CNMG120408MF Chipbreaker

CNMG120408MF chipbreaker

We are professional manufacturer for producing cnmg 432 insert

Which is alternative for ISO famous brand korloy ,ZCC ,kyocera ,teagutec ,ISCAR ,sandvik,SECO turning inserts. cnmg 432 insert is application for MCLNR/L ,DCLNR/L,PCLNR/L external turning tools and internal turning tools . Our CNMG432 inserts quality is as same as and even better than ZCCCT,Korloy . 80% carbide insert equal to Taegutec,Mitsubishi,Carmex,kyocera .

Product Name	Cnmg 432 insert
Material	Stainless steel/steel /aluminum
Coating	TiN
Standard	ISO
Model	CNMG120408/04 CNMG 432
Suitable for	MCLNR/L ,DCLNR/L,PCLNR/L
Used	CNC Lathe machinery
Shape:	80° Rhombus (C)
Clearance Angle:	0° (N)
Tolerance	Class M (M)
Type	Double-Sided (G)
Insert I.C	1/2" (4)
Thickness	0.125" (3)
Corner Radius	0.031" (2)

 

CNMG120408MF Chipbreaker Insert – Precision Meets Performance

Brand: Cutoutiltools
Model: CNMG120408MF
Series: MF Chipbreaker for Finishing to Medium Cutting

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Overview

The CNMG120408MF is a premium double-sided, 80° diamond-shaped carbide insert engineered for finishing to medium-cutting operations on steel, stainless steel, and cast iron.
Featuring Cutoutiltools' proprietary MF chipbreaker, this insert delivers exceptional chip control, low cutting forces, and mirror-like surface finishes-even at low feeds and shallow depths of cut.
Ideal for stable conditions, automatic lathes, and Swiss-type machines where chip evacuation and surface quality are critical.

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Key Benefits

Feature	Advantage	Benefit
MF Micro-Geometry	Razor-sharp cutting edge	Reduces burrs, improves surface finish to Ra 0.4 µm
Optimized Chipbreaker	Tight curl, small chips	Eliminates bird-nest chips, unmanned-operation ready
Double-Sided (6 indexes)	6 cutting edges	Lowest cost per edge, maximum economy
Ultra-Fine Substrate	High toughness & heat resistance	Suppresses crater wear, 30 % longer tool life
PVD Nano-Multi-Layer Coating	Low friction, high adhesion	Stable at 10–250 m/min, dry or wet

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Technical Data

 

Parameter	Value
ISO Designation	CNMG120408-MF
IC (Inscribed Circle)	12.7 mm
Thickness (S)	4.76 mm
Corner Radius (RE)	0.8 mm
Clearance Angle	0° (double-sided)
Chip-breaker	MF (Finishing–Medium)
Coating	TiAlSiN PVD nano-multi-layer
Substrate	Ultra-fine grain WC-Co (K10–K20)
Application Range	Finishing to medium cutting
Materials	P1–P6 (steel), M1–M3 (stainless), K1–K3 (cast iron)
Cutting Speed (vc)	80–250 m/min (steel) 60–180 m/min (stainless) 100–300 m/min (cast iron)
Feed per Rev (fn)	0.05–0.25 mm/rev
Depth of Cut (ap)	0.2–3.0 mm

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Recommended Starting Conditions

表格

复制

Material	vc (m/min)	fn (mm/rev)	ap (mm)	Coolant
Carbon steel (C45)	180–220	0.10–0.20	0.5–2.0	Dry or Mist
Stainless 304	100–150	0.08–0.15	0.3–1.5	Wet (emulsion 5–8 %)
Grey cast iron	200–250	0.12–0.25	0.8–3.0	Dry (compressed air)

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Compatible Toolholders

External turning: PCLNL/L, PDJNL/L, PTFNL/L (DCLNR/L for 95° approach)

Boring bars: SCLCL/L, STFCR/L (min. bore Ø 26 mm)

Swiss-type: CDJNL-12-3B, CTFPR-12-3B

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Edge Security & Tool-Life Graph

(Insert image placeholder: Graph showing 25 % longer tool-life vs. competitor "C" grade at vc = 200 m/min, ap = 1 mm, fn = 0.15 mm/rev on 42CrMo4)

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Packing & Logistics

Specification	Detail
Pieces per box	10 inserts in plastic cartridge
OEM/Private label	Available from 500 pcs
HS Code	8209.00.00
Lead time	< 3 days (stock), 3–4 weeks (make-to-order)
Shipment	DHL/UPS/FedEx, FOB Shenzhen or EX-Works

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Why Cutoutiltools?

