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Solid carbide twist drill bit, DIN 6537L, internal cooling DIN 6537L - DRL-TWST-DIN6537L-UV-IC-SC-TNS-HB-D4,7MM Solid carbide twist drill bit, DIN 6537L, internal cooling DIN 6537L - DRL-TWST-DIN6537L-UV-IC-SC-TNS-HB-D4,7MM
Solid carbide twist drill bit, DIN 6537L, internal cooling DIN 6537L - DRL-TWST-DIN6537L-UV-IC-SC-TNS-HB-D4,7MM - 1
Solid carbide twist drill bit, DIN 6537L, internal cooling DIN 6537L - DRL-TWST-DIN6537L-UV-IC-SC-TNS-HB-D4,7MM - 2

Solid carbide twist drill bit, DIN 6537L, internal cooling DIN 6537L

Twist drill bit SD DIN 6537L type N IC TiAlN-S Uni
DRL-TWST-DIN6537L-UV-IC-SC-TNS-HB-D4,7MM

Art.-no. 5443001628

EAN 4055375905784

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Solid carbide twist drill bit, DIN 6537L, internal cooling DIN 6537L

Art.-no. 5443001628

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Quantity
PU
x 1 pcs

Exclusively for trade customers

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Solid carbide high-performance drill bit with internal cooling channels for universal applications. Highly robust with universal application thanks to its straight main cutter. Its special grinding ensures optimal chipping, high centring accuracy and low cutting forces.
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Würth Catalogue

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Product code

6737

Material to be processed

Steel, Cast metal, Stainless steel, Titanium, Copper, Brass, Aluminium

Standards

DIN 6537

Design

Long

Surface

TiAlN-S

Max. drilling depth (D)

5xD

Cutting material

SC

Number of guiding chamfers

2 PCS

Angle of the tip

140 Degree

Number of cutting edges

2 PCS

Coolant supply

Internal

Diameter (d1)

