External Turning Insert For Stainless Steel Cnmg120408

External turning insert for stainless steel cnmg120408

External Turning Insert for Stainless Steel – CNMG120408
Reliable, general-purpose carbide that keeps your lathe in the cut longer.

Key numbers

Insert style: CNMG 120408 (ISO), CNMG-432 (ANSI)

Rhombic 80°, negative geometry, 0.8 mm corner radius

Thickness 4.76 mm, inscribed circle 12.7 mm, 5.16 mm clamp hole

Substrate: MT-CVD or PVD gradient tungsten carbide

Coating: TiAlN (PVD) or T9215/T7325 (MT-CVD) – both resist cratering on austenitic stainless

Cutting window: 110–260 m/min, 0.15–0.4 mm/rev, 0.5–6 mm depth of cut

Grade range: M10-M25 / S10-S25 (ISO)

Compatible holders (selected)

PCLNR/L 2525 M12 (Sandvik)

DCLNR/L 2525 M12 (Korloy)

MCLNR/L 2525 M12 (Kennametal)

C55-DCLNR 2525 M12 (Tungaloy)
Any 25 × 25 mm shank, 80° negative holder with M-class pocket will accept this insert.

Performance snapshot
In 304L (HB 160) at 180 m/min, 0.25 mm/rev, 2 mm ap, tool life averaged 25 min with Ra 1.6 µm-no built-up edge under 8 bar coolant.

About CutOutilTools
We are a ISO-registered cutting-tool manufacturer and distributor located in Hunan,China, stocking >8 000 insert SKU for immediate export. Every batch is checked for corner radius, coating thickness and micro-hardness before it leaves our warehouse. Need a trial pack? Ten inserts ship the same day by DHL Express.

Order today and receive the inserts, inspection report and a recommended speeds/feeds card-no MOQ for first-time customers.

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