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Solid carbide twist drill bit, internal cooling DIN 6537L - DRL-TWST-DIN6537L-UV-IC-SC-TNS-HA-D7,0MM Solid carbide twist drill bit, internal cooling DIN 6537L - DRL-TWST-DIN6537L-UV-IC-SC-TNS-HA-D7,0MM
Solid carbide twist drill bit, internal cooling DIN 6537L - DRL-TWST-DIN6537L-UV-IC-SC-TNS-HA-D7,0MM - 1
Solid carbide twist drill bit, internal cooling DIN 6537L - DRL-TWST-DIN6537L-UV-IC-SC-TNS-HA-D7,0MM - 2

Solid carbide twist drill bit, internal cooling DIN 6537L

Twist drill bit SD DIN 6537L type N IC TiAlN-S Uni
DRL-TWST-DIN6537L-UV-IC-SC-TNS-HA-D7,0MM

Art.-no. 5443001545
EAN 4055375906514
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Solid carbide twist drill bit, internal cooling DIN 6537L

Art.-no. 5443001545

Prices for customers after login
Quantity
PU
x 1 pcs

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Solid carbide high-performance drill bit with internal cooling channels 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

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)

7.0 mm

Shank style

Cylindrical DIN 6535-HA

Length (l1)

91 mm

Chip flute length (l2)

