Drill Service (Horley) Ltd Contact sales on sales@drill-service.co.uk or call +44 (0)1293774911 DCO - HSCo DrillHSCo Cobalt Jobber Length Drills These drills have ‘cross-cut’ points. The HSS Cobalt has a greater impact resistance and edge strength as well as better wear qualities under extreme cutting pressures. These drills show particular advantages on difficult steels with a tenacious swarf, stainless, nimonic, titanium, etc. Cobalt HSS drills are bright/bronze finished. Cutting speeds should be about half that used with HSS. Point angle 130 degrees. Economy range available in nominal sizes shown with Y suffix.
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