SNMA 120412 Grade FM2533 / SNMA 433 #FMCarbide

SNMA 120412 Grade FM2533 / SNMA 433 #FMCarbide

Turning Insert
$5.78 each
10 inserts per box
Grade
Chip Breaker
Item #
Quantity
- +

SNMA 120412 / SNMA 433, grade FM2533 — negative square turning insert.

1/2" inscribed circle, 3/16" 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): SNMA 120412
  • Insert designation (inch): SNMA 433
  • Insert shape: square (S)
  • 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: 3/16" (4.76 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)

Tool holders that accept this insert

42 RMC toolholders in stock take this insert — square, 0° — negative clearance, 1/2" inscribed circle, 3/16" thick. Pick by the shank your turret takes.

RMC square-shank toolholders — made in the USA

5/8" shank MSDNN 10-4B
3/4" shank MSDNN 12-4B · MSDNN 12-4C · MSKNL 12-4B · MSKNR 12-4B · MSRNL 12-4B · MSRNL 12-4C · MSRNR 12-4B · MSSNL 12-4B · MSSNR 12-4B · SBL 12-4 · SBR 12-4
1" shank MSDNN 16-4D · MSKNL 16-4D · MSKNR 16-4D · MSRNL 16-4D · MSRNR 16-4D · MSSNL 16-4D · MSSNR 16-4D · SBL 16-4 · SBR 16-4
1-1/4" shank MSDNN 20-4D · MSDNN 20-4E · MSKNL 20-4D · MSKNL 20-4E · MSKNR 20-4D · MSKNR 20-4E · MSRNL 20-4D · MSRNR 20-4D · MSSNL 20-4D · MSSNL 20-4E · MSSNR 20-4D · MSSNR 20-4E
1-1/2" shank MSDNN 24-4D · MSDNN 24-4E
1" x 1-1/4" shank MSDNN 85-4D · MSKNL 85-4D · MSKNR 85-4D · MSRNL 85-4D · MSRNR 85-4D · MSSNL 85-4D · MSSNR 85-4D

Boring bars and interchangeable heads. 16 more RMC tools take the same insert for internal turning. See RMC boring bars →

TURNING KNOW-HOW

Get more from your turning inserts.

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

Learn how to use a turning formula calculator to work through the numbers.

Explore the formulas

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