Tooling & Workholding

Milling Tools

Milling is the work of producing a flat or precision-contoured surface on a machined workpiece by using a rotating tool, and generally by taking multiple parallel passes with that tool. The work can be done on a machining center or milling machine, and can also be done on a lathe, turning center or turn-mill machine that happens to have rotary tool (or “live tool”) capabilities. The tools for milling include both solid tools and inserted tools—the latter consisting of a tool body that uses replaceable cutting inserts. Carbide is the most likely material for milling tools, though high speed steel is another choice, as are ceramic, cermet and diamond tools in certain more demanding milling applications. A common milling tool variety is the “end mill,” which generally describes a relatively narrow cylindrical tool that can mill on both its tip and its side, and can reach into various constrained features and spaces. The end mill can be flat-bottomed for flat surfaces, or ball-nosed for milling up, down and along the contours of complex milled shapes such as die and mold surfaces. Another common milling tool variety is the “face mill,” a generally larger-diameter tool designed for efficiently milling a wide, flat surface in an economical number of passes.

» Titanium and HRSA Machining

Machine Tool Database

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Featured Zone Content

Video: Hard Pocket Milling


Relieved end mills and pre-machining of corners are two important considerations for accurate pocket machining in hard steel.



Haimer Power Mill F1304NN

End Mills Provide Stability for Lower Speed Machining

By: Jedd Cole
Designed for stainless and general steels, Haimer’s Power Mill F1304NN-series end mill combines a variable-helix flute geometry with a roughing cord profile for more stable milling in machines with limited horsepower.

DW Sales Melin Tool

Micro Carbide End Mills Available in Range of Styles

By: Jedd Cole
D.W. Sales will showcase Melin Tool’s line of micro carbide end mills, suited for titanium and aluminum alloys, graphite, steel, and stainless alloys of hardness less than 40 HRC.

Sandvik Coromant CoroMill 390

End Mill with Smaller Inserts Reliably Roughs, Finishes

By: Jedd Cole
Sandvik Coromant offers its CoroMill 390 end mill with size 07 inserts, making it ideal for shoulder milling, edging, linear and helical ramping, plunge milling, slot milling, and face milling.

OSG Phoenix PFB

Indexable Ballnose End Mills Produce Precise Finishes

By: Jedd Cole
OSG will showcase a variety of tools, including the Phoenix PFB indexable ballnose end mill, which offers radius tolerance of 6 microns for high precision, surface finish and tool life in finishing operations.

UBT-T4 Universal Single Roll Burnishing Tool Offers Compact Design

By: Lori Beckman
This turning holder-style tool is designed for, but not limited to, use on multi-spindle automatic and screw machines.


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