Data Flute MHCR50750-030C11 WF 3/4in 5-Flute Carbide End Mill
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The Data Flute MHCR50750-030C11 WF (D63979) is a new, solid carbide, 5-flute square-end variable-helix end mill with a 3/4 in (0.750 in) cutting diameter and 3/4 in shank diameter, made in Pittsfield, MA, USA. The "MHCR5" designation identifies it as Data Flute's Multi-Helix Chipbreaker Rougher (5-flute) series; "0750" encodes the 0.750 in cutting diameter; "030" encodes a 3.0 in length of cut; "C11" specifies the 11° chipbreaker corner radius configuration; and "WF" denotes the AlTiN-based black PVD coating optimized for hardened steels and high-temp alloys. The variable-pitch flute geometry and chipbreaker profile reduce harmonics and chatter during heavy radial roughing passes, making this tool well-suited for high-metal-removal-rate (HMRR) roughing in steels up to ~55 HRC, stainless steels, titanium, and Inconel in CAT/BT/HSK and Weldon-flat toolholders accepting a 3/4 in shank. The Weldon flat on the shank (visible in photos) provides positive drive retention in set-screw-style toolholders.
Product Specifications
| Brand | Data Flute |
| MPN | MHCR50750-030C11 WF |
| Internal Part # | D63979 |
| Series | Multi-Helix Chipbreaker Rougher (MHCR) |
| Cutting Diameter | 3/4 in (0.750 in) |
| Shank Diameter | 3/4 in (0.750 in) |
| Number of Flutes | 5 |
| Length of Cut | 3.0 in |
| End Type | Square (Flat) End |
| Helix Type | Variable Helix |
| Chipbreaker | Yes — multi-helix chipbreaker profile |
| Corner Chamfer/Radius Code | C11 |
| Coating | AlTiN PVD (WF — black) |
| Shank Feature | Weldon Flat |
| Material | Solid Carbide |
| Country of Origin | USA (Pittsfield, MA) |
| Condition | New |