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Carbide end mill specifications and dimensions
time：
2026-07-01 15:14
source：
Lizhou
Content:
- Carbide end mill specifications and dimensions
- 3mm End Mill Set
- 3mm Advantages and Disadvantages of End Mill Machining of Steel Workpieces
- 3mm What materials are end mills suitable for machining?
- FAQ on End Mills
3mm End mills are a versatile family of small-diameter cutters, ideally suited for precision CNC milling, engraving, and slotting. Whether you’re using them for aluminum… 2 Whether it’s a milling cutter or one intended for steel… 4 End mills—these tool sets all deliver high-precision machining results.
I. Specifications and Dimensions of Carbide End Mills
Before purchasing, please evaluate the following parameters to ensure compatibility with your machine, collet, and workpiece. The key specifications of carbide end mills primarily include the cutter diameter, shank diameter, cutting length, overall length, and number of flutes.
Main Parameters | Details | Note |
Tool diameter | It refers to the tool cutting the outer diameter, typically denoted by the tool’s model number, for example: 3mm End mill |
|
Shank diameter | Divided into equal-diameter and reduced-diameter types, with the main specifications as follows: |
|
Blade length | Standard blade length :6mm\8mm\10mm\12mm |
|
Total length | The total length is mostly 38mm\50mm\75mm\100mm |
|
Number of blades | The mainstream is 2 Blade, 4 Blade, suitable for niche scenarios 3 Blade. |
|
Lizhou Cemented Carbide 4 Dimensional Drawing of an End Mill
II. 3mm End Mill Set
Choosing the right tool set depends on your equipment and the materials you plan to cut:
- Carbide four-flute cutter set ( HRC55 ): Suitable for ferrous metals, stainless steel, and general-purpose CNC machining. These tools typically employ AITiN Coating to reduce friction and extend tool life.
- Single‑flute carbide tool set: Specifically engineered for machining soft materials such as acrylic, polycarbonate, aluminum, and wood. The single‑flute design delivers superior chip evacuation, preventing melting or built‑up edge.
- Carbide ball-nose cutter set: Specifically designed for 3D It is designed for contour machining, curved-surface machining, and the fabrication of complex molds, rather than for planar cutting.
III. 3mm Advantages and Disadvantages of End Mill Machining of Steel Workpieces
① Advantage :
- High precision, suitable for demanding operating conditions.
- Excellent rigidity, high hardness, and strong resistance to deformation.
- Wear-resistant and high-temperature resistant, with a stable service life.
- Excellent surface finish
②Disadvantages
- Poor impact resistance; heavy-load cutting is strictly prohibited.
- Chip evacuation space is limited.
- High requirements for machine tools and workholding.
- Processing efficiency is relatively low.
IV. 3mm What materials are end mills suitable for machining?
3mm Carbide end mills offer broad applicability; thanks to their high hardness, exceptional precision, and versatile designs, they can handle the vast majority of commonly used metal materials. By matching specific material types with corresponding cutting edge geometries and coatings, they deliver excellent machining performance. They are capable of machining steel materials ( 45# Steel, carbon steel, alloy steel, 40Cr、P20、718 (equivalent to ordinary mold steel), compatible with 4 Blade coating 3mm Carbide end mills are also well suited for soft non-ferrous metals such as aluminum and copper; they are especially recommended for use with pure aluminum and aluminum alloys. 2 Blade without coating / Specialized coating for aluminum use 3mm End mills feature sharp cutting edges and smooth chip evacuation.
V. FAQs on End Mills
Q1：3mm What causes frequent tool breakage when using end mills to machine steel parts, and how can it be resolved?
A: There are many root causes of tool breakage, such as excessive cutting parameters, poor chip evacuation, and machine‑tool vibration. Small‑diameter tools have low rigidity, and when machining steel, it is strictly prohibited to use large depths of cut or high feed rates.
Q2：3mm When milling aluminum parts, the cutter tends to stick to the workpiece and leave burrs—what should you do?
A: Aluminum parts have high stickiness and are difficult to chip away, so a change is required. 2 Aluminum-specific large-blade groove 3mm End mill.
Q3 : Likewise 3mm End mills: why does the surface finish vary so significantly?
A: Surface finish is determined jointly by the number of cutting edges, the coating, the edge‑finishing process, and the cutting parameters.
Q4：3mm How should you choose between straight‑shank and variable‑shank end mills?
Answer: For small-scale precision engraving and micro-machining, select 3mm With the same shank diameter, this steel‑workpiece finishing tool is designed for conventional machining centers, prioritizing clamping stability and minimizing vibration; it is recommended for limited applications. 6mm Tapered shank, offering greater rigidity and enhanced machining stability.
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