SNMA 190616 Grade FM2533 / SNMA 644 #FMCarbide

SNMA 190616 Grade FM2533 / SNMA 644 #FMCarbide

Turning Insert
$11.26 each
10 inserts per box
Grade
Chip Breaker
Item #
Quantity
- +

SNMA 190616 / SNMA 644, grade FM2533 — negative square turning insert.

3/4" inscribed circle, 1/4" thick, 1/16" 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 190616
  • Insert designation (inch): SNMA 644
  • Insert shape: square (S)
  • Clearance angle: 0° — negative (N)
  • Tolerance class: M
  • Insert type: A — with hole, no chipbreaker
  • Inscribed circle (I.C.): 3/4" (19.05 mm)
  • Thickness: 1/4" (6.35 mm)
  • Corner radius: 1/16" (1.59 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

48 RMC toolholders in stock take this insert — square, 0° — negative clearance, 3/4" inscribed circle, 1/4" thick. Pick by the shank your turret takes.

RMC square-shank toolholders — made in the USA

1" shank MSDNN 16-6D · MSKNR 16-6D · MSRNL 16-6D · MSRNL 16-6E · MSRNR 16-6D · MSRNR 16-6E · MSSNR 16-6D
1-1/4" shank MSDNN 20-6D · MSDNN 20-6E · MSKNL 20-6D · MSKNL 20-6E · MSKNR 20-6D · MSKNR 20-6E · MSRNL 20-6D · MSRNL 20-6E · MSRNR 20-6D · MSRNR 20-6E · MSSNL 20-6D · MSSNL 20-6E · MSSNR 20-6D · MSSNR 20-6E · SBL 20-5 · SBL 20-6 · SBR 20-5 · SBR 20-6
1-1/2" shank MSDNN 24-6D · MSDNN 24-6E · MSKNL 24-6D · MSKNL 24-6E · MSKNR 24-6D · MSKNR 24-6E · MSRNL 24-6D · MSRNL 24-6E · MSRNR 24-6D · MSRNR 24-6E · MSSNL 24-6D · MSSNL 24-6E · MSSNR 24-6D · MSSNR 24-6E · SBL 24-6 · SBR 24-6
1" x 1-1/4" shank MSDNN 85-6D · MSKNR 85-6D · MSKNR 85-6E · MSRNL 85-6D · MSRNR 85-6D
1" x 1-1/2" shank MSDNN 86-6E · MSKNR 86-6E

Boring bars and interchangeable heads. 14 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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