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