Non-ferrous · ISO N
360 brass speeds and feeds
Also: C36000, CuZn36Pb3, free-cutting brass
Starting points from the same engines as the calculators, with no tool or setup picked. The first number is where to start; the range is what the manufacturer charts allow. Open a calculator for your tool, machine and cut.
Draft data: researched from manufacturer charts, not yet reviewed by a machinist.
Machining notes
- Grabs with positive rake: use a neutral or slightly negative top rake for drilling and forming.
Half hard110 HB
Turning
No sourced turning speeds for copper alloys yet.
Milling, solid carbide end mill
Speed 600 (400–1,000) SFM · 183 m/min
| Cutter Ø | IPT | mm/tooth |
|---|---|---|
| 1/8" | 0.00110.0010–0.0011 | 0.027 |
| 1/4" | 0.00210.0020–0.0022 | 0.053 |
| 1/2" | 0.00360.0030–0.0042 | 0.091 |
| 3/4" | 0.00630.0040–0.0085 | 0.159 |
| 1" | 0.00710.0050–0.0092 | 0.180 |
Drilling, Ø1/2" at 3×D
| Drill | SFM | Feed, IPR |
|---|---|---|
| HSS | 13989–300 | 0.01050.0061–0.0150 |
| Cobalt | 20990–300 | 0.01070.0075–0.0150 |
| Solid carbide, through-coolant | 513230–860 | 0.01500.0093–0.0210 |
Feeds scale with drill Ø (0.5" here): the drilling calculator sets them for yours.
Tapping
- Cut tap
- 55 (30–80) SFM
- Form tap
- 48 (30–90) SFM
Sources
- Sandvik Coromant — Workpiece materials (MC codes, kc1, mc)
- Harvey Tool — General machining guidelines, carbide end mills (SFM and chip load by diameter)
- 6G Tools — Carbide end mill speeds and feeds, general purpose, uncoated (incl. chip load factor)
- Kennametal — HARVI I TE: 5% radial / 2×D axial dynamic milling, 60% / 1.75×D side milling
- Uddeholm — Impax HiHard machining data: slot milling axial depth ≤ 1 × D
- Sandvik Coromant — Formulas and definitions for milling (net power)
- ISCAR — Machining titanium: average chip thickness hm = fz√(ae/d) at light engagement
- Redline Tools — Cobalt & HSS drills (p. 340) and coolant-fed solid carbide drills (p. 328): speeds and feeds
- Viking Drill & Tool — Recommended speeds and feeds for HSS drills
- Hertel (MSC) — High speed steel & cobalt drills: speeds and feeds
- Dormer Pramet (Precision Twist Drill) — R10/R15/R18 general purpose jobber drills: AMG speeds and feeds
- Sandvik Coromant — Drilling formulas and definitions (net power)
- YG-1 — HSS & cobalt drill parameters, and Carbide Dream Drills technical information
- Sutton Tools — Application guide: speeds & feeds, HSS and carbide drills (pp. 484–486)
- OSG — Carbide drills, lists 215/220D/200/233, and HY-PRO CARB coolant-through drills: drilling technical
- Ingersoll — WinTwist exchangeable-head drills: operating guidelines (NEW-393-2, pp. 9–10)
- Walter Titex — Technical compendium, holemaking 2024: cutting data for solid carbide drills
- OSG — HY-PRO and HY-PRO NRT taps: recommended tapping conditions
- Haas Tooling — Taps and roll taps: speeds and feeds by ISO material group