Promax 86146412 119-034010 3/4in 3-Flute ZrN Roughing/Finishing Carbide End Mill
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This is a new Promax 119-034010 solid carbide end mill ground in the USA, sized 3/4 in cutting diameter with a 3/4 in shank, 1 in length of cut, and 3-5/8 in overall length. The tool features three flutes with a combined roughing-and-finishing geometry (serrated/chipbreaker flutes on the periphery with a finishing-quality end face) and a 0.030 in corner radius, purpose-built for aluminum and non-ferrous alloy machining. It is coated with ZrN (zirconium nitride), a gold-colored coating that reduces built-up edge on aluminum, improves lubricity, and extends tool life compared to uncoated carbide. The 3/4 in straight shank is compatible with standard ER, Weldon, and hydraulic toolholders accepting 3/4 in bore. The part number is also referenced on the bag label as 86146412 (distributor/kit number) with the description string 3/4X3/4X1-5/8X4 .03R 3FL CRB ZRN RGH/FIN F/ALM, which fully corroborates all decoded specifications.
Product Specifications
| Brand | Promax |
| Manufacturer Part Number | 119-034010 |
| Distributor / Bag Part Number | 86146412 |
| Country of Manufacture | USA |
| Cutting Diameter | 3/4 in (0.750 in) |
| Shank Diameter | 3/4 in (0.750 in) |
| Length of Cut | 1 in |
| Overall Length | 3-5/8 in (3.625 in) |
| Number of Flutes | 3 |
| Corner Radius | 0.030 in |
| End Style | Corner Radius (Bull Nose) |
| Flute Geometry | Roughing/Finishing (serrated periphery) |
| Substrate | Solid Carbide |
| Coating | ZrN (Zirconium Nitride) |
| Coating Color | Gold |
| Primary Application | Aluminum & non-ferrous alloys |
| Shank Style | Straight |
| Helix Angle | High helix (visible in photo, ~45°) |
| Condition | New |