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Toolhelix›ISO insert code›VCGT 110304

VCGT 110304

What VCGT 110304 means, letter by letter: rhombic 35°, positive, 7° clearance, tolerance G, 40–60° countersunk hole, chipbreaker one side. Inscribed circle 6.35 mm, thickness 3.18 mm, nose radius 0.4 mm.

1 · SHAPERhombic 35°V
2 · CLEARANCE7°C
3 · TOLERANCEClass Gtight, ground
4 · TYPET40–60° countersunk hole, chipbreaker one side
5 · SIZE11inscribed Ø 6.35 mm · cutting edge 11.1 mm
6 · THICKNESS3.18 mm03
7 · NOSE RADIUS0.4 mm04
IC 6.35s 3.18clearance 7°rε 0.4
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.

VCGT 110304 dimensions

Inscribed circle IC6.35 mm
Cutting edge length11.07 mm
Thickness s3.18 mm
Nose radius rε0.4 mm
Corner angle35°
Clearance angle7°
Tolerance G: IC / corner height / thickness±0.025 / ±0.025 / ±0.13 mm
ANSI equivalent (inch)VCGT 221

What VCGT 110304 tells you on the shop floor

35° corner: reaches into grooves and complex profiles, but the edge is fragile. Light cuts only.

Positive insert (7°): lower cutting forces and less chatter. For finishing, boring, thin-walled parts and lighter machines.

Ground: a more precise edge, repeatable at every insert change. The choice for finishing and tight tolerances.

Small radius: lower forces and chatter, good finish at low feed.

Typical holders for VCGT

For a positive rhombic 35° insert the most common ISO 5608 holders are:

The final R or L means right or left hand. Shank size, length and the exact clamping are in the manufacturer's catalogue.

Toolholders that take it

In inches, with the ANSI designation, the same insert is VCGT 221: size in eighths of an inch, thickness in sixteenths, radius in sixty-fourths. Converting any code, both ways, is in ISO Inserts Pro.

Other VCGT sizes

Same size, other version

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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Frequently asked questions

What does VCGT 110304 mean?

VCGT 110304: rhombic 35°, positive, 7° clearance, tolerance G, 40–60° countersunk hole, chipbreaker one side. Inscribed circle 6.35 mm, thickness 3.18 mm, nose radius 0.4 mm.

What is the inscribed circle of VCGT 110304?

6.35 mm, with a 11.1 mm cutting edge.

What is the ANSI equivalent of VCGT 110304?

VCGT 221.

Which holder takes VCGT 110304?

An ISO 5608 holder for positive rhombic 35° inserts, for example SVJCR/L or SVVCN.

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