TNMG 160408 Chip Breaker BM Grade FM524 / TNMG 332 BM #FMCarbide

TNMG 160408 / TNMG 332, chip breaker BM, grade FM524 — negative triangular turning insert.

3/8" inscribed circle, 3/16" thick, 1/32" corner radius. FM524 is a CVD grade — gray cast iron and very stable steel — the hardest substrate with CVD coating for extreme wear resistance.

Specifications

• Insert designation (ISO): TNMG 160408
• Insert designation (inch): TNMG 332
• Insert shape: triangular (T)
• Clearance angle: 0° — negative (N)
• Tolerance class: M
• Insert type: G — with hole, chipbreaker both sides
• Inscribed circle (I.C.): 3/8" (9.52 mm)
• Thickness: 3/16" (4.76 mm)
• Corner radius: 1/32" (0.79 mm)
• Chip breaker: BM
• Grade: FM524
• Coating: CVD
• ISO application range: P01–P10 · K10–K25
• Cutting speed, non-alloy steel: 720–1570 SFM (220–480 m/min)
• Cutting speed, low-alloy steel: 720–1380 SFM (220–420 m/min)
• Cutting speed, grey cast iron: 560–1380 SFM (170–420 m/min)
• Cutting speed, nodular cast iron: 390–1340 SFM (120–410 m/min)

TURNING KNOW-HOW

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Practical guides to choosing, understanding and using your inserts.

01 / SELECTION

Grades & chip breakers

Explore the grade and chip-breaker selection chart for your turning operation.

Explore the chart → 02 / INSERT CODES

Know your insert

Understand turning-insert designations and what the letters and numbers mean.

Read the guide → 03 / CUTTING PARAMETERS

Turning calculations

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