TPMR 321-47:6640

Turning Insert - Positive
Ordering number: 6751692

Single-sided positive turning insert, triangular with 11° clearance, inscribed circle diameter of 3/8", 1/8" thick, 1/64" nose radius and indexing accuracy according to ISO-tolerance class- M, chip-breaker 47, in grade 6640, a MT-CVD coated WC-Co carbide within ISO ranges P20 - P40 and K25 - K40, for fine to medium machining of steels and cast-irons

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Product Detail

Description	Value
EAN number	3603602870582
EDP number	6751692
Product name	TPMR 160304E-47:6640
Ordering code ANSI	TPMR 321-47:6640
Gross weight - grams	5.89
Inscribed circle diameter - inch (IC)	0.375 inch
Inscribed circle diameter - millimeter (IC)	9.525 mm
Cutting edge length - inch (L)	0.65 inch
Cutting edge length - millimeter (L)	16.5 mm
Insert thickness - inch (S)	0.125 inch
Insert thickness - millimeter (S)	3.18 mm
Grade	6640
Corner radius - inch (RE)	0.016 inch
Corner radius - millimeter (RE)	0.4 mm
Insert Clearance Code and Angle	P 11°
Insert Design	TPMR
Insert size	16
Insert Thickness	03
Insert Type	R
Chipbreaker manufacturer's designation (CBMD)	47
Insert shape code (SC)	T - triangular 60° included angle
Tool Design	TP
Insert Geometry	Positive
ANSI	TPMR321-47:6640
ISO	TPMR160304E-47:6640

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	0.031 - 0.157 inch	361 - 541 ft/min	0.0039 - 0.0079 inch/rev

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

	Suitability	a_p	v_c	f
	help_outline Possible use	0.031 - 0.157 inch	213 - 312 ft/min	0.0043 - 0.0071 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	0.031 - 0.157 inch	328 - 509 ft/min	0.0039 - 0.0079 inch/rev