DNMG 150612 Chip Breaker BM Grade FM2543 / DNMG 443 BM #FMCarbide

DNMG 150612 / DNMG 443, chip breaker BM, grade FM2543 — negative 55° rhombic turning insert.

1/2" inscribed circle, 1/4" thick, 3/64" corner radius. FM2543 is a CVD grade — first-choice grade for general steel work — continuous through interrupted cuts across steel applications.

Specifications

• Insert designation (ISO): DNMG 150612
• Insert designation (inch): DNMG 443
• Insert shape: 55° rhombic (D)
• Clearance angle: 0° — negative (N)
• Tolerance class: M
• Insert type: G — with hole, chipbreaker both sides
• Inscribed circle (I.C.): 1/2" (12.7 mm)
• Thickness: 1/4" (6.35 mm)
• Corner radius: 3/64" (1.19 mm)
• Chip breaker: BM
• Grade: FM2543
• Coating: CVD
• ISO application range: P15–P30
• Cutting speed, non-alloy steel: 590–1250 SFM (180–380 m/min)
• Cutting speed, low-alloy steel: 380–1150 SFM (110–350 m/min)
• Cutting speed, high-alloy steel: 200–980 SFM (60–300 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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