Micro 100 MMBM-020-20 0.020in 2-Flute Carbide Ball End Mill
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The Micro 100 MMBM-020-20 is a new, solid "super carbide" miniature ball end mill manufactured in the USA, featuring a 0.020 in (0.508 mm) ball nose cutting diameter with a 2-flute geometry and an extended reach neck on a 3/16 in (0.1875 in) straight shank. Decoded from the part number: MMBM = Micro 100 Miniature Ball Mill, 020 = 0.020 in ball radius (cutting diameter), 20 = 0.020 in cutting diameter confirmation / flute length designation; the tool carries Micro 100's standard AlTiN-equivalent dark PVD coating visible in the photos, providing elevated hardness and heat resistance for dry or near-dry micro-milling. The extended neck design provides deep reach into cavities and mold features while maintaining rigidity, making this tool suited for finishing passes in hardened steels, stainless, titanium, and non-ferrous alloys on CNC machining centers and high-speed spindle applications requiring sub-millimeter ball radii.
Product Specifications
| Brand | Micro 100 |
| Part Number (MPN) | MMBM-020-20 |
| Series | MMBM – Miniature Ball End Mill |
| Material | Solid Carbide (Super Carbide) |
| Coating | Dark PVD (AlTiN-type) |
| Cut Diameter | 0.020 in (0.508 mm) |
| Ball Radius | 0.010 in (0.254 mm) |
| Number of Flutes | 2 |
| Shank Diameter | 3/16 in (0.1875 in) |
| End Type | Ball Nose |
| Country of Origin | USA |
| Condition | New |