Heller HSS-Co Cobalt Twist Drills DIN 338 RN

<p>These HSS-Co cobalt twist drills from <STRONG>Heller</STRONG> are equipped to tackle the toughest drilling jobs in stainless steel and metal. They are made from a special HSS steel with a 5% cobalt content and are available in a range of diameters ranging from 1mm to 16mm.</p>