Whatsapp:+8618682185732 insight002@insight-t.com
Swiss Lathe Collet Series
Professional and High-quality Collet Supplier, Offering Customized Services.
Swiss Lathe Collet.jpg
Swiss lathe collet.jpg
Carbide Small Boring Tool
Professional Grooving Boring Cutter Tool Engineered for Micro Boring and Fine Turning
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small boring tool.jpg
Carbide Drill
Reliable Drilling Solutions for Industrial Applications
carbide drill.jpg
carbide drill.jpg
Carbide Mills
Carbide End Mill & Carbide Thread Mills Custom & Wholesale Solutions for Precision Machining
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carbide end mills.jpg
Product
Turning Milling Drilling Threading Collets
Solution
Electronics & Precision Instruments
In the electronics and precision instruments industry, ultra-high accuracy, surface quality, and process stability are critical to product performance and reliability. Our CNC machining solutions are specifically engineered to meet these stringent requirements, delivering consistent precision, excellent surface finishes, and reliable tool life in high-volume and high-mix production environments.

Our application-driven approach enables us to analyze each customer’s machining conditions in detail, including material characteristics, tolerance levels, component geometry, and productivity targets. Based on this analysis, we recommend optimized tooling and machining strategies that improve cutting stability, minimize vibration, and ensure dimensional consistency. Even marginal improvements in machining accuracy and tool performance can significantly enhance yield rates and production efficiency.

With the increasing miniaturization of electronic components and the growing use of advanced materials such as copper alloys, aluminum alloys, stainless steels, ceramics, and engineering plastics, machining processes face new challenges. Through continuous innovation and flexible solution design, our tooling systems are capable of handling micro-scale features and complex geometries with exceptional repeatability.

By focusing on precision, stability, and long-term performance, our CNC machining solutions help manufacturers of electronics and precision instruments achieve higher productivity, reduced scrap rates, and a sustained competitive advantage in demanding global markets.
About Insight
CHENRI PRECISION PROFILE

Since 1982,INSIGHT, the private brand of Shenzhen Chenri Precision,Inc.,has been committed to introduce high precision & high effection system into the manufacturing industry.We produce a wide range of carbide turning tools, carbide end mills, carbide drills and cutting tools, covering most metal cutting applications.

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Blog
How Collets Improve Machining Accuracy and Tool Life
In modern precision machining, accuracy is never determined solely by the cutting tool. Whether the operation involves milling, turning, drilling, or boring, the tool holding system plays an equally decisive role. Among all holding mechanisms, the collet stands out for its unique combination of accuracy, stability, and versatility. A high-quality collet—whether an ER collet, a lathe collet, or a guide-bush collet—has the ability to noticeably enhance machining accuracy while extending overall tool life. For operations relying on boring cutters, micro end mills, or small-diameter drills, the collet becomes even more essential, as precision gripping directly influences cutting behavior and dimensional outcomes. 1.How Collets Increase Accuracy in Precision Machining Collets improve machining accuracy primarily through their uniform 360-degree clamping force. This symmetrical gripping method minimizes radial runout, ensuring the cutting tool rotates as close as possible to its true centerline. When runout is reduced to a minimal level, the cutting trajectory becomes cleaner, hole diameters are more consistent, and the machined surface is smoother. This is especially important for boring tools, where even a deviation of a few microns can affect the entire bore geometry. In industries like aerospace, medical manufacturing, and moldmaking, such precision is not optional—it is mandatory. Stable tool holding also reduces micro-vibrations, a common but often overlooked factor that affects accuracy. An unstable tool, even if displaced by only a few microns, generates irregular cutting forces that lead to poor surface finish, inconsistent tolerances, or dimensional drift during long machining cycles. A properly selected and well-maintained ER collet or lathe collet ensures the tool is supported evenly along its gripping surface, minimizing vibration and maintaining a predictable, repeatable cutting path. This benefit becomes even more pronounced during high-speed milling or deep-hole boring where the slightest instability
How to Choose the Right Boring Cutter for Precision Machining
In precision machining, few operations demand more stability and accuracy than internal hole finishing. Choosing the right boring cutter or boring tool is fundamental for ensuring concentricity, diameter accuracy, surface finish, and machining stability. These tools—commonly known as boring bars, internal boring tools, or precision boring cutters—are used not only to enlarge pre-machined holes but also to correct geometric errors and achieve fine tolerances. The process of selecting the correct boring cutter involves evaluating tool material, structural rigidity, cutting geometry, machine compatibility, and workpiece characteristics. For machining professionals, a well-chosen boring tool can significantly improve production efficiency, extend tool life, and reduce vibration-related defects. 2.Material Selection for Choosing the Right Boring Tool The material of the boring tool directly influences its durability, heat resistance, and cutting performance. Solid carbide boring cutters are the core choice in modern CNC machining because of their exceptional hardness and wear resistance. They maintain sharp cutting edges even in high-speed conditions and are ideal for stainless steel, alloy steel, hardened steel, and heat-resistant materials. High-speed steel (HSS) boring tools, though less rigid, offer greater toughness and accessibility, making them suitable for aluminum, copper, softer metals, or low-speed manual applications. In some cases, cermet-tipped boring cutters are preferred due to their ability to produce excellent surface finishes, especially when machining cast iron or low-carbon steels. Understanding these material differences helps machinists align their boring tool selection with specific machining challenges. 3.Rigidity and Overhang Considerations When Selecting a Boring Cutter One of the greatest challenges in internal machining is maintaining tool rigidity and preventing chatter. A boring cutter works deep inside a hole, whi