What RCMT 10T3M0 means, letter by letter: round, positive, 7° clearance, tolerance M, 40–60° countersunk hole, chipbreaker one side. Inscribed circle 10 mm, thickness 3.97 mm, metric round, no nose radius.
R1C2M3T4105T36M07
1 · SHAPERoundR
2 · CLEARANCE7°C
3 · TOLERANCEClass Mmedium, pressed
4 · TYPET40–60° countersunk hole, chipbreaker one side
5 · SIZE10inscribed Ø 10 mm
6 · THICKNESS3.97 mmT3
7 · ROUNDmetric round, no nose radiusM0
To scale: top view with the inscribed circle (blue dashes) and, on the right, the side view with the thickness. The grey dashes mark the chipbreaker; its real shape is up to the manufacturer.
RCMT 10T3M0 dimensions
Inscribed circle IC
10 mm
Thickness s
3.97 mm
Clearance angle
7°
Tolerance M
thickness ±0.13 mm
What RCMT 10T3M0 tells you on the shop floor
Round insert: maximum strength and many cutting positions. Heavy roughing and tough materials.
Positive insert (7°): lower cutting forces and less chatter. For finishing, boring, thin-walled parts and lighter machines.
Pressed, medium tolerance: economical, fine for roughing and where you do not need repeatability to a few hundredths of a mm at every insert change.
Typical holders for RCMT
For a positive round insert the most common ISO 5608 holders are:
SRDCN
The final R or L means right or left hand. Shank size, length and the exact clamping are in the manufacturer's catalogue.
Designation to ISO 1832; reference tables: Mitsubishi Materials turning catalogue (insert identification). Holders to ISO 5608. Chipbreaker, grade and cutting data differ between manufacturers: the catalogue of the insert you use is what counts.
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RCMT 10T3M0: round, positive, 7° clearance, tolerance M, 40–60° countersunk hole, chipbreaker one side. Inscribed circle 10 mm, thickness 3.97 mm, metric round, no nose radius.
What is the inscribed circle of RCMT 10T3M0?
10 mm.
Which holder takes RCMT 10T3M0?
An ISO 5608 holder for positive round inserts, for example SRDCN.
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