DNMA 150612 Grade FM2533 / DNMA 443 #FMCarbide

DNMA 150612 / DNMA 443, grade FM2533 — negative 55° rhombic turning insert.

1/2" inscribed circle, 1/4" thick, 3/64" corner radius. FM2533 is a CVD grade — stable steel applications and nodular cast iron — a balance of wear resistance and chipping resistance.

Specifications

• Insert designation (ISO): DNMA 150612
• Insert designation (inch): DNMA 443
• Insert shape: 55° rhombic (D)
• Clearance angle: 0° — negative (N)
• Tolerance class: M
• Insert type: A — with hole, no chipbreaker
• Inscribed circle (I.C.): 1/2" (12.7 mm)
• Thickness: 1/4" (6.35 mm)
• Corner radius: 3/64" (1.19 mm)
• Grade: FM2533
• Coating: CVD
• ISO application range: P05–P20 · K15–K35
• Cutting speed, non-alloy steel: 560–1480 SFM (170–450 m/min)
• Cutting speed, low-alloy steel: 590–1250 SFM (180–380 m/min)
• Cutting speed, high-alloy steel: 330–1080 SFM (100–330 m/min)
• Cutting speed, grey cast iron: 390–980 SFM (120–300 m/min)
• Cutting speed, nodular cast iron: 390–920 SFM (120–280 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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