1/2 Inch Shank 4 Flute Ball End Mill, Stainless Steel, ACO Finish, Precision Tolerance, Heavy-Duty High Hardness Cutting 55-65HRC, High Speed Low Feed, Vibration-Reducing U-Flute Design, For General and Hard Material Milling

1/2-Inch Shank Ball End Mill, 4-Flute U-Flute Single piece
✔️ Stainless ACO finish, 55-65HRC, high-speed, low-feed

This 1/2 inch shank, 4-flute ball end milling cutter is designed for hard material milling, commonly used in stainless steel and other tough metals for finishing and contouring tasks.

✅ Shank size: 1/2 inch
✅ Flutes: 4-flute ball end with U-Flute design to reduce vibration
✅ Diameter tolerance: 0 to -0.02
✅ Finish: ACO on stainless steel
✅ Hardness compatibility: 55-65HRC, high-speed low-feed recommended

💡 What is a ball end mill used for in hard material milling and how do you select the right one? This handy cutting tool is used for shaping 3D contours and finishing surfaces in hard metals.

- Contouring pockets, fillets, and complex surfaces in stainless steel and other tough metals
- Choose the right shank size (1/2 inch) and flute design to balance stability and chip evacuation
- Look for a high hardness rating (55-65HRC) and tight diameter tolerance (0 to -0.02)
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