Pramet TNMG 331R-SI:T7325 negative turning insert — TNMG 331 (ISO TNMG 160404ER), SI chipbreaker, T7325 grade, 3/8 in (9.525 mm) IC, 3/16 in (4.76 mm) thick, 0.4 mm corner radius. MT-CVD coated carbide for medium to heavy machining of stainless steel. Article 7156381.

Chipbreaker

SI

Coating

T7325

Coating process

MT-CVD

Coating property (CTP)

1

Cooling effect

Positive effect on tool life - cooling is recommended

Corner radius - inch (RE)

0.016

Corner radius - millimeter (RE)

0.4

Cutting edge length - inch (L)

0.65

Cutting edge length - millimeter (L)

16.5

Depth of cut maximum - inch (APMX)

0.197

Depth of cut maximum - millimeter (APMX)

5

Depth of cut minimum - inch (APMN)

0.031

Depth of cut minimum - millimeter (APMN)

0.8

Feed maximal - millimeter

0.24

Feed minimal - millimeter

0.2

Feed_MAX_IMP_NUM

0.009

Feed_MIN_IMP_NUM

0.008

Fixing hole diameter - inch (D1)

0.15

Fixing hole diameter - millimeter (D1)

3.81

Inscribed circle diameter - inch (IC)

0.375

Inscribed circle diameter - millimeter (IC)

9.525

Insert thickness - millimeter (S)

4.76