HPC solid carbide drill Speeddrill 4.0-Universal, DIN 6537L, long 5xD, 4 drill heels, with internal cooling - DRL-SP4.0-DIN6537L-UV-AD-IK-HE-D7,4MM

HPC solid carbide drill Speeddrill 4.0-Universal, DIN 6537L, long 5xD, 4 drill heels, with internal cooling

Name: HPC solid carbide drill Speeddrill 4.0-Universal, DIN 6537L, long 5xD, 4 drill heels, with internal cooling
Brand: Würth
SKU: 5443011056

Twist drill SD4.0 DIN 6537L type N IC ANTRADUR Uni
DRL-SP4.0-DIN6537L-UV-AD-IK-HE-D7,4MM

Art.-no. 5443011056

EAN 4062856112333

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HPC solid carbide drill Speeddrill 4.0-Universal, DIN 6537L, long 5xD, 4 drill heels, with internal cooling

Art.-no. 5443011056

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Solid carbide high performance drill bit with interior cooling channels for universal applications. The special surface treatment results in perfect chip removal. Optimal roundness of the hole through 4 drill heels allows precise alignment of the hole with optimal surface quality. Generation 4.0 sets new standards in machining performance.

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Product code	6877
Material to be processed	Steel, Cast metal, Stainless steel, Titanium, Non-ferrous metal
Standards	DIN 6537
Design	Long
Surface	ANTRADUR
Max. drilling depth (D)	5xD
Cutting material	SC
Number of guiding chamfers	4 PCS
Angle of the tip	140 Degree
Number of cutting edges	2 PCS
Coolant supply	Internal
Diameter (d1)	7.4 mm
Shank style	Cylindrical DIN 6535-HE
Length (l1)	91 mm
Chip flute length (l2)	53 mm
Tolerance of cutting edge diameter	h7
Shank diameter (d2)	8 mm
Tolerance of shank diameter	h6
Material of sub-group	General structural steels, Non-alloyed tempering steels < 1000 N/mm², Alloyed tempering steels < 1000 N/mm², Nitriding steels < 1300 N/mm², Grey cast iron, Malleable cast iron, Stainless steels < 850 N/mm², Stainless steels > 850 N/mm², Titanium, Titanium alloys, Copper, Brass, Aluminium

Cutting values for solid carbide high-performance drill Speeddrill 4.0
For dia. 3 to dia. 12
Material designation	Tensile strength	Cooling	v_c	f
				Dia. 3-5.9	Dia. 6-8.9	Dia. 9.0-11.9	Dia. 12
General structural steels	< 500 N/mm²	IC	175	0,224	0,308	0,392	0,476
General structural steels	500-850 N/mm²	IC	161	0,224	0,308	0,392	0,476
Carbon steels	< 850 N/mm²	IC	161	0,224	0,308	0,392	0,476
Carbon steels	850-1000 N/mm²	IC	161	0,224	0,308	0,392	0,476
Unalloyed heat-treated steels	< 700 N/mm²	IC	161	0,210	0,294	0,378	0,448
	700-850 N/mm²	IC	154	0,210	0,294	0,378	0,448
	850-1000 N/mm²	IC	147	0,112	0,168	0,210	0,280
Alloyed heat-treated steels	850-1000 N/mm²	IC	154	0,112	0,168	0,210	0,280
Alloyed heat-treated steels	1000-1200 N/mm²	IC	140	0,112	0,168	0,210	0,280
Unalloyed case-hardening steels	< 750 N/mm²	IC	161	0,224	0,308	0,392	0,476
Alloyed case-hardening steels	< 1000 N/mm²	IC	154	0,224	0,308	0,392	0,476
Alloyed case-hardening steels	1000-1200 N/mm²	IC	119	0,210	0,294	0,378	0,448
Nitriding steels	< 1000 N/mm²	IC	140	0,112	0,168	0,210	0,280
Nitriding steels	1000-1200 N/mm²	IC	133	0,112	0,168	0,210	0,280
Tool steels	< 850 N/mm²	IC	112	0,112	0,168	0,210	0,280
Tool steels	850-1100 N/mm²	IC	91	0,112	0,168	0,210	0,280
Stainless steels, sulphurated	< 700 N/mm²	IC	100	0,100	0,160	0,200	0,200
Stainless steels, austenitic	< 700 N/mm²	IC	95	0,100	0,160	0,200	0,200
Stainless steels, austenitic	< 850 N/mm²	IC	95	0,100	0,160	0,200	0,200
Stainless steels, martensitic	< 1100 N/mm²	IC	90	0,100	0,160	0,200	0,200
Cast iron	< 180 HB	IC	196	0,280	0,350	0,490	0,560
Cast iron	> 180 HB	IC	168	0,280	0,350	0,490	0,560
Nodular graphite, malleable iron	> 180 HB	IC	168	0,180	0,250	0,320	0,420
Nodular graphite, malleable iron	> 260 HB	IC	154	0,180	0,250	0,320	0,420
Titanium, titanium alloys	< 850 N/mm²	IC	60	0,060	0,120	0,180	0,180
Aluminium, aluminium alloys	< 530 N/mm²	IC	360	0,224	0,308	0,392	0,476
Aluminium, cast aluminium alloys < 10 % Si	< 600 N/mm²	IC	360	0,224	0,308	0,392	0,476
Magnesium, magnesium alloys	< 280 N/mm²	IC	360	0,224	0,308	0,392	0,476
Copper, low-alloy	< 350 N/mm²	IC	160	0,112	0,168	0,210	0,280
Brass, short-chipping	< 600 N/mm²	IC	200	0,112	0,168	0,210	0,280
Brass, long-chipping	< 600 N/mm²	IC	200	0,112	0,168	0,210	0,280
Bronze, short-chipping	< 600 N/mm²	IC	200	0,112	0,168	0,210	0,280
Bronze, short-chipping	650-850 N/mm²	IC	200	0,112	0,168	0,210	0,280
Bronze, long-chipping	< 850 N/mm²	IC	200	0,112	0,168	0,210	0,280
Bronze, long-chipping	850-1200 N/mm²	IC	200	0,112	0,168	0,210	0,280

Key
IC = internal cooling
v_c = cutting speed [m/min]
f = feed [mm/r]
The suggested cutting values are reference values and must be adapted to the respective conditions.