
Hole-Making-Head-Exchangeable Drills-Drill Body-Qd110-119-16-1.5xd-Ca. Head Exchangeable Design: Features 6 types of carbide drill heads for versatile applications in steel and cast iron. Internal Coolant Channels: Highly polished drill bodies with internal channels for efficient chip removal and smooth evacuation. Multiple L/D Ratios: Available in 1.5xD, 3XD, 5xD, 8xD, and 12xD ratios to suit different drilling depths. Wide Shank Range: Shank diameters available in 12mm, 16mm, 20mm, 25mm, and 32mm, plus custom inch sizes. Stock and Fast Delivery: Delivery from stock or within 25 days from order date for standard items. Customizable Options: Customization available for application, shank diameter, drilling diameter, depth, mounting type, and coolant holes.