WNMG 080404 Chip Breaker BG Grade FM2533 / WNMG 431 BG #FMCarbide

WNMG 080404 Chip Breaker BG Grade FM2533 / WNMG 431 BG #FMCarbide

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

WNMG 080404 / WNMG 431, chip breaker BG, grade FM2533 — negative 80° trigon turning insert.

1/2" inscribed circle, 3/16" thick, 1/64" corner radius. The BG breaker is the medium machining geometry: 0.008–0.016 ipr (0.2–0.4 mm/rev) at 0.06–0.16" (1.5–4 mm) depth of cut. FM2533 is a CVD grade — stable steel applications and nodular cast iron — a balance of wear resistance and chipping resistance.

Specifications

  • Insert designation (ISO): WNMG 080404
  • Insert designation (inch): WNMG 431
  • Insert shape: 80° trigon (W)
  • 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: 3/16" (4.76 mm)
  • Corner radius: 1/64" (0.4 mm)
  • Chip breaker: BG — Steel — medium machining
  • Feed rate range: 0.008–0.016 ipr (0.2–0.4 mm/rev)
  • Depth of cut range: 0.06–0.16" (1.5–4 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, gray 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

18 RMC toolholders in stock take this insert — 80° trigon, 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 MWLNL 10-4B · MWLNR 10-4B
3/4" shank MWLNL 12-4B · MWLNL 12-4D · MWLNR 12-4B · MWLNR 12-4D
1" shank MWLNL 16-4D · MWLNR 16-4D
1-1/4" shank MWLNL 20-4D · MWLNL 20-4E · MWLNR 20-4D · MWLNR 20-4E
1-1/2" shank MWLNL 24-4D · MWLNL 24-4E · MWLNR 24-4D · MWLNR 24-4E
1" x 1-1/4" shank MWLNL 85-4D · MWLNR 85-4D

Boring bars and interchangeable heads. 9 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

Availability and Shipping

FM Carbide maintains stock in the USA. If this item is not in stock, estimated time to ship is 14–21 calendar days.

Estimated time to ship is measured in calendar days, from order placement until your order is handed to the carrier. Carrier transit time is additional. Orders may ship sooner. We accept orders awaiting replenishment; please contact us before ordering if you need a specific shipping date.

See our Shipping Policy for details.

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