Advanced end mills for modern aluminum machining
Transform your aluminum and nonferrous metal machining with our innovative end mills. Discover the difference.Part of the Stabilizer™ family, the ST4531, ST4521, and ST4321 are versatile milling tools designed for efficient machining of aluminum and other nonferrous metals. These tools focus on reducing power consumption, minimizing vibration and chatter, and providing reliable performance across a range of milling applications. Whether you’re looking to lower energy costs, achieve smoother finishes, or use one tool for multiple tasks, this range offers practical solutions for common challenges in aluminum machining.
Use your power efficiently
The ST4531, ST4521, and ST4321 are designed to use less power – about 20% less than typical tools. This means they can handle conventional and advanced milling strategies in aluminum with less strain on your machines.
The tools also help achieve good surface finishes and longer tool life, which can be useful for shops looking to reduce downtime and energy costs.
Your challenge: Machining nonferrous metals like aluminum often requires a lot of spindle power, creating limitations on some machines with insufficient torque and horsepower, leading to increased cycle times and higher energy bills.
Our solution: These end mills are built to lower power requirements, making it easier to run high-speed machining jobs without overloading equipment.
Made to reduce vibration and chatter
With features like a cylindrical margin and polished K-Land, these milling cutters for aluminum are made to reduce vibration and chatter. This helps with chip evacuation and keeps the surface finish consistent.
The special coating also helps prevent material from sticking to the tool, which can extend tool life.
Your challenge: Vibration and poor chip removal can cause rough finishes and shorten tool life, especially in aluminum milling.
Our solution: The tool design focuses on stability and chip control, so you get smoother results and less frequent tool changes.
Versatile in many applications
These tools are suitable for a range of tasks including side milling, slotting, face milling, profile milling, and advanced roughing. They’re used in industries like aerospace, automotive, and general engineering, wherever nonferrous metals are common.
Your challenge: Finding one tool that works well for different types of aluminum and nonferrous metal machining can be tough.
Our solution: The ST4531, ST4521 and ST4321 are made to handle a variety of applications, so you don’t need to switch tools as often.
| ST4521 | ST4531 | ST4321 |
| Tool type: | Universal | Universal | Ballnose |
Ø range:
| 3 - 20 mm
1/8” - 1” | 3 - 20 mm
1/8” - 1” | 2 - 20 mm
1/4” - 3/4” |
Tip shape:
| Square / Radius / Chamfer | Square / Radius / Chamfer | Ballnose |
| Radius range: | 0.5 - 3 mm / NA | 0.5 - 1 mm / 0.010” - 0.190” | N/A |
| Number of flutes: | 2
| 3
| 2
|
| Grade: | AXT / Uncoated | AXT / Uncoated | AXT |
| Length availability: | 1 / 2 / 3 / 4 / 5 / 6
| 1 / 2 / 3 / 4 / 5 / 6 / 7
| 1 / 2 / 3
|
| Number of items: | Metric: 26
Imperial: 54 | Metric: 27
Imperial: 226 | Metric: 16
Imperial: 8 |
Application:
| Slot / Side / Plunge / Ramp / Helical interpolation | Slot / Side / Plunge / Ramp / Helical interpolation | Slot / Side / Plunge / Ramp / Helical interpolation / Profiling |
| Material: | Nonferrous metals | Nonferrous metals | Nonferrous metals |
Tips and tricks
Increase your speeds and feeds
Maximum feed rates can result in chatter, vibration, or harmonics. The carefully designed geometries of the Stabilizer™ series enable a reduction in power consumption and cutting pressure while increasing chip control. So, you can increase speeds and feeds and reduce your cycle times without affecting surface quality.
The toolholder makes a difference
Use a quality power milling chuck, high precision collet chuck, or heavy duty shrink fit holder to get the most out of your tooling. Tool holder selection helps to ensure consistent tool life, enhance surface finish quality, maintain tight tolerances and overall throughput. Don’t forget your preventative maintenance on these components either.
Choose the right coolant
Significant heat generation due to friction can be dissipated with the right coolant, reducing the risk of thermal deflection in your workpiece and extending tool life. Built-up-edge often results from the adhesive nature of aluminum, so choose a coolant with proper lubricity to help prevent material adhesion and maximize the effectiveness of chip removal.
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