COBALT DRILL 8.5mm

Drills without making punch marks even on round material and combines hardness with flexibility with excellent durability. Also for stainless steel materials. High quality HSS cobalt drill for a wide range of materials. Self-centring. Drills without centre punching, even on curved surfaces; non-slip. Can withstand extreme heat. Specially designed for alloyed and non-alloyed materials and rustproof materials with a tensile strength above 800N/mm2. Highly durable and flexible, giving better value for money. A very practical set from 1 mm to 13 mm and sizes for the screw taps (M3-4-5-6-8-10-12). An outstanding drill that satisfies most repair and maintenance needs.