MCL Series (Z4)
Long neck roughing end mills
Materials / applications
- PUnalloyed steels
- PFree-machining steels
- PLow-alloy steels
- MStainless steels
- HHardened materials
| Product group | Solid Carbide End Mill |
|---|---|
| Diameter range | Ø3 - Ø16 |
| Number of flutes (Z) | 4 |
| Coating | AlTiN |
| Helix angle | ~45° |
| Workpiece hardness | <56 HRC |
See the product catalogue for dimension tables and order codes. Contact our technical team for special dimensions and tolerances.
Calculate speed and feed for this end mill →
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Dimensions and order codes
Values are taken from the table in the Geppetto product catalogue; dimensions in mm. For a quotation, send the order code and quantity.
Scroll the table sideways ↔
| Order code | d1 h10 | l1 | l2 | d2 h6 | C | Z |
|---|---|---|---|---|---|---|
| MCL-0304-AT | 3 | 75 | 15 | 3 | - | 4 |
| MCL-0404-AT | 4 | 75 | 20 | 4 | - | 4 |
| MCL-0504-AT | 5 | 75 | 25 | 5 | 0.15x45° | 4 |
| MCL-0604-AT | 6 | 100 | 30 | 6 | 0.2x45° | 4 |
| MCL-0804-AT | 8 | 100 | 40 | 8 | 0.25x45° | 4 |
| MCL-1004-AT | 10 | 100 | 45 | 10 | 0.25x45° | 4 |
| MCL-1204-AT | 12 | 100 | 45 | 12 | 0.25x45° | 4 |
| MCL-1404-AT | 14 | 100 | 45 | 14 | 0.25x45° | 4 |
Cutting data, materials and coating
Suitable workpiece materials
- PISO P · Steel
- MISO M · Stainless
- HISO H · Hardened
Workpiece hardness: <56 HRC
Coating
AlTiN (high heat resistance)
Recommended cutting data ranges
| ISO group | n (rpm) | Vf (mm/min) |
|---|---|---|
| P Steel | 500–2400 | 200–500 |
| H Hardened | 330–1400 | 120–250 |
Values are starting recommendations; adjust them to machine rigidity, clamping, tool length and coolant.
Frequently asked questions
Which materials is MCL Series (Z4) suitable for?
MCL Series (Z4) is used in ISO material groups P/M/H: Steel, Stainless, Hardened. Workpiece hardness: <56 HRC.
Which diameters and flute counts does MCL Series (Z4) come in?
MCL Series (Z4) is available in Ø3 - Ø16 with Z4 flutes. Other sizes can be made to drawing.
Which coating does MCL Series (Z4) have?
MCL Series (Z4) coating: AlTiN (high heat resistance).
What are the recommended cutting speed and feed for MCL Series (Z4)?
Geppetto Product Catalogue 2026 (p. 140): ISO P: n 500–2400 rpm, Vf 200–500 mm/min; ISO H: n 330–1400 rpm, Vf 120–250 mm/min. These are starting values; use the calculator to get spindle speed and feed for your diameter.
Can MCL Series (Z4) be reground?
Yes. Geppetto offers CNC regrinding, Drag Finish edge preparation and PVD recoating for carbide end mills, drills and reamers.