✅ Factory-direct pricing – save 15–30 % vs. global brands
✅ In-house coating & pressing – full traceability, lot-specific COA
✅ Custom laser marking – logo, barcode, batch no. free of charge
✅ 24 h technical support – Skype/WeChat/Zoom with our application engineers
✅ 100 % performance guarantee – free replacement if not satisfied

CODE	Grade recommend	Workpiece
CNMG1204XX-SL	C2120T /C2420T/C2620T	Steel, Cast iron semi-finishing
CNMG1204XX-MM	C2120T /C2420T/C2620T	Steel, Cast iron semi-finishing
CNMG1204XX-HM	C2120T /C2420T/C2620T	Steel, Cast iron semi-finishing
CNMG1204XX-HS	C2120T /C2420T/C2620T	Steel, Cast iron semi-finishing
CNMG1204XX-PM	C2120T /C2420T/C2620T	Steel, Cast iron roughing
CNMG1606XX-PM	C2120T /C2420T/C2620T	Steel, Cast iron roughing
CNMG1906XX-PM	C2120T /C2420T/C2620T	Steel, Cast iron roughing
CNMG1204XX-HA	C2120T /C2420T/C2620T	Stainless steel finishing
CNMG1204XX-MS	C2120T /C2420T/C2620T	Stainless steel finishing
CNMG1204XX-HQ	C2120T /C2420T/C2620T	Steel, Cast iron semi-finishing
CNMG1606XX-TR	C2120T /C2420T/C2620T	Steel, Cast iron roughing
CNMG1906XX-TR	C2120T /C2420T/C2620T	Steel, Cast iron roughing
CNGG1204XX-GF	M01	Aluninum, copper alloy finishing
CNGA1204XX	C2120T /C2420T/C2620T	Cast iron use

CNMG432 insert in inch size :

Description	LC.	Thickness	Radius
CNMG-431 Grade C2120T Carbide Insert	1/2"	3/16"	1/64'
CNMG-432 Grade C2120T Carbide Insert	1/2"	3/16"	1/32"
CNMG-433 Grade C2120T Carbide Insert	1/2"	3/16"	3/64'
CNMG-543 Grade C2120T Carbide Insert	5/8'	1/4"	1/32"
CNMG-642 Grade C2120T Carbide Insert	3/4"	1/4"	1/32"
CNMG-643 Grade C2120T Carbide Insert	3/4"	1/4"	3/64'
CNMG-644 Grade C2120T Carbide Insert	3/4"	1/4"	1/16-
CNMG-431 Grade C2120T Carbide Insert	1/2"	3/16"	1/64'
CNMG-432 Grade C2120T Carbide Insert	1/2"	3/16"	1/32"
CNMG-433 Grade C2120T Carbide Insert	1/2"	3/16"	3/64'
CNMG-543 Grade C2120T Carbide Insert	5/8'	1/4"	1/32"
CNMG-642 Grade C2120T Carbide Insert	3/4"	1/4"	1/32"
CNMG-643 Grade C2120T Carbide Insert	3/4"	1/4"	3/64'
CNMG-644 Grade C2120T Carbide Insert	3/4"	1/4"	1/16"
CNMG-431 Grade TNC (TiN Coated)	1/2"	3/16"	1/64'
CNMG-432 Grade TNC (TiN Coated)	1/2"	3/16"	1/32"
CNMG-433 Grade TNC (TiN Coated)	1/2"	3/16"	3/64'
CNMG-543 Grade TNC (TiN Coated)	5/8'	1/4"	1/32"
CNMG-642 Grade TNC (TiN Coated)	3/4"	1/4"	I 1/32"
CNMG-643 Grade TNC (TiN Coated)	3/4"	1/4"	3/64'

Company Information :

Cutoutil Hardware Tools Co.,LtD is a professional company specialized in cutting tools, Machine Accessories and measuring tools.

The scope of main products included turning tools and milling tools, Carbide End Mills, Carbide burrs, Carbide Drills & milling cutter, carbide inserts and ER collets, chucks, CCGT inserts.

M402550	M40351080
M402551	M40351C180
M402552	M40352
M402554	M40352100
M402660	M40352C220
M402661	M40353
M402662	M40353120
M402664	M40354
M402770	M40354150
M402771	M40356
M402772	M40361090
M402774	M40362110
M40310	M40363
M40320	M40363120
M40321	M40364
M40330	M40364150
M40331	M40365
M40332	M40365190
M40341	M40367
M40342	M40375
M40343	M40376
M40350	M40350C150
M40350070	M40351

Shipping :

-The items will be shipped out within 3-7days after received your payment.

-We usually ship items via DHL, TNT, Fedex, UPS, Airmail, ePacket, EMS, china Post. Air Mail.

FAQ:

1. Is it all right to make customer's own brand name?

YES of course . You only need to send us your logo file .

2. Can you do the design for us?

YES .We could design tools as your request .

3. How can I get a sample to check your quality?

We could offer you free sample for testing quality if you pay for the transport cost .

4. What are your main products?

Our main products include cutting tools ,carbide end mills ,carbide burrs ,carbide inserts ,carbide boring bar,toolholder ,U drilling tools .

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