SC Series Carbide Internal Grooving Tool R/LSC4.G100.4215

R/LSC4.G100.4215 belongs to the Cutoutil SC series of solid carbide internal grooving tools. It produces 1 mm wide grooves with optimized chip flow inside bores starting from 4.2 mm. It shares identical mounting dimensions and geometry with equivalent Sandvik Coromant and Horn tools, and works well on Swiss‑type lathes and compact CNC turning centres.

Main dimensionsMinimum bore diameter DMIN: 4.2 mmCutting width CW: 1 mmCorner radius C: 0.04 mmUsable length LU: 15 mmMaximum groove depth CDX: 0.8 mmGeometry value a: 3.95 mmFunctional width WF: 1.95 mmBody width WB: 2.95 mmOffset height OHX: 18 mmShank diameter DCONMS: 4 mmOverall length LF: 32.25 mm

Chip controlPrecision ground chip former restricts chip width below the actual groove size. Chips can smoothly evacuate out of the bore instead of scratching finished inner surfaces. This solves one of the most frequent machining failures when cutting deep 1‑mm‑width grooves inside blind holes.

Grade and coatingTA61 grade for P and M material groups and TD61 grade for K, N, S material groups are available with M6 PVD coating from stock. The 0.04‑millimetre edge preparation delivers stable cutting performance without increasing cutting pressure, effectively avoiding deflection issues for thin‑walled workpieces.

Replacement advantageAgainst equivalent Sandvik Coromant and Horn products, this Cutoutil tool maintains the same DMIN, CW, LU and LF key dimensions. Standard stock items can be shipped within one week and offer lower cost per cutting edge. Custom cutting widths ranging from 0.5 mm to 6 mm and usable lengths up to 25 mm can be manufactured according to drawings with a 3‑week lead‑time.

Typical applicationsMachining retaining ring grooves, seal grooves, oil grooves and undercut features on hydraulic fittings, automotive sensor housings, connector shells and various general precision turned components.

Product Parameters Table

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