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Solid carbide short twist drill bit DIN 6539

Twist drill solid carbide DIN6539-K 3xD type N
DRL-TWST-MET-DIN6539N-SC-D4,0MM

Art.-no. 5443000036
EAN 4055375887028
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Particularly suitable for drilling in high-strength steels, chromium-nickel steels, chilled cast iron, grey cast iron, cast steel, manganese high carbon steel, bronze, aluminium with high silicon content and other difficult-to-machine materials.
Notice ≤ dia. 2.9 mm - 4 cutting edges
≥ dia. 3.0 mm - 6 cutting edges

Product code

6146

Material to be processed

Steel, Titanium, Copper, Brass, Aluminium, Plastic

Standards

DIN 6539

Design

Short

Surface

Plain

Max. drilling depth (D)

3xD

Cutting material

SC

Angle of the tip

118 Degree

Number of cutting edges

2 PCS

Coolant supply

External

Diameter (d1)

4.0 mm

Shank style

Cylindrical

Length (l1)

55 mm

Chip flute length (l2)

22 mm

Tolerance of cutting edge diameter

h7

Shank diameter (d2)

4 mm

Tolerance of shank diameter

h5

Material of sub-group

General structural steels, Non-alloyed tempering steels < 1000 N/mm², Titanium, Titanium alloys, Copper, Brass, Aluminium, Plastics

