ANSI Code CNMM6448 TN7125

Application Material Steel

Chipbreaker Style 8

Corner Radius (in) 0.0625

Corner Radius (mm) 1.600

Designation CNMM

Designation 2 644/190616

Finish TIN

Grade TN4000

Hand of Insert Neutral

ISO Code CNMM1906168 TN4000

Insert Cutting Edge Length (in) 0.7616

Insert Cutting Edge Length (mm) 19.344

Insert Hole Size (in) 0.3125

Insert Hole Size (mm) 7.930

Insert IC Size (in) 0.7500

Insert Thickness (in) 0.2500

Insert Thickness (mm) 6.350

Material Carbide

Relief Angle 0

Shape Rhomboid

Style 80° Rhombic

System of Measurement Both Metric & Inch

Type Turning Insert

Product Weight 0.686

UOM package of 10

Notes

Stable cutting edge for heaviest chip sections and highest metal removal rates

For interrupted cut and applications involving high cutting edge loading

Depths of cut up to .630 inch, feeds up to .063 inch 

Coated carbide

MT-CVD/CVD - TiN-TiCN-Al2O3-TiN

TN4000 is the first choice for roughing applications and can take heavy depths of cut and interrupted cuts

Turning and boring of steel