TNMG 220404E-SM:T8430

Turning Insert - Negative
Material ID: 7977411

Double-sided negative turning insert, triangular with inscribed circle diameter of 12.7mm, 4.76mm thick, 0.4mm nose radius, indexing accuracy according to ISO-tolerance class-M, chip-breaker SM with rounded cutting edges, in grade T8430, a PVD coated fine grained WC-Co carbide within ISO ranges P20 -P40 and M20 -M35, for fine to heavy machining of steels and stainless-steels

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Product Detail

Description	Value
EAN number	3603603819979
Product number (SAP)	80033219
Ordering code ANSI	TNMG 431-SM:T8430
Gross weight - grams	12.417
Inscribed circle diameter - millimeter (IC)	12.7 mm
Fixing hole diameter - millimeter (D1)	5.16 mm
Cutting edge length - millimeter (L)	22 mm
Insert thickness - millimeter (S)	4.76 mm
Grade	T8430
Corner radius - millimeter (RE)	0.4 mm
Insert Clearance Code and Angle	N 0°
Insert Design	TNMG
Insert size	22
Insert Thickness	04
Insert Type	G
Chipbreaker manufacturer's designation (CBMD)	SM
Insert shape code (SC)	T - triangular 60° included angle
Tool Design	TN
Insert Geometry	Negative
ISO	TNMG220404E-SM:T8430

Features & benefits

Medium wide negative T-land improves the cutting edge strength enabling versatile machining under common working conditions
3-D chip-breaker ensures chip-breaking control at wide range of feeds and depths of cut
Wide chip-groove enhances the chip-control when machining tough materials improving chip evacuation
Shallow chip-groove ensures chip breaking at wide range of cutting feeds
Raised chip-breaker back wall height forces the chip to curl more tightly which improves the ability to chip break allowing machining of tough work-materials with lower feeds
Neutral geometry increases the impact resistance of the insert enhancing the ability to machine with heavier feed and higher depth of cut
WC-Co based substrate submicron grained, provides high hardness and abrasive wear resistance, resistance against comb cracks
PVD coating, enhances thermal cracking resistance and performance in operations involving cutting temperature fluctuations
A multi-layered PVD coating optimized for increased productivity and durability. Thick TiN coating with low compressive stress for crater wear resistance and hard AlTiN layer for flank wear resistance.
Unique Titanium-Boron-Nitride (TiBN) top layer for build-up edge reduction and improved performance.
New coating generation provides increased durability and performance. It is the most versatile grade for general turning and heavy roughing, even in unfavourable conditions.

Cutting Conditions

P - Steel and cast steel (steels with alloy content ≤ 10% and a hardness of < 45HRC)

	Suitability	a_p	v_c	f
	help_outline Primary use	0.4 - 4 mm	110 - 175 m/min	0.18 - 0.2 mm/rev

M - Stainless steel (corrosion resistant steels with ≥ 11% chromium content)

	Suitability	a_p	v_c	f
	help_outline Primary use	0.4 - 4 mm	60 - 95 m/min	0.18 - 0.18 mm/rev

K - Cast Iron (castings of iron and carbon alloys with > 2% carbon content)

	Suitability	a_p	v_c	f
	help_outline Possible use	0.4 - 4 mm	90 - 140 m/min	0.18 - 0.2 mm/rev

N - Non-ferrous metals (metals including alloys without an appreciable amount of iron)

	Suitability	a_p	v_c	f
	help_outline Possible use	0.4 - 4 mm	150 - 560 m/min	0.18 - 0.24 mm/rev

S - High-temperature alloys (superalloys with high temperature stength and corrosion resistant surpassing that of stainless steel)

	Suitability	a_p	v_c	f
	help_outline Possible use	0.4 - 3.2 mm	15 - 45 m/min	0.18 - 0.18 mm/rev

H - Hardened materials (any engineering metal with a hardness > 45HRC)

	Suitability	a_p	v_c	f
	help_outline Possible use	0.2 - 0.5 mm	15 - 30 m/min	0.11 - 0.14 mm/rev

Related Parts

Tool
Used as replacement