A solid end mill is the general-purpose milling cutter CAM Assist uses for roughing and finishing walls, floors and pockets.
ℹ️ Every tool also shows Name, Description, Tool type, Allowed uses and Allowed stock materials above the geometry sections — see the overview.
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Use this key to understand what each input value controls on the tool.
1. Diameter (DC)The full diameter of the cutting portion of the tool.
2. Depth of cut maximum (APMX)The maximum axial cutting length available. From the tool tip up to the end of the cutting portion.
3. Flute count (ZEFP)
The number of cutting flutes (cutting edges) on the tool.
4. Corner radius (RE)The radius on the bottom cutting corner of the tool.
5. Overall length (OAL)The full physical length of the tool from the tip to the machine-side end.
6. Connection diameter machine side (DCONMS)The diameter of the machine-side shank that fits into the holder or spindle.
7. Protruding length (LPR)The length the tool protrudes from the holder in an assembly (stickout).
8. Usable length (LU)The usable reach of the tool before the shank or shoulder may interfere. Usable length (LU) determines the maximum reach of the tool in the axial direction before the shank or shoulder interferes with the workpiece. If the cutter is not reaching the bottom of a pocket or against a wall, it is typically because the usable length is insufficient.
9. Neck diameter (DN)The diameter of the reduced neck (relief) section behind the cutting portion for clearance.
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Main cutting geometry
The dimensions that matter most — get these to match the real tool.
Diameter DC
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The cutting diameter. One of the biggest drivers of feeds, speeds and stepover. |
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Depth of cut maximum APMX
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The deepest the tool can cut in a single axial pass; usually the flute length. CAM Assist won't engage deeper than this in one pass. |
Flute count ZEFP
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Number of cutting edges around the periphery. Directly scales the feed rate, so a wrong value gives unrealistic feeds. |
| Corner style | The shape of the cutting corner: Square, Radius or Chamfer. Changes how the tool finishes floors and internal corners. The fields below appear depending on the choice. |
Corner radius RE Radius |
The rounding at the tool tip; important for accurate floors and fillets. |
Corner chamfer angle KCH Chamfer |
The angle of the corner chamfer. |
Corner chamfer width CHW Chamfer |
The width of the corner chamfer. |
Non-cutting geometry
Parts of the tool that don't cut but affect reach and collision checking.
Overall length OAL
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Total length from the holder face to the tip. |
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Connection diameter machine side DCONMS
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The shank/connection diameter where the tool meets the holder; used for holder fit and clearance. |
Protruding length LPR
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The tool's default protruding length (stickout). Assemblies can override this with their own stickout. |
Relief / shank geometry
The cutting reach and the body below the flutes — used for gouge and collision avoidance.
Usable length LU
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The length of tool below the holder that can be brought into the cut. |
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| Shank mode | Basic for a simple neck/shank, or Advanced to define a stepped body profile. |
Neck diameter DN Basic |
The reduced diameter of the neck behind the flutes, for clearance in deep features. |
| Body segments Advanced | A multi-step profile (diameters, lengths and taper angles) for tools whose body isn't a simple cylinder. |
Tool materials
Tool material BMC
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The cutter substrate (e.g. carbide, HSS). Helps CAM Assist judge rigidity and suitable cutting data. |
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Coating property CTP
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Whether the tool is coated. |
Coating COATN
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The coating name/designation, if any. |
Grade identification GRDID
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The manufacturer's grade, for finer material matching. |
Supplementary cutting geometry
Finer details that refine CAM Assist's parameter choices when you have them.
Flute helix angle FHA
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The helix angle of the flutes. |
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Rake angle radial GAMF
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The radial rake angle of the cutting edge. |
Coolant supply CSP
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Whether the tool has through-tool coolant. |
Chip breaker CBMD
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The chip breaker's manufacturer designation, if fitted. |
Connection code type machine side CCTMS
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The standardised connection/interface code on the machine side. |
Optional details
Mostly for traceability — useful, but not required for CAM Assist to run.
Manufacturer BRAND
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Tool maker. |
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Manufacturer part number DES
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Catalogue/part number. |
Tool assembly length LTA
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Overall length of the assembled tool. |
Shank length LS
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Length of the shank. |
Functional length LF
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Functional length of the tool. |
Flute length LCF
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Length of the fluted (chip) section. |
Face effective cutting edge count ZEFF
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Number of cutting edges effective on the end face (for plunging/facing). |
Head length LH
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Length of the cutting head. |
Clamping length machine side LSCMS
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Length clamped in the holder on the machine side. |
Cutting pitch differential CPDF
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Whether the flutes use variable (differential) pitch. |
Ramping angle maximum RMPX
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The steepest ramp angle the tool can plunge at. |
Cutting edge centre count ZNC
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Number of edges that reach the centre (affects plunging). |
Profile radius PRFRAD
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Radius of a profiled cutting form, if any. |
Center point of the profile radius, z-direction CPRADZ
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The z-position of that profile radius's centre. |