CSJ Crown Drill Bit, 4D Drill Diameter Range 11.50-11.99, Front-Locking Body with Internal Cooling for High-Speed Deep-Hole Drilling, Indexable Insert Drill / Side-Locking Drill Tip

$223.0000

The CSJ Crown Drill Bit (4D) is a high-performance, indexable deep-hole drilling solution designed for precision and speed. Featuring a cutting-edge front-locking body design and internal cooling channels, it ensures exceptional chip evacuation, reduced thermal wear, and maximum stability for diameter ranges from 11.50mm to 11.99mm.

Product Introduction

Engineered for demanding industrial machining, the CSJ Crown Drill Bit combines the cost-efficiency of indexable inserts with the rigid performance of solid carbide drills. Its innovative front-locking body and side-locking drill tip guarantee secure clamping and quick insert replacements, minimizing downtime. With a 4D depth capability and an integrated internal coolant system, this tool delivers superior hole quality and extended tool life in high-speed operations.

Product Parameters

Parameter	Specification
Brand / Series	CSJ Crown Drill Series
Drill Depth Ratio	4D (4 $\times$ Diameter)
Diameter Range	$\varnothing$ 11.50 mm – $\varnothing$ 11.99 mm
Clamping Type	Front-Locking Body / Side-Locking Drill Tip
Cooling System	Thru-Tool Internal Cooling (Through-Coolant)
Insert Type	Indexable / Replaceable Crown Insert

Product Key Features & Functions (作用)

Internal Cooling Technology: Delivers coolant directly to the cutting edge, drastically reducing heat and flushing out chips instantly during deep-hole drilling.
Front & Side Clamping System: Dual-locking mechanism ensures high rigidity, preventing insert displacement under high-torque, high-speed conditions.
High-Speed Efficiency: Optimized geometry allows for higher feed rates and cutting speeds compared to conventional drills.
Cost-Effective Indexable Design: No need for regrinding. Simply replace the crown tip to maintain brand-new cutting performance, saving operational costs.

Application Scenarios

This versatile drilling tool is widely used in heavy industries requiring high-precision deep holes, including:

Automotive Manufacturing: Drilling engine blocks, crankshafts, and transmission components.
Aerospace & Defense: Precision machining of high-strength alloy structural components.
Mold & Die Industry: Efficient creation of deep cooling channels in injection molds.
General Engineering & Machinery: High-efficiency batch hole-making in steel, cast iron, and alloy materials.