Carbide roughing end mills
High-performance, serrated and long-neck solid carbide roughing end mills for high metal removal – with dimensions, hardness limits and 2026 catalogue cutting data.
Roughing is about removing a large volume of material quickly. Geppetto roughing series are Z4 and Z6 end mills with an approx. 45° helix, listed in the catalogue for up to <56 HRC. The table includes every series whose catalogue description mentions roughing.
Quick selection guide
- High-performance roughing: MC (Z6) and MC (Z4).
- Serrated (chip-breaker) profile: MRS (Z4/Z6).
- Long neck and deep pockets: MCL (Z4/Z6), MCX and MRC.
Get a quote / Send a drawing
Subject: Carbide roughing end mills. Message us on WhatsApp or by e-mail and attach your drawing or a dimensioned sketch. The product/page name is added automatically – just add material, size and quantity.
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Compare the series
| Series | Diameter | Z | Coating | Helix angle | Hardness | Cutting data · ISO P |
|---|---|---|---|---|---|---|
| MC (Z6)High-performance roughing end mills | Ø6 - Ø20 | 6 | TiSiN | ~45° | <56 HRC | n (rpm): 1200–5600 Vf (mm/min): 700–1900 |
| MC (Z4)High-performance roughing end mills | Ø6 - Ø20 | 4 | AlCrN | ~45° | <56 HRC | n (rpm): 1200–5600 Vf (mm/min): 700–1900 |
| MRS (Z4)Serrated (chip-breaker) roughing end mills | Ø6 - Ø20 | 4 | AlCrN | ~45° | <56 HRC | Vc (m/min): 65–230 fz (mm/tooth): 0.006–0.36 |
| MRS (Z6)Serrated (chip-breaker) roughing end mills | Ø6 - Ø20 | 6 | AlCrN | ~45° | <56 HRC | Vc (m/min): 65–230 fz (mm/tooth): 0.006–0.36 |
| MCL (Z4)Long neck roughing end mills | Ø3 - Ø16 | 4 | AlTiN | ~45° | <56 HRC | n (rpm): 500–2400 Vf (mm/min): 200–500 |
| MCL (Z6)Long neck roughing end mills | Ø6 - Ø20 | 6 | TiSiN | ~45° | <56 HRC | n (rpm): 500–2400 Vf (mm/min): 200–500 |
| MCX (Z4)Extra long roughing end mills | Ø3 - Ø12 | 4 | AlTiN | ~45° | <56 HRC | – |
| MRC (Z4)Long reach roughing, corner radius | Ø6 - Ø20 | 4 | TiSiN | ~45° | <56 HRC | – |
Values are starting recommendations; adjust them to machine rigidity, clamping, tool length and coolant.
MC Series
High-performance roughing end mills
MC Series (Z4)
High-performance roughing end mills
MRS Series (Z4)
Serrated (chip-breaker) roughing end mills
MRS Series (Z6)
Serrated (chip-breaker) roughing end mills
MCL Series (Z4)
Long neck roughing end mills
MCL Series (Z6)
Long neck roughing end mills
MCX Series
Extra long roughing end mills
MRC Series (Z4)
Long reach roughing, corner radius
Short video: manufacturing and regrinding
Solid carbide end mills, D32 · D52 · D82 internal coolant drills, reamers, custom step tools and regrinding on Walter Helitronic machines – a 32-second short video.
Frequently asked questions
Which series are suitable for roughing?
Our catalogue has 8 series for this application: MC (Z6), MC (Z4), MRS (Z4), MRS (Z6), MCL (Z4), MCL (Z6), MCX (Z4), MRC (Z4). Overall diameter range: Ø3–Ø20 mm.
Which coatings are available in these series?
The series on this page are available with: TiSiN (extreme hardness), AlCrN (wear resistance), AlTiN (high heat resistance).
What cutting data does the catalogue give for ISO P?
According to the Product Catalogue 2026 tables (min–max): MRS (Z4): Vc (m/min) 65–230, fz (mm/tooth) 0.006–0.36; MRS (Z6): Vc (m/min) 65–230, fz (mm/tooth) 0.006–0.36. Values are starting recommendations; adjust them to your machine, clamping and coolant.
Up to what hardness can these series be used?
Hardness limits in the catalogue: <56 HRC: MC (Z6), MC (Z4), MRS (Z4), MRS (Z6), MCL (Z4), MCL (Z6), MCX (Z4), MRC (Z4).
What is a serrated roughing end mill?
The MRS series is a roughing end mill with a serrated (chip-breaker) profile; the catalogue lists it in Z4 and Z6 versions for high metal removal, Ø6–Ø20.
How do I get a quote or send a drawing?
Use the “Get a quote / Send a drawing” section on this page to write to us on WhatsApp (+90 537 777 96 44) or by e-mail (info@geppetto-tr.com); you can attach your drawing. The product or page name is added to your message automatically. You can also use the quote form.
Get a quote / Send a drawing
Subject: Carbide roughing end mills. Message us on WhatsApp or by e-mail and attach your drawing or a dimensioned sketch. The product/page name is added automatically – just add material, size and quantity.
- 1Drawing or dimensions
- 2Material and quantity
- 3Quote and feasibility reply