CARBIDE = hardness 1800 HV, to machine steels over 1300 N/mm², Treated steels up to 60 HRC, abrasive tough steels, stainless steels, titanium alloys, hard bronze, inconel, nimonic, waspaloy, hard cast irons and all other metals, thermoplastics, nylon, PVC, laminated, graphite, reinforced polymer with glass or carbon fibres, ceramics, glass.

These centre drills are designed to machine chamfers in sheets and for spoting operation prior to drilling.