Solid Carbide Flat End Mill for CNC Machining

A flat end mill has a flat cutting end and sharp outer corners. It produces flat-bottom features, straight side walls, slot, tasche, passi, and square shoulders. Many buyers also use the term square end mill for the same general end profile.

Learn more about the tool profile, bordi taglienti, and working principles in our guide to flat end mill geometry and cutting action.Learn more about flat end mill geometry and cutting action.

We supply solid carbide flat end mills in standard metric and inch sizes. Inoltre, we can evaluate custom cutting diameters, flute lengths, overall lengths, shank sizes, conta il flauto, carbide grades, rivestimenti, and tolerances according to your drawing and machining requirements.

Caratteristiche principali

Flat Bottom and Sharp Cutting Corners

The flat end profile creates a level bottom surface and a clear transition between the bottom and side wall. Perciò, it suits components that require flat-bottom slots, square pockets, straight walls, passi, or near-90-degree shoulders.

Sharp corners carry more cutting stress than rounded corners. Per questo motivo, the carbide grade, preparazione dei bordi, rivestimento, sporgenza dell'utensile, and cutting parameters should match the workpiece material and machining conditions.

Solid Carbide Construction

Solid carbide provides good rigidity, resistenza all'usura, e stabilità dimensionale. It also supports precise flute geometry and sharp cutting edges.

Di conseguenza, the tool can maintain accuracy during slotting, pocketing, fresatura laterale, fresatura di spallamenti, e rifinitura. Tuttavia, a rigid machine setup and short tool overhang help reduce vibration and corner damage.

Multiple Flute Options

Different flute counts provide different balances between chip space, rigidità dell'utensile, efficienza di taglio, e finitura superficiale.

Two- and three-flute designs provide more chip space. Perciò, they often suit aluminum, rame, plastica, materiali morbidi, deep slots, and applications that create a large volume of chips.

Four-flute designs provide more cutting edges and greater rigidity. They suit many steel, acciaio inossidabile, and general CNC machining applications.

Six-flute designs can improve cutting stability and surface quality during side milling and finishing. Tuttavia, they provide less chip space and are not usually the first choice for heavy full-width slotting.

Coated and Uncoated Options

Uncoated or polished cutting edges often suit aluminum, rame, e altri materiali non ferrosi. These options can help reduce material adhesion and built-up edges.

Coated tools can improve heat resistance and wear resistance when machining steel, acciaio inossidabile, ghisa, acciaio legato, and harder materials. The final coating should match the workpiece material, durezza, condizione del liquido di raffreddamento, e operazione di lavorazione.

Application Guide

See the main flat end mill applications in CNC machining, including slotting, pocketing, fresatura laterale, fresatura di spallamenti, and entry methods.

Per alluminio, materiali morbidi, and deep slots, fewer flutes usually provide better chip evacuation. Review our 2 fresa a candela a flauto for these applications.

For a detailed guide to slotting, pocketing, fresatura laterale, fresatura di spallamenti, plunging, and entry methods, read about flat end mill applications in CNC machining.

Per acciaio, acciaio inossidabile, e fresatura CNC generale, a four-flute design often provides a practical balance between rigidity, cutting-edge strength, and chip control. Review our 4 fresa a candela a flauto.

For side milling, semifinitura, e rifinitura, a six-flute design can improve stability and surface quality. Tuttavia, it offers less chip space and is not usually the first choice for heavy slotting. See our 6 fresa a candela a flauto.

Choosing by Workpiece Material

The final recommendation depends on the material grade, durezza, larghezza di taglio, profondità di taglio, condizione del liquido di raffreddamento, rigidità della macchina, e la finitura superficiale richiesta. Perciò, please provide the exact workpiece material and hardness when requesting a quotation.

Center-Cutting and Entry Methods

Entry capability depends on the exact end-cutting geometry and tool design. Some flat end mills support controlled plunging, ramping, or helical interpolation, while other designs require side entry or an existing hole.

Ramping or helical entry usually reduces cutting shock and improves chip evacuation. Perciò, please tell us whether the tool will enter by vertical plunging, ramping, side entry, or an existing hole.

Size and Custom Options

Available options may include:

• Metric or inch cutting diameter
• Standard, short, long, or custom flute length
• Lunghezza totale standard o personalizzata
• Standard or custom shank diameter
• Neck diameter and neck length
• 2, 3, 4, 6, or custom flute count
• Geometria a taglio centrale
• Standard or custom helix angle
• Sharp or prepared cutting edge
• Non rivestito, polished, or application-specific coating
• Dimensional tolerance according to the drawing

For non-standard diameters, special lengths, custom necks, or application-specific geometry, review our custom end mills service.

Flat End Mill vs Other End Profiles

Fresa a punta tonda vs fresa a testa piatta

A flat end mill has sharp corners for square shoulders and flat-bottom features. Al contrario, a bull nose end mill keeps a flat center section but adds corner radii.

The radii strengthen the cutting corners and create a smoother transition between the bottom and side wall. Tuttavia, they cannot produce the same sharp internal corner as a flat end profile.

Read the complete fresa a punta toro vs fresa piana comparison before selecting the end profile.

For parts that require stronger corners or a specified corner radius, review our fresa a candela a testa tonda.

Ball Nose vs Flat End Mill

A ball nose end mill has a fully rounded cutting end for molds, muore, superfici curve, and three-dimensional contours.

In comparison, a flat end profile is better suited to slots, tasche, straight walls, flat surfaces, and square shoulders. For curved and three-dimensional machining, review our Frese a candela a testa sferica.

Frequently Asked Questions

Is a flat end mill the same as a square end mill?

In many cutting tool catalogs, flat end mill and square end mill describe the same general end profile: a flat cutting end with sharp outer corners. Tuttavia, naming may vary between manufacturers and markets.

Can a flat end mill plunge into solid material?

A center-cutting flat end mill can perform controlled plunging, ramping, or helical entry. A non-center-cutting tool cannot plunge vertically into solid material.

Which flute count should I choose?

Two or three flutes provide more chip space for aluminum, materiali morbidi, and deep slots. Four flutes suit many steel and general machining applications, while six flutes work well for stable side milling and finishing.

Can you manufacture custom flat end mills?

Sì. We can evaluate custom diameters, flute lengths, overall lengths, shank sizes, conta il flauto, rivestimenti, and tolerances according to your drawing and machining requirements.

Send Your Flat End Mill Inquiry

Please send us your required size, conteggio dei flauti, materiale del pezzo, e quantità. If you have a drawing, feel free to attach it.

E-mail: sales@cutterbest.com

Specification Options