HPC solid carbide drill Speeddrill 4.0-Inox, DIN 6537L, long 5xD, 4 drill heels, with internal cooling - DRL-SP4.0-DIN6537L-IX-ND-IK-HB-D4,6MM

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

Name: HPC solid carbide drill Speeddrill 4.0-Inox, DIN 6537L, long 5xD, 4 drill heels, with internal cooling
Brand: Würth
SKU: 5443012021

Twist drill SD4.0 DIN 6537L type N IC NANODUR INOX
DRL-SP4.0-DIN6537L-IX-ND-IK-HB-D4,6MM

Art.-no. 5443012021

EAN 4062856119301

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

Art.-no. 5443012021

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Solid carbide, high-performance drill with internal cooling channels, in particular for machining stainless steels. The special point thinning 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	6897
Material to be processed	Steel, Cast metal, Stainless steel
Standards	DIN 6537
Design	Long
Surface	NANODUR
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)	4.6 mm
Shank style	Cylindrical DIN 6535-HB
Length (l1)	74 mm
Chip flute length (l2)	36 mm
Tolerance of cutting edge diameter	h7
Shank diameter (d2)	6 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, Grey cast iron, Malleable cast iron, Stainless steels < 850 N/mm², Stainless steels > 850 N/mm², Titanium, Titanium alloys

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	0,220	0,31	0,39	0,48
General structural steels	500-850 N/mm²	IC	161	0,220	0,31	0,39	0,48
Carbon steels	< 850 N/mm²	IC	161	0,220	0,31	0,39	0,48
Carbon steels	850-1000 N/mm²	IC	161	0,220	0,31	0,39	0,48
Unalloyed heat-treated steels	< 700 N/mm²	IC	161	0,210	0,29	0,38	0,45
	700-850 N/mm²	IC	154	0,210	0,29	0,38	0,45
	850-1000 N/mm²	IC	132	0,100	0,15	0,19	0,25
Alloyed heat-treated steels	850-1000 N/mm²	IC	138	0,100	0,15	0,19	0,25
Unalloyed case-hardening steels	< 750 N/mm²	IC	161	0,220	0,31	0,39	0,48
Alloyed case-hardening steels	< 1000 N/mm²	IC	138	0,2	0,28	0,35	0,43
Nitriding steels	< 1000 N/mm²	IC	126	0,100	0,15	0,19	0,25
Tool steels	< 850 N/mm²	IC	112	0,100	0,15	0,19	0,25
Tool steels	850-1100 N/mm²	IC	81	0,100	0,15	0,19	0,25
Stainless steels, sulphurated	< 700 N/mm²	IC	113	0,12	0,18	0,23	0,23
Stainless steels, austenitic	< 700 N/mm²	IC	105	0,12	0,18	0,23	0,23
Stainless steels, austenitic	< 850 N/mm²	IC	105	0,12	0,18	0,23	0,23
Stainless steels, martensitic	< 1100 N/mm²	IC	98	0,12	0,18	0,23	0,23
Titanium, titanium alloys	< 850 N/mm²	IC	60	0,06	0,12	0,18	0,18
Aluminium, aluminium alloys	< 530 N/mm²	IC	360	0,22	0,31	0,39	0,48
Aluminium, cast aluminium alloys < 10 % Si	< 600 N/mm²	IC	360	0,22	0,31	0,39	0,48
Magnesium, magnesium alloys	< 280 N/mm²	IC	360	0,22	0,31	0,39	0,48
Copper, low-alloy	< 350 N/mm²	IC	160	0,110	0,17	0,21	0,28
Brass, short-chipping	< 600 N/mm²	IC	200	0,110	0,17	0,21	0,28
Brass, long-chipping	< 600 N/mm²	IC	200	0,110	0,17	0,21	0,28
Bronze, short-chipping	< 600 N/mm²	IC	200	0,110	0,17	0,21	0,28
Bronze, short-chipping	650-850 N/mm²	IC	200	0,110	0,17	0,21	0,28
Bronze, long-chipping	< 850 N/mm²	IC	200	0,110	0,17	0,21	0,28
Bronze, long-chipping	850-1200 N/mm²	IC	200	0,110	0,17	0,21	0,28

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.