HPC solid carbide drill Speeddrill 4.0-Inox, DIN 6537K, 3xD short, 4 drill heels, with internal cooling - DRL-SP4.0-DIN6537K-IX-ND-IK-HA-D3,1MM

HPC solid carbide drill Speeddrill 4.0-Inox, DIN 6537K, 3xD short, 4 drill heels, with internal cooling

Name: HPC solid carbide drill Speeddrill 4.0-Inox, DIN 6537K, 3xD short, 4 drill heels, with internal cooling
Brand: Würth
SKU: 5443011202

Twist drill SD4.0 DIN 6537K type N IC NANODUR INOX
DRL-SP4.0-DIN6537K-IX-ND-IK-HA-D3,1MM

Art.-no. 5443011202

EAN 4062856164752

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HPC solid carbide drill Speeddrill 4.0-Inox, DIN 6537K, 3xD short, 4 drill heels, with internal cooling

Art.-no. 5443011202

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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	6887
Material to be processed	Steel, Stainless steel, Cast metal, Titanium
Standards	DIN 6537
Design	Short
Surface	NANODUR
Max. drilling depth (D)	3xD
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)	3.1 mm
Shank style	Cylindrical DIN 6535-HA
Length (l1)	62 mm
Chip flute length (l2)	20 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

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	0,310	0,390	0,480
General structural steels	500-850 N/mm²	IC	161	0,220	0,310	0,390	0,480
Carbon steels	< 850 N/mm²	IC	161	0,220	0,310	0,390	0,480
Carbon steels	850-1000 N/mm²	IC	161	0,220	0,310	0,390	0,480
Unalloyed heat-treated steels	< 700 N/mm²	IC	161	0,210	0,290	0,380	0,450
	700-850 N/mm²	IC	154	0,210	0,290	0,380	0,450
	850-1000 N/mm²	IC	132	0,100	0,150	0,190	0,250
Alloyed heat-treated steels	850-1000 N/mm²	IC	138	0,100	0,150	0,190	0,250
Unalloyed case-hardening steels	< 750 N/mm²	IC	161	0,220	0,310	0,390	0,480
Alloyed case-hardening steels	< 1000 N/mm²	IC	138	0,200	0,280	0,350	0,430
Nitriding steels	< 1000 N/mm²	IC	126	0,100	0,150	0,190	0,250
Tool steels	< 850 N/mm²	IC	112	0,100	0,150	0,190	0,250
Tool steels	850-1100 N/mm²	IC	81	0,100	0,150	0,190	0,250
Stainless steels, sulphurated	< 700 N/mm²	IC	113	0,120	0,180	0,230	0,230
Stainless steels, austenitic	< 700 N/mm²	IC	105	0,120	0,180	0,230	0,230
Stainless steels, austenitic	< 850 N/mm²	IC	105	0,120	0,180	0,230	0,230
Stainless steels, martensitic	< 1100 N/mm²	IC	98	0,120	0,180	0,230	0,230
Titanium, titanium alloys	< 850 N/mm²	IC	60	0,060	0,120	0,180	0,180
Aluminium, aluminium alloys	< 530 N/mm²	IC	360	0,220	0,310	0,390	0,480
Aluminium, cast aluminium alloys < 10 % Si	< 600 N/mm²	IC	360	0,220	0,310	0,390	0,480
Magnesium, magnesium alloys	< 280 N/mm²	IC	360	0,220	0,310	0,390	0,480
Copper, low-alloy	< 350 N/mm²	IC	160	0,110	0,170	0,210	0,280
Brass, short-chipping	< 600 N/mm²	IC	200	0,110	0,170	0,210	0,280
Brass, long-chipping	< 600 N/mm²	IC	200	0,110	0,170	0,210	0,280
Bronze, short-chipping	< 600 N/mm²	IC	200	0,110	0,170	0,210	0,280
Bronze, short-chipping	650-850 N/mm²	IC	200	0,110	0,170	0,210	0,280
Bronze, long-chipping	< 850 N/mm²	IC	200	0,110	0,170	0,210	0,280
Bronze, long-chipping	850-1200 N/mm²	IC	200	0,110	0,170	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.