Solid carbide end mill Speedcut, ultra-hard steel 68 HRC, corner radius long, optional - ENDMIL-SP-DIN6527L-HS-SC-HA-D4X0,2

Solid carbide end mill Speedcut, ultra-hard steel 68 HRC, corner radius long, optional

Name: Solid carbide end mill Speedcut, ultra-hard steel 68 HRC, corner radius long, optional
Brand: Würth
SKU: 5443300891

End mill SC Ultra HRC WN 2.5xD/1.5xD TiAlN-S ER HA
ENDMIL-SP-DIN6527L-HS-SC-HA-D4X0,2

Art.-no. 5443300891

EAN 4055375894217

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Solid carbide end mill Speedcut, ultra-hard steel 68 HRC, corner radius long, optional

Art.-no. 5443300891

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Especially suited to machining hardened and high-strength steels. High degree of stiffness allows for high feed rates and long service life, high helix angle produces an excellent surface finish on the workpiece. The milling cutter is used for circumferential milling (finishing). At shallow depths, front cutting is also possible by reducing the feed rate by 50 %.

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Product code	6647
Material to be processed	Cast metal, Hard and tough material
Diameter (d1)	4 mm
Shank diameter (d2)	6 mm
Clearance diameter (d3)	3.9 mm
Standards	CS
Construction length	Long
Shank style	Cylindrical DIN 6535-HA
Cutting material	SC
Surface	TiAlN-S
Coolant supply	External
Twist angle	50°
Corner radius (R)	0.2 mm
Length (l1)	57 mm
Cutting edge length (l2)	6 mm
Clearance length (l3)	10 mm
Number of cutting edges (Z)	6 PCS
Tolerance of cutting edge diameter	e8
Tolerance of shank diameter	h5
Material of sub-group	Alloyed tempering steels < 1000 N/mm², Nitriding steels < 1300 N/mm², Grey cast iron, Malleable cast iron, Steels > 45 HRC

Cutting values finishing contour
For dia. 4 - dia. 16
Material designation	Tensile strength	Cooling	v_c	f_z
				Dia. 4	Dia. 5	Dia. 6	Dia. 8	Dia. 10	Dia. 12	Dia. 16
Tool steels	1100–1400 N/mm2	T	170	0,010	0,015	0,020	0,025	0,030	0,035	0,040
Hardened steels	40–48 HRC	T	150	0,010	0,015	0,020	0,030	0,035	0,040	0,050
	48–55 HRC	T	135	0,010	0,015	0,020	0,025	0,030	0,035	0,045
	55–60 HRC	T	120	0,008	0,012	0,015	0,025	0,030	0,035	0,045
	60–68 HRC	T	80	0,008	0,012	0,015	0,020	0,025	0,030	0,035
Wear resistant constructional steel	1350 N/mm2	T	170	0,010	0,015	0,020	0,025	0,025	0,035	0,040
Wear resistant constructional steel	1800 N/mm2	T	145	0,010	0,015	0,020	0,025	0,025	0,035	0,040
Cast iron	< 180 HB	T	200	0,015	0,022	0,030	0,040	0,055	0,065	0,080
Cast iron	> 180 HB	T	160	0,015	0,022	0,030	0,040	0,050	0,060	0,070
Spheroidal graphite, malleable iron	> 180 HB	T	190	0,015	0,022	0,030	0,040	0,055	0,065	0,080
Spheroidal graphite, malleable iron	> 260 HB	T	170	0,015	0,022	0,030	0,040	0,050	0,060	0,070

Legend
T = dry		a_e = 0.02xd1
v_c = cutting speed [m/min]
f_z = feed per tooth [mm/z]		a_p = 1.5xd1
a_e = cutting thickness (radial)
a_p = cutting thickness (axial)
The cutting speeds listed refer to all tool types according to DIN 6527K or DIN6527L. For XL Series end mills, it is recommended to reduce the cutting speed by 30%.