KenDrill HPR SOLID CARBIDE DRILLS Applications Drilling Inclined Exit MQL (Minimum Through Coolant: Quantity Lubricant): Radial: Drilling Drilling Cross-Hole Stacked Drilling Plates Helix Angle Plain 30° Shank ≤h6 2 Flute/ 4 Margin/ DIN 6535 Coolant Materials K Cast Iron P Steels 2