CSJ Crown Drill Bit, 5D Drill Diameter Range 27.00-27.99, Front-Locking Body with Internal Cooling for High-Speed Deep-Hole Drilling, Indexable Insert Drill / Side-Locking Drill Tip

CSJ Crown Drill Bit (5D, 27.00-27.99mm)

Product Short Description

The CSJ Crown Drill Bit is a high-performance, 5D indexable insert drill engineered for high-speed, deep-hole drilling. Featuring a secure front-locking body, a side-locking drill tip, and an integrated internal cooling system, it delivers exceptional precision, chip evacuation, and tool longevity in demanding industrial applications.

Product Overview

Designed for maximum efficiency and stability, the CSJ Crown Drill Bit redefines deep-hole drilling technology. Its robust front-locking body combined with a side-locking drill tip ensures rigid clamping, minimizing vibration even at high speeds. Equipped with internal cooling channels, this tool delivers coolant directly to the cutting edge, drastically reducing thermal stress and ensuring seamless chip evacuation. With its indexable design, it offers a cost-effective solution by allowing quick insert replacements without replacing the entire drill body.

Product Specifications (Parameters)

Key Product Functions & Benefits

• High-Speed Deep-Hole Drilling: Easily achieves a 5D drilling depth with superior hole straightness and surface finish.

• Advanced Thermal Management: Internal cooling channels lower cutting temperatures, preventing work hardening and extending tool life.

• Maximum Rigidity: The dual front-locking and side-locking mechanism guarantees high indexing accuracy and prevents insert displacement under heavy loads.

• Cost Efficiency: Indexable crown inserts mean lower tooling costs, minimized downtime, and rapid tool changeovers.

Target Applications & Industries

This versatile drilling tool is highly recommended for heavy-duty metalworking sectors requiring deep, large-diameter holes:

• Aerospace & Defense: Drilling high-strength alloys and structural components.

• Automotive Manufacturing: Heavy-duty engine blocks, transmission components, and chassis frames.

• Mold & Die Making: Creating deep core cooling channels with tight tolerances.

• Oil & Gas / Energy: Machining heavy piping, valves, and tube sheets for heat exchangers.

• General Mechanical Engineering: Processing medium-to-large steel structures, cast iron, and stainless steel parts.