4.7 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, 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 Speeddrill solid carbide high-performance drill bit, 3xd1 and 5xd1 with internal cooling
For dia. 1/2 in.-3/8 in.
Specifications Tensile strength Cooling vc f
Dia. 1/2 in. Dia. 1/4 in. Dia. 1/8 in. Dia. 3/8 in.
Steels
Structural steels for general use < 500 N/mm² E 125 0,34 0,22 0,16 0,28
500-850 N/mm² E 115 0,34 0,22 0,16 0,28
Carbon steels < 850 N/mm² E 115 0,34 0,22 0,16 0,28
850-1,000 N/mm² E 115 0,34 0,22 0,16 0,28
Non-alloyed heat-treated steels < 700 N/mm² E 115 0,32 0,21 0,15 0,28
700-850 N/mm² E 110 0,32 0,21 0,15 0,28
850-1,000 N/mm² E 105 0,20 0,12 0,08 0,28
Alloyed heat-treated steels 850-1,000 N/mm² E 110 0,20 0,12 0,08 0,28
1,000-1,200 N/mm² E 100 0,20 0,12 0,08 0,28
Unalloyed hardened steels < 750 N/mm² E 115 0,34 0,22 0,16 0,28
Alloyed hardened steels < 1,000 N/mm² E 110 0,34 0,22 0,16 0,28
1,000-1,200 N/mm² E 85 0,32 0,21 0,15 0,28
Nitriding steels < 1,000 N/mm² E 100 0,20 0,12 0,08 0,28
1,000-1,200 N/mm² E 95 0,20 0,12 0,08 0,28
Tool steels < 850 N/mm² E 80 0,20 0,12 0,08 0,28
850-1,100 N/mm² E 65 0,20 0,12 0,08 0,28
1,100-1,400 N/mm² E 50 0,20 0,12 0,08 0,28
Abrasion-resistant structural steel 1,350 N/mm² E 40 0,20 0,12 0,08 0,28
1,800 N/mm² E 30 0,20 0,12 0,08 0,28
Spring steels < 1,200 N/mm² E 60 0,20 0,12 0,08 0,28
Stainless steels
Stainless and sulphur steels < 700 N/mm² E 60 0,20 0,12 0,08 0,28
Austentic stainless steels < 700 N/mm² E 55 0,20 0,12 0,08 0,28
< 850 N/mm² E 45 0,20 0,12 0,08 0,28
Martensitic stainless steels < 1,100 N/mm² E 40 0,20 0,12 0,08 0,28
Titanium, titanium alloys < 850 N/mm² E 40 0,16 0,08 0,04 0,28
Cast metals
Cast iron < 180 HB D/E 140 0,40 0,25 0,20 0,28
> 180 HB D/E 120 0,40 0,25 0,20 0,28
Nodular graphite, malleable iron > 180 HB E 120 0,30 0,18 0,13 0,28
> 260 HB E 110 0,30 0,18 0,13 0,28
Legend
D = pneumatic
E = emulsion
vc = cutting velocity [m/min]
f = feed [mm/rotation]
The recommended cutting values are reference values and must be adapted to the respective conditions.
Cutting values for Speeddrill solid carbide high-performance drill bit, 3xd1 and 5xd1 with internal cooling
For dia. 9-20
Specifications Tensile strength Cooling vc f
Dia. 9-11.9 Dia. 12-15.9 Dia. 16-20
Steels
Structural steels for general use < 500 N/mm² E 125 0,28 0,34 0,40
500-850 N/mm² E 115 0,28 0,34 0,40
Carbon steels < 850 N/mm² E 115 0,28 0,34 0,40
850-1,000 N/mm² E 115 0,28 0,34 0,40
Non-alloyed heat-treated steels < 700 N/mm² E 115 0,27 0,32 0,38
700-850 N/mm² E 110 0,27 0,32 0,38
850-1,000 N/mm² E 105 0,15 0,20 0,26
Alloyed heat-treated steels 850-1,000 N/mm² E 110 0,15 0,20 0,26
1,000-1,200 N/mm² E 100 0,15 0,20 0,26
Unalloyed hardened steels < 750 N/mm² E 115 0,28 0,34 0,40
Alloyed hardened steels < 1,000 N/mm² E 110 0,28 0,34 0,40
1,000-1,200 N/mm² E 85 0,27 0,32 0,38
Nitriding steels < 1,000 N/mm² E 100 0,15 0,20 0,26
1,000-1,200 N/mm² E 95 0,15 0,20 0,26
Tool steels < 850 N/mm² E 80 0,15 0,20 0,26
850-1,100 N/mm² E 65 0,15 0,20 0,26
1,100-1,400 N/mm² E 50 0,15 0,20 0,26
Abrasion-resistant structural steel 1,350 N/mm² E 40 0,15 0,20 0,26
1,800 N/mm² E 30 0,15 0,20 0,26
Spring steels < 1,200 N/mm² E 60 0,15 0,20 0,26
Stainless steels
Stainless and sulphur steels < 700 N/mm² E 60 0,15 0,20 0,26
Austentic stainless steels < 700 N/mm² E 55 0,15 0,20 0,26
< 850 N/mm² E 45 0,15 0,20 0,26
Martensitic stainless steels < 1,100 N/mm² E 40 0,15 0,20 0,26
Titanium, titanium alloys < 850 N/mm² E 40 0,12 0,16 0,22
Cast metals
Cast iron < 180 HB D/E 140 0,35 0,40 0,46
