Solid carbide twist drill bit, internal cooling - DRL-TWST-WN8XD-UV-IC-SC-TNS-HA-D8,0MM

Solid carbide twist drill bit, internal cooling

Name: Solid carbide twist drill bit, internal cooling
Brand: Würth
SKU: 5443001850

Twist drill SD WN-XL 8xD type N IC TiAlN-S Uni
DRL-TWST-WN8XD-UV-IC-SC-TNS-HA-D8,0MM

Art.-no. 5443001850

EAN 4055375909072

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Solid carbide twist drill bit, internal cooling

Art.-no. 5443001850

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Solid carbide high-performance drill bit with internal cooling channels for universal applications and considerable drilling depths of up to 8xd. 4 drill heels ensure very high alignment accuracy and stabilisation of the drill bit, including with very large drilling depths, and exact and precise drill holes. Special grinding ensures optimal chip breakage, high centring accuracy and low cutting forces.

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Product code	6747
Material to be processed	Steel, Cast metal, Stainless steel, Titanium, Copper, Brass, Aluminium
Standards	CS
Design	Extra long
Surface	TiAlN-S
Max. drilling depth (D)	8xD
Cutting material	SC
Number of guiding chamfers	4 PCS
Angle of the tip	135 Degree
Number of cutting edges	2 PCS
Coolant supply	Internal
Diameter (d1)	8.0 mm
Shank style	Cylindrical DIN 6535-HA
Length (l1)	114 mm
Chip flute length (l2)	76 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, 8xd1 with internal cooling
For dia. 3 to dia. 8.9
Material designation	Tensile strength	Cooling	v_c	f
				Dia. 3 to dia. 5.9	Dia. 6 to dia. 8.9
General structural steels	< 500 N/mm²	E	110	0,160	0,220
General structural steels	500-850 N/mm²	E	100	0,160	0,220
Carbon steels	< 850 N/mm²	E	110	0,160	0,220
Carbon steels	850-1000 N/mm²	E	100	0,160	0,220
Unalloyed heat-treated steels	< 700 N/mm²	E	95	0,150	0,210
	700-850 N/mm²	E	95	0,150	0,210
	850-1000 N/mm²	E	95	0,080	0,120
Alloyed heat-treated steels	850-1000 N/mm²	E	95	0,080	0,120
Alloyed heat-treated steels	1000-1200 N/mm²	E	85	0,080	0,120
Non-alloyed case-hardening steels	< 750 N/mm²	E	95	0,160	0,220
Alloyed case-hardening steels	< 1000 N/mm²	E	90	0,160	0,220
Alloyed case-hardening steels	1000-1200 N/mm²	E	85	0,150	0,210
Nitriding steels	< 1000 N/mm²	E	90	0,080	0,120
Nitriding steels	1000-1200 N/mm²	E	85	0,080	0,120
Tool steels	< 850 N/mm²	E	75	0,080	0,120
Tool steels	850-1100 N/mm²	E	65	0,080	0,120
Stainless steels, sulphurated	< 700 N/mm²	E	75	0,080	0,120
Stainless steels, austenitic	< 700 N/mm²	E	70	0,080	0,120
Stainless steels, austenitic	< 850 N/mm²	E	70	0,080	0,120
Stainless steels, martensitic	< 1100 N/mm²	E	65	0,080	0,120
Cast iron	< 180 HB	E	130	0,200	0,250
Cast iron	> 180 HB	E	110	0,200	0,250
Nodular graphite, malleable iron	> 180 HB	E	110	0,130	0,180
Nodular graphite, malleable iron	> 260 HB	E	110	0,130	0,180
Titanium, titanium alloys	< 850 N/mm²	E	40	0,040	0,080

Legend
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, 8xd1 with internal cooling
For dia. 9 to dia. 16
Material designation	Tensile strength	Cooling	v_c	f
				Dia. 9 to dia. 11.9	Dia. 12 to dia. 16
General structural steels	< 500 N/mm²	E	110	0,280	0,340
General structural steels	500-850 N/mm²	E	100	0,280	0,340
Carbon steels	< 850 N/mm²	E	110	0,280	0,340
Carbon steels	850-1000 N/mm²	E	100	0,280	0,340
Unalloyed heat-treated steels	< 700 N/mm²	E	95	0,270	0,320
	700-850 N/mm²	E	95	0,270	0,320
	850-1000 N/mm²	E	95	0,150	0,200
Alloyed heat-treated steels	850-1000 N/mm²	E	95	0,150	0,200
Alloyed heat-treated steels	1000-1200 N/mm²	E	85	0,150	0,200
Non-alloyed case-hardening steels	< 750 N/mm²	E	95	0,280	0,340
Alloyed case-hardening steels	< 1000 N/mm²	E	90	0,280	0,340
Alloyed case-hardening steels	1000-1200 N/mm²	E	85	0,270	0,320
Nitriding steels	< 1000 N/mm²	E	90	0,150	0,200
Nitriding steels	1000-1200 N/mm²	E	85	0,150	0,200
Tool steels	< 850 N/mm²	E	75	0,150	0,200
Tool steels	850-1100 N/mm²	E	65	0,150	0,200
Stainless steels, sulphurated	< 700 N/mm²	E	75	0,150	0,200
Stainless steels, austenitic	< 700 N/mm²	E	70	0,150	0,200
Stainless steels, austenitic	< 850 N/mm²	E	70	0,150	0,200
Stainless steels, martensitic	< 1100 N/mm²	E	65	0,150	0,200
Cast iron	< 180 HB	E	130	0,350	0,400
Cast iron	> 180 HB	E	110	0,350	0,400
Nodular graphite, malleable iron	> 180 HB	E	110	0,230	0,300
Nodular graphite, malleable iron	> 260 HB	E	110	0,230	0,300
Titanium, titanium alloys	< 850 N/mm²	E	40	0,120	0,160