Pramet DNMG 442L-SI:T7325 negative turning insert — DNMG 442 (ISO DNMG 150608EL), SI chipbreaker, T7325 grade, 1/2 in (12.7 mm) IC, 1/4 in (6.35 mm) thick, 0.8 mm corner radius. MT-CVD coated carbide for stainless steel and superalloys, medium machining. Article 7156294.

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)

0.031

Corner radius - millimeter (RE)

0.8

Cutting edge length - inch (L)

0.61

Cutting edge length - millimeter (L)

15.5

Depth of cut maximum - inch (APMX)

0.177

Depth of cut maximum - millimeter (APMX)

4.5

Depth of cut minimum - inch (APMN)

0.031

Depth of cut minimum - millimeter (APMN)

0.8

Feed maximal - millimeter

0.48

Feed minimal - millimeter

0.2

Feed_MAX_IMP_NUM

0.019

Feed_MIN_IMP_NUM

0.008

Fixing hole diameter - inch (D1)

0.203

Fixing hole diameter - millimeter (D1)

5.16

Inscribed circle diameter - inch (IC)

0.5

Inscribed circle diameter - millimeter (IC)

12.7

Insert thickness - millimeter (S)

6.35