CSJ Crown Drill Bit, 7D Drill Diameter Range 24.00-24.99, Front-Locking Body with Internal Cooling for High-Speed Deep-Hole Drilling, Indexable Insert Drill / Side-Locking Drill Tip

Short Product Description

The CSJ Crown Drill Bit (7D) is a high-speed, high-precision indexable deep-hole drill engineered for demanding machining environments. Featuring a front-locking body, secure side-locking tip, and internal coolant supply, it provides superior chip evacuation, reduced cycle times, and extended tool life for drilling depths up to 7 times the drill diameter (7D).

Product Introduction

Designed for heavy-duty metalworking, the CSJ Crown Drill Bit delivers maximum rigidity and precise hole alignment in deep-hole drilling applications. Its front-locking mechanism coupled with a side-locking drill tip ensures fast, secure tip changes without removing the holder from the machine, significantly reducing downtime.

Equipped with internal cooling channels, the tool directs high-pressure coolant straight to the cutting edge, effectively suppressing heat build-up and blasting chips out of deep bores. The adjustable diameter range (24.00 mm – 24.99 mm) offers exceptional versatile modularity for medium-to-large hole opening projects.

Product Specifications

Key Functions & Features

• Efficient Deep-Hole Performance: Drills high-aspect ratio holes (up to 7D) in a single pass without pecking.

• Internal Coolant Delivery: Directs coolant to the cutting edge for instant chip breaking and lower thermal stress.

• Rapid Tool Changes: Front-locking and side-locking mechanism allows quick head replacements directly on the spindle.

• High Core Rigidity: Deflection-resistant body maintains accurate straightness and tight hole tolerances.

• Cost-Effective Indexability: Replace worn tips or inserts without disposing of the whole drill body.

Typical Application Scenarios

• Automotive Industry: Drilling engine blocks, crankshaft oil holes, and heavy transmission shafts.

• Aerospace & Defense: Machining structural steel, landing gear components, and heat-resistant alloy frames.

• Heavy Equipment & Mold Making: Deep hole processing in large dies, hydraulic cylinders, and pressure vessels.

• General CNC Machining: High-efficiency production lines utilizing CNC lathes, vertical/horizontal machining centers (VMC/HMC).