Share your favorite cutting speeds and feeds

One of the most common questions from beginners is about speeds and feeds. Let's create a resource thread where experienced makers can share their go-to settings for different materials and tool types.

Please format your tips like:

• Material: [e.g., 6061 Aluminum]
• Tool: [e.g., 1/4" end mill, 2-flute]
• Speed: [RPM]
• Feed: [IPM]
• Depth of cut: [inches/mm]
• Notes: [any special considerations]

This will be a great reference for the community!