CSJ Crown Drill Bit, 4D Drill Diameter Range 10.50⁓10.99, Front-Locking Body with Internal Cooling for High-Speed Deep-Hole Drilling, Indexable Insert Drill / Side-Locking Drill Tip

The CSJ Crown Drill Bit (4D) is a high-performance indexable insert drilling solution designed for precision high-speed deep-hole machining. Featuring a specialized front-locking body coupled with advanced internal cooling (thru-coolant) channels, it ensures excellent chip evacuation, minimal thermal distortion, and exceptional tool life. Engineered with a stable side-locking drill tip mechanism, this 4D drill delivers superior rigidity and accuracy for diameter ranges from $\phi10.50\text{ mm}$ to $\phi10.99\text{ mm}$.

Specifications (Parameters)

Applications & Uses

• High-Speed Deep-Hole Machining: Ideal for high-efficiency 4D depth drilling operations where continuous chip flinging and high penetration rates are required.

• Diverse Material Drilling: Perfect for processing medium-to-hard materials, including carbon steel, alloy steel, stainless steel, and cast iron.

• Heavy Machinery & Automotive Manufacturing: Widely used in machining engine blocks, mold bases, flanges, and structural components requiring precise deep hole alignment.

• Precision CNC Operations: Fully optimized for CNC machining centers, milling machines, and high-speed drilling equipment with high-pressure internal coolant systems.