SwissTech 4000, Long Series Drill, 4mm, Long Series, Straight Shank, Cobalt High Speed Steel, Uncoated

These Series 4000 HSS-Co Parabolic Flute Straight Shank Long Series Drills are designed for superior drilling. Each drill is metric sized and possesses a parabolic flute. The drills have a high resistance to non-alloyed and alloyed steels and a chipbreaking point that performs well on long chipping materials with a tensile strength up to 1,300 N/mm2. The drills have a point angle of 130°, a high helix angle, a strengthened web thickness, a normal relief angle as well as a Ttlerance of diameter of h8 and a tolerance of shank of f11. Features and Benefits • Chipbreaking point performs well on long chipping materials • Drills up to 5 times the diameter • Available in a variety of sizes and specifications to suit your needs Typical Applications • Suited for long chipping materials Standards • DIN 340 • BS 328