CSJ Crown Drill Bit, 6D Drill Diameter Range 8.00-8.49, Front-Locking Body with Internal Cooling for High-Speed Deep-Hole Drilling, Indexable Insert Drill / Side-Locking Drill Tip

Product Overview

Short Description

The CSJ Crown Drill Bit (6D, Ø8.00–8.49mm) is a premium high-speed indexable insert drill engineered for deep-hole applications. Featuring an advanced front-locking body, a side-locking drill tip, and integrated internal cooling, it delivers exceptional stability, rapid chip evacuation, and maximum precision for challenging machining tasks.

Product Introduction

Engineered for industrial-grade efficiency, the CSJ Crown Drill Bit redefines high-speed, deep-hole drilling. Designed with a 6D depth-to-diameter ratio and a specialized Ø8.00mm to Ø8.49mm range, this tool minimizes deflection while maintaining rigid performance.

Its innovative front-locking body paired with a side-locking drill tip ensures seamless insert alignment and secure clamping under extreme torque. Equipped with dual internal cooling channels, it delivers high-pressure coolant directly to the cutting edge, drastically reducing heat buildup and extending tool life. Whether you are operating CNC milling machines or heavy-duty lathes, the CSJ Crown Drill delivers unparalleled reliability and flawless surface finishes.

Product Parameters (Specifications)

Product Functions & Benefits (Product Action)

• High-Speed Deep-Hole Machining: Easily achieves a 6D drilling depth with minimal vibration and high dimensional accuracy.

• Advanced Internal Cooling: Through-body coolant delivery lowers cutting temperatures, prevents thermal deformation, and flushes out chips rapidly to avoid jamming.

• Dual-Locking Stability: The combination of a front-locking mechanism and side-locking tip provides maximum rigidity, eliminating insert micro-movements during high-feed operations.

• Cost-Efficient Indexable Design: Easily swap out worn crown tips without replacing the entire drill body, significantly reducing tooling costs and downtime.

Application Scenarios

The CSJ Crown Drill Bit is highly versatile and optimized for heavy-manufacturing industries, including:

• Automotive Manufacturing: Drilling deep engine block oil holes, crankshafts, and transmission components.

• Aerospace & Defense: Precision machining of high-strength alloy brackets and structural components.

• Mold & Die Industry: Efficient creation of deep water cooling lines and ejector pin holes in heavy mold bases.

• General Engineering: High-efficiency batch drilling in steel structures, valves, and heavy machinery parts.

• Material Compatibility: Ideal for Carbon Steel, Alloy Steel, Cast Iron, and Stainless Steel.