CK Vorteck bit set.

• Includes 3mm, 4mm, 5mm, 6mm, 8mm and 10mm HSS drill bits.
• Vorteck tip breaks down the drilling process into multiple micro-cuts.
• Made from high-grade M35 HSS with 5% Cobalt for increased working life.
• Suitable for drilling high strength steel, stainless steel, cast iron, non-ferrous metals, plastic and wood.
• Self-centring tip, removes the need for pre-drilling or centre punching, even on curved surfaces.
• Burr-free drilling de to the optimized tip and fully ground flute structure.
• Instant start and rapid entry design enables cutting speeds up to twice as fast as normal drill bits.
• Quick lock 6.3mm (1/4") hex shank.
• Black oxide coating and bronze finish provides long lasting corrosion protection.