LFMX 3.1-.20TNF2:6640

Turning Insert - Parting and Grooving
Ordering number: 6752368

Single ended parting and grooving insert, with a 3.1mm cutting width and 0.2mm corner radii, an accuracy according to tolerance class-M and chip-breaker F2 with cutting edges with facet, grade 6640 MT-CVD coated WC-Co carbide within ISO-grade ranges P20-P40 and K25-K40 for machining of steel and cast-iron in combination with DORMER PRAMET XL.F(NRL) 3.00 parting and grooving tools

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Product Detail

Description	Value
EAN number	3603602877345
EDP number	6752368
Ordering code ANSI	LFMX 3.1-.20TNF2:6640
Gross weight - grams	2.093
Cutting width - inch (CW)	0.122 inch
Cutting width - millimeter (CW)	3.1 mm
Cutting width lower tolerance - inch (CWTOLL)	-0.002 inch
Cutting width lower tolerance - millimeter (CWTOLL)	-0.04 mm
Cutting width upper tolerance - inch (CWTOLU)	0.002 inch
Cutting width upper tolerance - millimeter (CWTOLU)	0.04 mm
Insert body width - inch (BW)	0.102 inch
Insert body width - millimeter (BW)	2.6 mm
Grade	6640
Corner radius - inch (RE)	0.008 inch
Corner radius - millimeter (RE)	0.2 mm
Insert Design	LFMX
Chipbreaker manufacturer's designation (CBMD)	F2
Primary Tool Lead Angle	Neutral
Insert Type	X
ANSI	LFMX3.1-.20TNF2:6640
ISO	LFMX3.1-.20TNF2:6640

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	-	295 - 492 ft/min	0.002 - 0.0067 inch/rev

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

	Suitability	a_p	v_c	f
	help_outline Possible use	-	164 - 295 ft/min	0.0022 - 0.006 inch/rev

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

	Suitability	a_p	v_c	f
	help_outline Primary use	-	279 - 459 ft/min	0.002 - 0.0067 inch/rev

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