Pramet TNGX 100412SR-M:M8330 negative square shoulder milling insert — TNGX 100412SR, M medium chipbreaker, M8330 PVD coated fine grained WC-Co carbide grade for steel P20-P40, 60° triangle, 0.236 in (6 mm) IC, 0.181 in (4.61 mm) thick, 0.047 in (1.2 mm) corner radius. Article 7799438.

Coating property (CTP)

1

Cooling effect

M

Corner radius - inch (RE)

M8330

Corner radius - millimeter (RE)

PVD

Cutting edge effective length - inch (LE)

0.236

Cutting edge effective length - millimeter (LE)

6

Cutting edge length - inch (L)

0.409

Cutting edge length - millimeter (L)

10.39

Fixing hole diameter - inch (D1)

0.11

Fixing hole diameter - millimeter (D1)

2.8

Inscribed circle diameter - inch (IC)

0.236

Inscribed circle diameter - millimeter (IC)

6

Insert cutting diameter - millimeter (CDI)

4.61

Insert shape code (SC)

T - triangular 60° included angle

Insert thickness - inch (S)

1.2

Insert thickness - millimeter (S)

4.61

Major cutting edge angle (KRINS)

0.047

Wiper edge length - inch (BS)

Slightly negative effect on tool life