SC twist drill bit DIN 6537K - DRL-TWST-DIN6537K-UV-SC-TNS-HB-D15,8MM

SC twist drill bit DIN 6537K

Name: SC twist drill bit DIN 6537K
Brand: Würth
SKU: 5443000867

Twist drill SD DIN 6537K type N TiAlN-S Uni
DRL-TWST-DIN6537K-UV-SC-TNS-HB-D15,8MM

Art.-no. 5443000867

EAN 4055375903766

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SC twist drill bit DIN 6537K

Art.-no. 5443000867

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For universal applications. High robustness and universal application owing to straight main cutter. Special grinding ensures optimal chip breakage, high centring accuracy and low cutting forces.

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Product code	6727
Material to be processed	Steel, Cast metal, Stainless steel, Copper, Brass, Aluminium, Plastic
Standards	DIN 6537
Design	Short
Surface	TiAlN-S
Max. drilling depth (D)	3xD
Cutting material	SC
Number of guiding chamfers	2 PCS
Angle of the tip	140 Degree
Number of cutting edges	2 PCS
Coolant supply	External
Diameter (d1)	15.8 mm
Shank style	Cylindrical DIN 6535-HB
Length (l1)	115 mm
Chip flute length (l2)	65 mm
Tolerance of cutting edge diameter	h7
Shank diameter (d2)	16 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, Copper, Brass, Aluminium, Plastics

Legend
T = dry
E = emulsion
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.

Cutting values for solid carbide high-performance drill Speeddrill, 3xd1 without internal cooling
For dia. 1 to dia. 8.9
Material designation	Tensile strength	Cooling	v_c	f
				Dia. 1 to dia. 1.9	Dia. 2 to dia. 2.9	Dia. 3 to dia. 5.9	Dia. 6 to dia. 8.9
General structural steels	< 500 N/mm²	E	105	0,06	0,09	0,16	0,22
General structural steels	500-850 N/mm²	E	90	0,06	0,09	0,16	0,22
Machining steels	< 850 N/mm²	E	105	0,06	0,09	0,16	0,22
Machining steels	850-1000 N/mm²	E	90	0,06	0,09	0,16	0,22
Unalloyed heat-treated steels	< 700 N/mm²	E	85	0,05	0,08	0,15	0,21
	700-850 N/mm²	E	85	0,05	0,08	0,15	0,21
	850-1000 N/mm²	E	85	0,03	0,05	0,08	0,12
Alloyed heat-treated steels	850-1000 N/mm²	E	85	0,03	0,05	0,08	0,12
Alloyed heat-treated steels	1000-1200 N/mm²	E	80	0,03	0,05	0,08	0,12
Non-alloyed case-hardening steels	< 750 N/mm²	E	100	0,06	0,09	0,16	0,22
Alloyed case-hardening steels	< 1000 N/mm²	E	90	0,06	0,09	0,16	0,22
Alloyed case-hardening steels	1000-1200 N/mm²	E	85	0,05	0,08	0,15	0,21
Nitriding steels	< 1000 N/mm²	E	85	0,03	0,05	0,08	0,12
Nitriding steels	1000-1200 N/mm²	E	85	0,03	0,05	0,08	0,12
Tool steels	< 850 N/mm²	E	65	0,03	0,05	0,08	0,12
Tool steels	850-1100 N/mm²	E	55	0,03	0,05	0,08	0,12
Spring steels	< 1200 N/mm²	E	45	0,03	0,05	0,08	0,12
Cast iron	< 180 HB	T/E	120	0,08	0,13	0,20	0,25
Cast iron	> 180 HB	T/E	100	0,08	0,13	0,20	0,25
Spheroidal graphite, malleable iron	> 180 HB	E	100	0,05	0,08	0,13	0,18
Spheroidal graphite, malleable iron	> 260 HB	E	95	0,05	0,08	0,13	0,18

Cutting values for solid carbide high-performance drill Speeddrill, 3xd1 without internal cooling
For dia. 9 to dia. 20
Material designation	Tensile strength	Cooling	v_c	f
				Dia. 9 to dia. 11.9	Dia. 12 to dia. 15.9	Dia. 16 to dia. 20
General structural steels	< 500 N/mm²	E	105	0,28	0,34	0,40
General structural steels	500-850 N/mm²	E	90	0,28	0,34	0,40
Machining steels	< 850 N/mm²	E	105	0,28	0,34	0,40
Machining steels	850-1000 N/mm²	E	90	0,28	0,34	0,40
Unalloyed heat-treated steels	< 700 N/mm²	E	85	0,27	0,32	0,38
	700-850 N/mm²	E	85	0,27	0,32	0,38
	850-1000 N/mm²	E	85	0,15	0,20	0,26
Alloyed heat-treated steels	850-1000 N/mm²	E	85	0,15	0,20	0,26
Alloyed heat-treated steels	1000-1200 N/mm²	E	80	0,15	0,20	0,26
Non-alloyed case-hardening steels	< 750 N/mm²	E	100	0,28	0,34	0,40
Alloyed case-hardening steels	< 1000 N/mm²	E	90	0,28	0,34	0,40
Alloyed case-hardening steels	1000-1200 N/mm²	E	85	0,27	0,32	0,38
Nitriding steels	< 1000 N/mm²	E	85	0,15	0,20	0,26
Nitriding steels	1000-1200 N/mm²	E	85	0,15	0,20	0,26
Tool steels	< 850 N/mm²	E	65	0,15	0,20	0,26
Tool steels	850-1100 N/mm²	E	55	0,15	0,20	0,26
Spring steels	< 1200 N/mm²	E	45	0,15	0,20	0,26
Cast iron	< 180 HB	T/E	120	0,35	0,40	0,46
Cast iron	> 180 HB	T/E	100	0,35	0,40	0,46
Spheroidal graphite, malleable iron	> 180 HB	E	100	0,23	0,30	0,36
Spheroidal graphite, malleable iron	> 260 HB	E	95	0,23	0,30	0,36