13pc High Speed Cobalt Drill Set made from high quality cobalt steel which
offers superior strength and durability.
All these drill bits are suitable for drilling wood, metal and plastic.
High Speed Steel Cobalt drills are used for drilling in tough, high tensile
strength materials like alloy & hardened steel, Cast Iron, Titanium, Stainless
Steel and can also be used on wood and plastic.
Always Requires active cooling.
High heat resistance for particularly tough metal drilling