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Solid carbide twist drill bit, internal cooling - DRL-TWST-WN8XD-UV-IC-SC-TNS-HB-D5,0MM Solid carbide twist drill bit, internal cooling - DRL-TWST-WN8XD-UV-IC-SC-TNS-HB-D5,0MM
Solid carbide twist drill bit, internal cooling - DRL-TWST-WN8XD-UV-IC-SC-TNS-HB-D5,0MM - 1
Solid carbide twist drill bit, internal cooling - DRL-TWST-WN8XD-UV-IC-SC-TNS-HB-D5,0MM - 2

Solid carbide twist drill bit, internal cooling

Twist drill SD WN-XL 8xD type N IC TiAlN-S Uni
DRL-TWST-WN8XD-UV-IC-SC-TNS-HB-D5,0MM

Art.-no. 5443001884
EAN 4055375908754
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Solid carbide twist drill bit, internal cooling

Art.-no. 5443001884

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Quantity
PU
x 1 pcs

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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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Würth Catalogue

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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)

5.0 mm

Shank style

Cylindrical DIN 6535-HB

Length (l1)

95 mm

Chip flute length (l2)

57 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, 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 vc 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
500-850 N/mm² E 100 0,160 0,220
Carbon steels < 850 N/mm² E 110 0,160 0,220
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
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
1000-1200 N/mm² E 85 0,150 0,210
Nitriding steels < 1000 N/mm² E 90 0,080 0,120
1000-1200 N/mm² E 85 0,080 0,120
Tool steels < 850 N/mm² E 75 0,080 0,120
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
< 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
> 180 HB E 110 0,200 0,250
Nodular graphite, malleable iron > 180 HB E 110 0,130 0,180
> 260 HB E 110 0,130 0,180
Titanium, titanium alloys < 850 N/mm² E 40 0,040 0,080
Legend
E = emulsion
vc = 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 vc f
Dia. 9 to dia. 11.9 Dia. 12 to dia. 16
General structural steels < 500 N/mm² E 110 0,280 0,340
500-850 N/mm² E 100 0,280 0,340
Carbon steels < 850 N/mm² E 110 0,280 0,340
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
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
1000-1200 N/mm² E 85 0,270 0,320
Nitriding steels < 1000 N/mm² E 90 0,150 0,200
1000-1200 N/mm² E 85 0,150 0,200
Tool steels < 850 N/mm² E 75 0,150 0,200
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
< 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
> 180 HB E 110 0,350 0,400
Nodular graphite, malleable iron > 180 HB E 110 0,230 0,300
> 260 HB E 110 0,230 0,300
Titanium, titanium alloys < 850 N/mm² E 40 0,120 0,160

Art.-no.
Cust. Mat. No.

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