Miniature ball-nose end mill 2 flute

Name: Miniature ball-nose end mill 2 flute
Brand: Würth
SKU: 5443301481

CTR-RADI-HSC-MINI-WN-SC-TN-D0,4MM

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Miniature ball-nose end mill 2 flute

Art.-no. 5443301481

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x 1 pcs

Exclusively for trade customers

For machining materials of average to high strength. Particularly suitable for HSC copy milling.

Product information

Würth Catalogue

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Product code	6297
Material to be processed	Steel, Stainless steel, Hard and tough material, Aluminium
Diameter (d1)	0.4 mm
Shank diameter (d2)	3 mm
Clearance diameter (d3)	0.35 mm
Standards	CS
Shank style	Cylindrical DIN 6535-HA
Cutting material	SC
Surface	TiAlN
Coolant supply	External
Twist angle	30°
Corner radius (R)	0.2 mm
Length (l1)	50 mm
Chip flute length (l2)	0.6 mm
Clearance length (l3)	5 mm
Number of cutting edges (Z)	2 PCS
Tolerance of cutting edge diameter	h10
Tolerance of shank diameter	h6
Material of sub-group	Alloyed tempering steels < 1000 N/mm², Nitriding steels < 1300 N/mm², Stainless steels < 850 N/mm², Steels > 45 HRC, Aluminium

Cutting values for finishing copying
For dia. 0.4-3
Material designation	Tensile strength	Cooling	v_c	f_z
				Dia. 0.4-1	Dia. 1-1.9	Dia. 2-3
Alloyed heat-treated steels	1000-1200 N/mm²	E	95	0,002	0,005	0,009
Alloyed case-hardening steels	1000-1200 N/mm²	E	95	0,002	0,005	0,009
Nitriding steels	< 1000 N/mm²	E	120	0,002	0,005	0,010
Nitriding steels	1000-1200 N/mm²	E	95	0,002	0,005	0,009
Tool steels	850-1100 N/mm²	E	95	0,002	0,005	0,009
Tool steels	1100-1400 N/mm²	E	85	0,002	0,005	0,009
High-speed steels	850-1200 N/mm²	E	80	0,002	0,005	0,009
Hardened steels	48-55 HRC	-	65	0,002	0,005	0,009
Wear-resistant constructional steel	1350 N/mm²	E	50	0,002	0,004	0,007
Wear-resistant constructional steel	1800 N/mm²	E	50	0,002	0,004	0,007
Spring steels	< 1200 N/mm²	E	85	0,002	0,004	0,009
Stainless steels, sulphurated	< 700 N/mm²	E	110	0,002	0,005	0,010
Stainless steels, austenitic	< 700 N/mm²	E	110	0,002	0,005	0,010
Stainless steels, austenitic	< 850 N/mm²	E	90	0,002	0,005	0,009
Aluminium, aluminium alloys	< 530 N/mm²	E	800	0,002	0,006	0,010
Aluminium, cast aluminium alloys < 10 % Si	< 600 N/mm²	E	600	0,002	0,006	0,010
Aluminium, cast aluminium alloys > 10 % Si	< 600 N/mm²	E	400	0,002	0,006	0,010
Magnesium, magnesium alloys	< 280 N/mm²	E	800	0,002	0,006	0,010

Legend
E = emulsion		a_e = 0.05xd1
v_c = cutting speed [m/min]
f_z = feed per tooth [mm/t]		a_p = 0.05xd1
a_e = cutting thickness (radial)
a_p = cutting thickness (axial)
The suggested cutting values are reference values and must be adapted to the respective conditions.

Cutting values for roughing copy
For dia. 0.4-3
Material designation	Tensile strength	Cooling	v_c	f_z
				Dia. 0.4-1	Dia. 1-1.9	Dia. 2-3
Alloyed heat-treated steels	1000-1200 N/mm²	E	80	0,002	0,004	0,008
Alloyed case-hardening steels	1000-1200 N/mm²	E	80	0,002	0,004	0,008
Nitriding steels	< 1000 N/mm²	E	100	0,002	0,005	0,010
Nitriding steels	1000-1200 N/mm²	E	80	0,002	0,004	0,008
Tool steels	850-1100 N/mm²	E	80	0,002	0,005	0,010
Tool steels	1100-1400 N/mm²	E	70	0,002	0,004	0,008
High-speed steels	850-1200 N/mm²	E	60	0,002	0,004	0,008
Hardened steels	48-55 HRC	E	60	0,002	0,006	0,011
Wear-resistant constructional steel	1350 N/mm²	E	60	0,002	0,005	0,010
Wear-resistant constructional steel	1800 N/mm²	E	50	0,002	0,005	0,010
Spring steels	< 1200 N/mm²	E	70	0,002	0,004	0,008
Stainless steels, sulphurated	< 700 N/mm²	E	100	0,002	0,004	0,008
Stainless steels, austenitic	< 700 N/mm²	E	90	0,002	0,006	0,011
Stainless steels, austenitic	< 850 N/mm²	-	80	0,002	0,007	0,013
Aluminium, aluminium alloys	< 530 N/mm²	E	400	0,002	0,007	0,013
Aluminium, cast aluminium alloys < 10 % Si	< 600 N/mm²	E	350	0,002	0,007	0,013
Aluminium, cast aluminium alloys > 10 % Si	< 600 N/mm²	-	250	0,002	0,007	0,013
Magnesium, magnesium alloys	< 280 N/mm²	-	400	0,002	0,007	0,013

Legend
E = emulsion		a_e = 0.03xd1
v_c = cutting speed [m/min]
f_z = feed per tooth [mm/t]		a_p = 0.03xd1
a_e = cutting thickness (radial)
a_p = cutting thickness (axial)
The suggested cutting values are reference values and must be adapted to the respective conditions.