CSJ Crown Drill Bit, 3D Drill Diameter Range 21.00-21.99mm, Front-Locking Body with Internal Cooling for High-Speed Deep-Hole Drilling, Indexable Insert Drill / Side-Locking Drill Tip

$359.0000

The CSJ Crown Drill Bit is a high-performance, indexable insert drilling system engineered for high-speed, deep-hole drilling applications. Featuring an advanced front-locking body and integrated internal cooling channels, it ensures exceptional chip evacuation, reduced thermal buildup, and maximum stability. Designed for precision and longevity, this tool utilizes a secure side-locking drill tip mechanism to deliver superior hole quality and high efficiency in demanding machining environments.

Specifications

Parameter	Details
Product Type	Crown Drill Bit / Indexable Insert Drill
Drill Diameter Range	21.00 mm – 21.99 mm
Drilling Depth Ratio	3D (3 $\times$ Diameter)
Locking Mechanism	Front-Locking Body / Side-Locking Drill Tip
Cooling System	Internal Cooling (Thru-Coolant)
Operation Type	High-Speed, Deep-Hole Drilling

Applications & Uses

High-Speed Machining: Ideal for high-efficiency, high-speed drilling operations where fast cycle times and high feed rates are required.
Deep-Hole Drilling: Optimized for drilling holes up to 3 times the diameter (3D depth) while maintaining strict dimensional accuracy.
Excellent Chip Evacuation: The internal coolant holes force chips out of the hole efficiently, making it perfect for blind holes and sticky materials.
Industrial Manufacturing: Widely used in automotive, aerospace, mold and die, and heavy machinery industries for drilling steel, alloy, and cast iron.