and smooth cutting
• Constructed from high quality HSS material for strong resistance to impact and good wearing capability
• Available to work on rough surface
• Titanium coating available for better resistance to heat and wearing
• Ejector spring,  pilot drill bit and screw are fixed together for all diameters
• Packed in high quality plastic box / tube, private label service available
• Other type, specifications and packages available