Beta: metal milling. Every number is sourced from the tool manufacturer's published data and linked to its source. Rows marked ⚠ carry a note about that row. Starting points only: verify against your tool's own chart.
Metal milling feeds & speeds
By material
Machines
- Haas VF-2: 8,100 rpm, 30 hp
- Haas Mini Mill: 8,000 rpm, 10 hp
- Haas UMC-750: 8,100 rpm, 30 hp
- Tormach 1100MX: 10,000 rpm, 2 hp
- Haas GR series gantry routers (Industrial router class)
Tool types covered
- Solid carbide end mills, general guideline (any flute count): Harvey Tool
- 3-flute carbide for aluminum (H35AL-3): Helical Solutions
- 2-flute carbide for aluminum (H45AL-2): Helical Solutions
- 4-flute variable-pitch carbide for steels, stainless, titanium (HSV-4): Helical Solutions
Not yet sourced, so not shown: coated (AlTiN/TiAlN/ZrN) specific charts, 2-/4-flute charts from manufacturers other than Helical. We don't fill gaps with estimates.
Sources
- Harvey Tool: General Machining Guidelines: Carbide End Mills (80 values, retrieved 2026-10-16)
- Helical Solutions (Harvey Performance): Speeds & Feeds H35AL-3 / H35AL-RN-3 (3 flute, 35° helix) (63 values, retrieved 2026-10-16)
- Helical Solutions (Harvey Performance): Speeds & Feeds H45AL-2 / H45AL-RN-2 (2 flute, 45° helix) (63 values, retrieved 2026-10-16)
- Helical Solutions (Harvey Performance): Speeds & Feeds HSV-4 / HSV-RN-4 / HSM-4 (4 flute, variable pitch) (405 values, retrieved 2026-10-16)
- Lakeshore Carbide: General Purpose End Mill Technical Data / Speeds & Feeds (42 values, retrieved 2026-10-16)
- Lakeshore Carbide: Variable Flute for Steel (VFS) speeds & feeds (14 values, retrieved 2026-10-16)
- Lakeshore Carbide: VFSS 5-flute stub: starting recommended speeds & feeds (42 values, retrieved 2026-10-16)
- OSG: Standard 2 Flute HSS-Co end mills: tech page (slotting) (297 values, retrieved 2026-10-16)
- OSG: Standard 4 Flute and 6 Flute HSS-Co end mills: tech page (side milling) (252 values, retrieved 2026-10-16)
- Accupro (MSC Industrial): General Purpose End Mills Recommended Speed and Feed (under and over 32 HRC) (96 values, retrieved 2026-10-16)
- Lakeshore Carbide: Carbide Roughers (variable helix): starting speeds and feeds (24 values, retrieved 2026-10-16)
- Lakeshore Carbide: Six Flute high-performance profiling mill (AlTiN coated) (18 values, retrieved 2026-10-16)
- Lakeshore Carbide: VFA technical data: Variable Flute for Aluminum speeds and feeds (16 values, retrieved 2026-10-16)
- YG-1: ALU-POWER HPC recommended cutting conditions (inch), 3-flute (72 values, retrieved 2026-10-16)
- SGS / Kyocera SGS Precision Tools: Series Z5, Z5CR fractional speed & feed recommendations (84 values, retrieved 2026-10-16)
- Sandvik Coromant: CoroMill Dura cutting data: Versatile 1-2 x D assortment (78 values, retrieved 2026-10-16)