> 180 HB D/E 120 0,35 0,40 0,46
Nodular graphite, malleable iron > 180 HB E 120 0,23 0,30 0,36
> 260 HB E 110 0,23 0,30 0,36
Cutting values for Speeddrill solid carbide high-performance drill bit, 3xd1 and 5xd1 with internal cooling
For dia. 1-8.9
Specifications Tensile strength Cooling vc f
Dia. 1-1.9 Dia. 2-2.9 Dia. 3-5.9 Dia. 6-8.9
Steels
Structural steels for general use < 500 N/mm² E 125 0,06 0,09 0,16 0,04
500-850 N/mm² E 115 0,06 0,09 0,16 0,22
Carbon steels < 850 N/mm² E 115 0,06 0,09 0,16 0,22
850-1,000 N/mm² E 115 0,06 0,09 0,16 0,22
Non-alloyed heat-treated steels < 700 N/mm² E 115 0,05 0,08 0,15 0,21
700-850 N/mm² E 110 0,05 0,08 0,15 0,21
850-1,000 N/mm² E 105 0,03 0,05 0,08 0,12
Alloyed heat-treated steels 850-1,000 N/mm² E 110 0,03 0,05 0,08 0,12
1,000-1,200 N/mm² E 100 0,03 0,05 0,08 0,12
Unalloyed hardened steels < 750 N/mm² E 115 0,06 0,09 0,16 0,22
Alloyed hardened steels < 1,000 N/mm² E 110 0,06 0,09 0,16 0,22
1,000-1,200 N/mm² E 85 0,05 0,08 0,15 0,21
Nitriding steels < 1,000 N/mm² E 100 0,03 0,05 0,08 0,12
1,000-1,200 N/mm² E 95 0,03 0,05 0,08 0,12
Tool steels < 850 N/mm² E 80 0,03 0,05 0,08 0,12
850-1,100 N/mm² E 65 0,03 0,05 0,08 0,12
1,100-1,400 N/mm² E 50 0,03 0,05 0,08 0,12
Abrasion-resistant structural steel 1,350 N/mm² E 40 0,03 0,05 0,08 0,12
1,800 N/mm² E 30 0,03 0,05 0,08 0,12
Spring steels < 1,200 N/mm² E 60 0,03 0,05 0,08 0,12
Stainless steels
Stainless and sulphur steels < 700 N/mm² E 60 0,03 0,05 0,08 0,12
Austentic stainless steels < 700 N/mm² E 55 0,03 0,05 0,08 0,12
< 850 N/mm² E 45 0,03 0,05 0,08 0,12
Martensitic stainless steels < 1,100 N/mm² E 40 0,03 0,05 0,08 0,12
Titanium, titanium alloys < 850 N/mm² E 40 0,01 0,02 0,04 0,08
Cast metals
Cast iron < 180 HB D/E 140 0,08 0,13 0,20 0,25
> 180 HB D/E 120 0,08 0,13 0,20 0,25
Nodular graphite, malleable iron > 180 HB E 120 0,05 0,08 0,13 0,18
> 260 HB E 110 0,05 0,08 0,13 0,18
Cutting values for Speeddrill solid carbide high-performance drill bit, 3xd1 and 5xd1 with internal cooling
For dia. 3/16 in.-7/16 in.
Specifications Tensile strength Cooling vc f
Dia. 3/16 in. Dia. 5/16 in. Dia. 7/16 in.
Steels
Structural steels for general use < 500 N/mm² E 125 0,16 0,22 0,28
500-850 N/mm² E 115 0,16 0,22 0,28
Carbon steels < 850 N/mm² E 115 0,16 0,22 0,28
850-1,000 N/mm² E 115 0,16 0,22 0,28
Non-alloyed heat-treated steels < 700 N/mm² E 115 0,15 0,21 0,27
700-850 N/mm² E 110 0,15 0,21 0,27
850-1,000 N/mm² E 105 0,08 0,12 0,15
Alloyed heat-treated steels 850-1,000 N/mm² E 110 0,08 0,12 0,15
1,000-1,200 N/mm² E 100 0,08 0,12 0,15
Unalloyed hardened steels < 750 N/mm² E 115 0,16 0,22 0,28
Alloyed hardened steels < 1,000 N/mm² E 110 0,16 0,22 0,28
1,000-1,200 N/mm² E 85 0,15 0,21 0,27
Nitriding steels < 1,000 N/mm² E 100 0,08 0,12 0,15
1,000-1,200 N/mm² E 95 0,08 0,12 0,15
Tool steels < 850 N/mm² E 80 0,08 0,12 0,15
850-1,100 N/mm² E 65 0,08 0,12 0,15
1,100-1,400 N/mm² E 50 0,08 0,12 0,15
Abrasion-resistant structural steel 1,350 N/mm² E 40 0,08 0,12 0,15
1,800 N/mm² E 30 0,08 0,12 0,15
Spring steels < 1,200 N/mm² E 60 0,08 0,12 0,15
Stainless steels
Stainless and sulphur steels < 700 N/mm² E 60 0,08 0,12 0,15
Austentic stainless steels < 700 N/mm² E 55 0,08 0,12 0,15
< 850 N/mm² E 45 0,08 0,12 0,15
Martensitic stainless steels < 1,100 N/mm² E 40 0,08 0,12 0,15
Titanium, titanium alloys < 850 N/mm² E 40 0,04 0,08 0,12
Cast metals
Cast iron < 180 HB D/E 140 0,20 0,25 0,35
> 180 HB D/E 120 0,20 0,25 0,35
Nodular graphite, malleable iron > 180 HB E 120 0,13 0,18 0,23
> 260 HB E 110 0,13 0,18 0,23

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