4 Cutting Corners, Tangential Geometry for
Fast Metal Removal

ISCAR has introduced a new family of milling tools that uses tangentially clamped inserts with four right-hand helical cutting edges. The new T490 inserts are available in 8, 13 and 16 mm long cutting edges.
The T490 LN ... inserts, due to their small size ad tangential orientation in the pocket, enable tool design with larger core diameters than tools with regular, radially oriented inserts.
A most advanced insert design and production technology results in a soft and clean cut due to insert helical cutting edges and positive rake angles. Our most advanced SUMO TEC grades ensure excellent performance and reliability.
The new HELITANG tools can be used for machining alloy and stainless steel, high temperature alloys and cast iron at very high material removal rates.

Tools which carry T490 LN.. 0804PN-R inserts:
- Endmills in diameters 16 to 40 mm
- Face mills in diameters 32 to 63 mm

Tools which carry T490 LN.. 1306PNTR inserts:
- Endmills in diameters 32 to 50 mm
- Face mills in diameters 40 to 100 mm
- Extended flute cutters in diameter 40 to 50 mm
- Shell mill cutters in diameters 40 to 63 mm

Tools which carry T490 LN.. 1607PN-R inserts:
- Endmills in diameters 32 to 40 mm
- Face mills in diameters 50 to 125 mm

The smallest tool diameter is 16 mm, with 2 teeth. The tools are available with coarse or fine pitch configuration for each diameter. The T490 tools can be used for machining 90° shoulders at high rates, with no mismatch and they are capable of plunging as well. All of the cutters have coolant holes. The new family features high durability and outstanding tool life, due to the tangentially oriented pocket, the most advanced insert production technology and excellent grade combinations. Currently, none of our competitors can offer such a small tangential insert as the
T490 LN.. 0804PN-R with 4 cutting edges.

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