TPU 645S:6640

Turning Insert - Positive
Ordering number: 6751574

Single-sided positive turning insert, triangular with 11° clearance, inscribed circle diameter of 3/4", 1/4" thick, 5/64" nose radius, indexing accuracy according to ISO-tolerance class- U, with rounded cutting edges with facet, in grade 6640, a MT-CVD coated WC-Co carbide within ISO range K25 - K40, for medium to heavy machining of cast-irons

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Product Detail

Description	Value
EAN number	3603602869401
EDP number	6751574
Product name	TPUN 330620S:6640
Ordering code ANSI	TPU 645S:6640
Gross weight - grams	38.166
Inscribed circle diameter - inch (IC)	0.75 inch
Inscribed circle diameter - millimeter (IC)	19.05 mm
Cutting edge length - inch (L)	1.299 inch
Cutting edge length - millimeter (L)	33 mm
Insert thickness - inch (S)	0.25 inch
Insert thickness - millimeter (S)	6.35 mm
Grade	6640
Corner radius - inch (RE)	0.079 inch
Corner radius - millimeter (RE)	2 mm
Insert Clearance Code and Angle	P 11°
Insert Design	TPUN
Insert size	33
Insert Thickness	06
Insert Type	N
Chipbreaker manufacturer's designation (CBMD)	No chipbreaker
Insert shape code (SC)	T - triangular 60° included angle
Tool Design	TP
Insert Geometry	Positive
ANSI	TPU645S:6640
ISO	TPUN330620S: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 Possible use	0.079 - 0.374 inch	164 - 279 ft/min	0.0079 - 0.0177 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	0.079 - 0.374 inch	148 - 262 ft/min	0.0079 - 0.0177 inch/rev