Description Drill set 5% cobalt alloy twist drill with very high thermal load capacity for drilling materials with higher alloy content and strength over 800 N/mm². Specifications: Drill Type (Categorization): Metal Twist Drill Set Contents: 1 Set Material (Drill): HSS-E Material Property: Cobalt Material Suitability: Metal, Non-ferrous Metals Tensile Strength (Max): 1300 N/mm²