A 19 piece metric heavy duty drill set made of 5% cobalt material with excellent heat resistance. Ideal for drilling steels with tensile strength up to 1,400 N/mm2, very hard bronze, stainless steels as well as heat and acid resistant steels. The high speed steel and cobalt construction allows for greater rigidity when cutting through harder materials. | | Features and Benefits | • Manufactured from high speed steel with 5% cobalt for added strength | • Excellent heat and wear resistance for prolonged tool lifespan | • Supplied in a robust carry case for easy portability and storage | | | Contents | • Set contains 1x 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 7.5, 8.0, 8.5, 9.0, 9.5 and 10.0 mm drills | | Specifications | • Point angle: 135? | • Helix angle: normal | • Web thickness: strengthened | • Relief angle: normal | • Tolerance of diameter: h8 | • Tolerance of shank: f11 | • Supply unit | • All diameters – 1 pc | • Manufacturing Standard: BS 328, DIN 338B | | Typical Applications | • Drilling | • Steel | • Hard bronze | • Stainless steels