MPR Series (Z4)
Plain cutting edge, polished
Materials / applications
- PUnalloyed steels
- PFree-machining steels
- PLow-alloy steels
- MStainless steels
- KCast iron
| Product group | Solid Carbide End Mill |
|---|---|
| Diameter range | Ø3 - Ø20 |
| Number of flutes (Z) | 4 |
| Coating | AlTiN |
| Helix angle | 35° |
| Workpiece hardness | <48 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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Cutting data, materials and coating
Suitable workpiece materials
- PISO P · Steel
- MISO M · Stainless
- KISO K · Cast iron
- SISO S · Heat-resistant
- HISO H · Hardened
Workpiece hardness: <48 HRC
Coating
AlTiN (high heat resistance)
Recommended cutting data ranges
| ISO group | n (rpm) | Vf (mm/min) |
|---|---|---|
| P Steel | 1100–21000 | 350–2240 |
| M Stainless | 1100–14000 | 260–1060 |
| S Heat-resistant | 400–4800 | 60–260 |
| H Hardened | 480–9600 | 120–450 |
Values are starting recommendations; adjust them to machine rigidity, clamping, tool length and coolant.
Frequently asked questions
Which materials is MPR Series (Z4) suitable for?
MPR Series (Z4) is used in ISO material groups P/M/K/S/H: Steel, Stainless, Cast iron, Heat-resistant, Hardened. Workpiece hardness: <48 HRC.
Which diameters and flute counts does MPR Series (Z4) come in?
MPR Series (Z4) is available in Ø3 - Ø20 with Z4 flutes. Other sizes can be made to drawing.
Which coating does MPR Series (Z4) have?
MPR Series (Z4) coating: AlTiN (high heat resistance).
What are the recommended cutting speed and feed for MPR Series (Z4)?
Geppetto Product Catalogue 2026 (p. 147): ISO P: n 1100–21000 rpm, Vf 350–2240 mm/min; ISO M: n 1100–14000 rpm, Vf 260–1060 mm/min; ISO S: n 400–4800 rpm, Vf 60–260 mm/min; ISO H: n 480–9600 rpm, Vf 120–450 mm/min. These are starting values; use the calculator to get spindle speed and feed for your diameter.
Can MPR Series (Z4) be reground?
Yes. Geppetto offers CNC regrinding, Drag Finish edge preparation and PVD recoating for carbide end mills, drills and reamers.
