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Pramet CCMT 21.50.5-NF2:T8430 positive turning insert — CCMT 21.50.5 (ISO CCMT 060202E), NF2 finishing chipbreaker, T8430 PVD grade, 1/4 in (6.35 mm) IC, 0.094 in (2.38 mm) thick, 0.008 in (0.2 mm) corner radius. Article 7977186.
MODEL 7977186
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Chipbreaker
NF2
Coating
T8430
Coating process
PVD
Coating property (CTP)
1
Corner radius - inch (RE)
0.008
Corner radius - millimeter (RE)
0.2
Cutting edge length - inch (L)
0.252
Cutting edge length - millimeter (L)
6.4
Fixing hole diameter - inch (D1)
0.11
Fixing hole diameter - millimeter (D1)
2.8
Inscribed circle diameter - inch (IC)
0.25
Inscribed circle diameter - millimeter (IC)
6.35
Insert thickness - millimeter (S)
2.38
Single-sided positive turning insert, 80° rhomboid with 7° clearance, inscribed circle diameter of 6.35mm, 2.38mm thick, 0.2mm nose radius, indexing accuracy according to ISO-tolerance class-M, chip-breaker NF2 with rounded cutting edges, in grade T8430, a PVD coated fine grained WC-Co carbide within ISO range M20-M35, for fine to medium machining of stainless-steels
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