53 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

Legend
D = pneumatic
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.
For dia. 9-20
Material designation Tensile strength Cooling vc f
Dia. 9 to dia. 11.9 Dia. 12 to dia. 15.9 Dia. 16 to dia. 20
Steels
General structural steels < 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
850-1000 N/mm² E 115 0,28 0,34 0,40
Unalloyed 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
850-1000 N/mm² E 105 0,15 0,20 0,26
Alloyed heat-treated steels 850-1000 N/mm² E 110 0,15 0,20 0,26
1000-1200 N/mm² E 100 0,15 0,20 0,26
Unalloyed case-hardening steels < 750 N/mm² E 115 0,28 0,34 0,40
Alloyed case-hardening steels < 1000 N/mm² E 110 0,28 0,34 0,40
1000-1200 N/mm² E 85 0,27 0,32 0,38
Nitriding steels < 1000 N/mm² E 100 0,15 0,20 0,26
1000-1200 N/mm² E 95 0,15 0,20 0,26
Tool steels < 850 N/mm² E 80 0,15 0,20 0,26
850-1100 N/mm² E 65 0,15 0,20 0,26
1100-1400 N/mm² E 50 0,15 0,20 0,26
Wear-resistant constructional steel 1350 N/mm² E 40 0,15 0,20 0,26
1800 N/mm² E 30 0,15 0,20 0,26
Spring steels < 1200 N/mm² E 60 0,15 0,20 0,26
Stainless steels
Stainless steels, sulphurated < 700 N/mm² E 60 0,15 0,20 0,26
Stainless steels, austenitic < 700 N/mm² E 55 0,15 0,20 0,26
< 850 N/mm² E 45 0,15 0,20 0,26
Stainless steels, martensitic < 1100 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
For dia. 1/2 inch-dia. 3/8 inch
Material designation Tensile strength Cooling vc f
Dia. 1/2 inch Dia. 1/4 inch Dia. 1/8 inch Dia. 3/8 inch
Steels
General structural steels < 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
850-1000 N/mm² E 115 0,34 0,22 0,16 0,28
Unalloyed 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
850-1000 N/mm² E 105 0,20 0,12 0,08 0,28
Alloyed heat-treated steels 850-1000 N/mm² E 110 0,20 0,12 0,08 0,28
1000-1200 N/mm² E 100 0,20 0,12 0,08 0,28
Unalloyed case-hardening steels < 750 N/mm² E 115 0,34 0,22 0,16 0,28
Alloyed case-hardening steels < 1000 N/mm² E 110 0,34 0,22 0,16 0,28
1000-1200 N/mm² E 85 0,32 0,21 0,15 0,28
Nitriding steels < 1000 N/mm² E 100 0,20 0,12 0,08 0,28
1000-1200 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
850-1100 N/mm² E 65 0,20 0,12 0,08 0,28
1100-1400 N/mm² E 50 0,20 0,12 0,08 0,28
Wear-resistant constructional steel 1350 N/mm² E 40 0,20 0,12 0,08 0,28
1800 N/mm² E 30 0,20 0,12 0,08 0,28
Spring steels < 1200 N/mm² E 60 0,20 0,12 0,08 0,28
Stainless steels
Stainless steels, sulphurated < 700 N/mm² E 60 0,20 0,12 0,08 0,28
Stainless steels, austenitic < 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
Stainless steels, martensitic < 1100 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
For dia. 1 to dia. 8.9
Material designation Tensile strength Cooling vc 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
Steels
General structural steels < 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
850-1000 N/mm² E 115 0,06 0,09 0,16 0,22
Unalloyed 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
850-1000 N/mm² E 105 0,03 0,05 0,08 0,12
Alloyed heat-treated steels 850-1000 N/mm² E 110 0,03 0,05 0,08 0,12
1000-1200 N/mm² E 100 0,03 0,05 0,08 0,12
Unalloyed case-hardening steels < 750 N/mm² E 115 0,06 0,09 0,16 0,22
Alloyed case-hardening steels < 1000 N/mm² E 110 0,06 0,09 0,16 0,22
1000-1200 N/mm² E 85 0,05 0,08 0,15 0,21
Nitriding steels < 1000 N/mm² E 100 0,03 0,05 0,08 0,12
1000-1200 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
850-1100 N/mm² E 65 0,03 0,05 0,08 0,12
1100-1400 N/mm² E 50 0,03 0,05 0,08 0,12
Wear-resistant constructional steel 1350 N/mm² E 40 0,03 0,05 0,08 0,12
1800 N/mm² E 30 0,03 0,05 0,08 0,12
Spring steels < 1200 N/mm² E 60 0,03 0,05 0,08 0,12
Stainless steels
Stainless steels, sulphurated < 700 N/mm² E 60 0,03 0,05 0,08 0,12
Stainless steels, austenitic < 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
Stainless steels, martensitic < 1100 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
For dia. 3/16 inch-dia. 7/16 inch
Material designation Tensile strength Cooling vc f
Dia. 3/16 inch Dia. 5/16 inch Dia. 7/16 inch
Steels
General structural steels < 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
850-1000 N/mm² E 115 0,16 0,22 0,28
Unalloyed 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
850-1000 N/mm² E 105 0,08 0,12 0,15
Alloyed heat-treated steels 850-1000 N/mm² E 110 0,08 0,12 0,15
1000-1200 N/mm² E 100 0,08 0,12 0,15
Unalloyed case-hardening steels < 750 N/mm² E 115 0,16 0,22 0,28
Alloyed case-hardening steels < 1000 N/mm² E 110 0,16 0,22 0,28
1000-1200 N/mm² E 85 0,15 0,21 0,27
Nitriding steels < 1000 N/mm² E 100 0,08 0,12 0,15
1000-1200 N/mm² E 95 0,08 0,12 0,15
Tool steels < 850 N/mm² E 80 0,08 0,12 0,15
850-1100 N/mm² E 65 0,08 0,12 0,15
1100-1400 N/mm² E 50 0,08 0,12 0,15
Wear-resistant constructional steel 1350 N/mm² E 40 0,08 0,12 0,15
1800 N/mm² E 30 0,08 0,12 0,15
Spring steels < 1200 N/mm² E 60 0,08 0,12 0,15
Stainless steels
Stainless steels, sulphurated < 700 N/mm² E 60 0,08 0,12 0,15
Stainless steels, austenitic < 700 N/mm² E 55 0,08 0,12 0,15
< 850 N/mm² E 45 0,08 0,12 0,15
Stainless steels, martensitic < 1100 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

Art.-no.
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