Cutting values
For dia. 0.5-5.9
Material designation Tensile strength Cooling vc f
from to Dia. 0.5-0.9 Dia. 1-1.9 Dia. 2-2.9 Dia. 3-5.9
General structural steels < 500 N/mm² E 60 75 0,020 0,040 0,060 0,100
500-850 N/mm² E 60 75 0,020 0,040 0,060 0,100
Carbon steels < 850 N/mm² E 60 75 0,020 0,040 0,060 0,100
850-1000 N/mm² E 55 65 0,020 0,040 0,060 0,100
Unalloyed heat-treated steels < 700 N/mm² E 60 75 0,020 0,040 0,060 0,100
700-850 N/mm² E 60 75 0,020 0,040 0,060 0,100
850-1000 N/mm² E 55 65 0,010 0,030 0,050 0,090
Alloyed heat-treated steels 850-1000 N/mm² E 55 65 0,010 0,030 0,050 0,090
1000-1200 N/mm² E 50 60 0,010 0,030 0,050 0,090
Unalloyed case-hardening steels < 750 N/mm² E 60 75 0,010 0,030 0,050 0,090
Alloyed case-hardening steels < 1000 N/mm² E 55 65 0,010 0,030 0,050 0,090
1000-1200 N/mm² E 50 60 0,010 0,030 0,050 0,090
Nitriding steels < 1000 N/mm² E 55 65 0,010 0,030 0,050 0,080
1000-1200 N/mm² E 50 60 0,010 0,030 0,050 0,080
Tool steels < 850 N/mm² E 55 65 0,010 0,030 0,050 0,080
850-1100 N/mm² E 50 60 0,010 0,030 0,050 0,080
1100-1400 N/mm² E 30 40 0,010 0,030 0,050 0,080
High-speed steels 850-1200 N/mm² E 30 40 0,010 0,030 0,050 0,080
Wear-resistant constructional steel 1350 N/mm² E 20 35 0,010 0,030 0,050 0,080
Spring steels < 1200 N/mm² E 20 35 0,010 0,030 0,050 0,080
Stainless steels, sulphurated < 700 N/mm² E 30 40 0,010 0,030 0,050 0,090
Stainless steels, austenitic < 700 N/mm² E 30 40 0,010 0,030 0,050 0,090
< 850 N/mm² E 25 35 0,010 0,030 0,050 0,090
Stainless steels, martensitic < 1100 N/mm² E 25 35 0,010 0,030 0,050 0,090
Special alloys < 1200 N/mm² E 15 25 0,010 0,030 0,050 0,080
Cast iron < 180 HB T/E 70 100 0,010 0,030 0,050 0,090
> 180 HB T/E 70 100 0,010 0,030 0,050 0,090
Nodular graphite, malleable iron > 180 HB E 65 75 0,010 0,030 0,050 0,090
> 260 HB E 65 75 0,010 0,030 0,050 0,090
Titanium, titanium alloys < 850 N/mm² E 20 35 0,010 0,030 0,050 0,080
Aluminium, aluminium alloys < 530 N/mm² E 150 220 0,020 0,040 0,060 0,100
Aluminium, cast aluminium alloys < 10 % Si < 600 N/mm² E 100 180 0,020 0,040 0,060 0,100
Aluminium, cast aluminium alloys > 10 % Si < 600 N/mm² E 100 180 0,020 0,040 0,060 0,100
Magnesium, magnesium alloys < 280 N/mm² E 150 220 0,020 0,040 0,060 0,100
Copper, low-alloy < 350 N/mm² E 100 180 0,020 0,040 0,060 0,100
Brass, short-chipping < 600 N/mm² E 100 180 0,020 0,040 0,060 0,100
Brass, long-chipping < 600 N/mm² E 100 180 0,020 0,040 0,060 0,100
Bronze, short-chipping < 600 N/mm² E 100 180 0,020 0,040 0,060 0,100
650-850 N/mm² E 100 180 0,020 0,040 0,060 0,100
Bronze, long-chipping < 850 N/mm² E 90 140 0,010 0,030 0,050 0,090
850-1200 N/mm² E 90 140 0,010 0,030 0,050 0,090
Graphite T 70 100 0,010 0,030 0,050 0,090
Legend
E = emulsion
T = dry
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 dia. 6-20
Material designation Tensile strength Cooling vc f
from to Dia. 6-8.9 Dia. 9-11.9 Dia. 12-15.9 Dia. 16-20
General structural steels < 500 N/mm² E 60 75 0,140 0,170 0,230 0,276
500-850 N/mm² E 60 75 0,140 0,170 0,230 0,276
Carbon steels < 850 N/mm² E 60 75 0,140 0,170 0,230 0,276
850-1000 N/mm² E 55 65 0,140 0,170 0,230 0,276
Unalloyed heat-treated steels < 700 N/mm² E 60 75 0,140 0,170 0,230 0,276
700-850 N/mm² E 60 75 0,140 0,170 0,230 0,276
850-1000 N/mm² E 55 65 0,120 0,150 0,200 0,240
Alloyed heat-treated steels 850-1000 N/mm² E 55 65 0,120 0,150 0,200 0,240
1000-1200 N/mm² E 50 60 0,120 0,150 0,200 0,240
Unalloyed case-hardening steels < 750 N/mm² E 60 75 0,120 0,150 0,200 0,240
Alloyed case-hardening steels < 1000 N/mm² E 55 65 0,120 0,150 0,200 0,240
1000-1200 N/mm² E 50 60 0,120 0,150 0,200 0,240
Nitriding steels < 1000 N/mm² E 55 65 0,110 0,140 0,180 0,216
1000-1200 N/mm² E 50 60 0,110 0,140 0,180 0,216
Tool steels < 850 N/mm² E 55 65 0,110 0,140 0,180 0,216
850-1100 N/mm² E 50 60 0,110 0,140 0,180 0,216
1100-1400 N/mm² E 30 40 0,110 0,140 0,180 0,216
High-speed steels 850-1200 N/mm² E 30 40 0,110 0,140 0,180 0,216
Wear-resistant constructional steel 1350 N/mm² E 20 35 0,110 0,140 0,180 0,216
Spring steels < 1200 N/mm² E 20 35 0,110 0,140 0,180 0,216
Stainless steels, sulphurated < 700 N/mm² E 30 40 0,120 0,150 0,200 0,240
Stainless steels, austenitic < 700 N/mm² E 30 40 0,120 0,150 0,200 0,240
< 850 N/mm² E 25 35 0,120 0,150 0,200 0,240
Stainless steels, martensitic < 1100 N/mm² E 25 35 0,120 0,150 0,200 0,240
Special alloys < 1200 N/mm² E 15 25 0,110 0,140 0,180 0,216
Cast iron < 180 HB T/E 70 100 0,130 0,160 0,210 0,252
> 180 HB T/E 70 100 0,130 0,160 0,210 0,252
Nodular graphite, malleable iron > 180 HB E 65 75 0,120 0,150 0,200 0,240
> 260 HB E 65 75 0,120 0,150 0,200 0,240
Titanium, titanium alloys < 850 N/mm² E 20 35 0,110 0,140 0,180 0,216
Aluminium, aluminium alloys < 530 N/mm² E 150 220 0,140 0,170 0,230 0,276
Aluminium, cast aluminium alloys < 10 % Si < 600 N/mm² E 100 180 0,140 0,170 0,230 0,276
Aluminium, cast aluminium alloys > 10 % Si < 600 N/mm² E 100 180 0,140 0,170 0,230 0,276
Magnesium, magnesium alloys < 280 N/mm² E 150 220 0,140 0,170 0,230 0,276
Copper, low-alloy < 350 N/mm² E 100 180 0,140 0,170 0,230 0,276
Brass, short-chipping < 600 N/mm² E 100 180 0,140 0,170 0,230 0,276
Brass, long-chipping < 600 N/mm² E 100 180 0,140 0,170 0,230 0,276
Bronze, short-chipping < 600 N/mm² E 100 180 0,140 0,170 0,230 0,276
650-850 N/mm² E 100 180 0,140 0,170 0,230 0,276
Bronze, long-chipping < 850 N/mm² E 90 140 0,130 0,160 0,210 0,252
850-1200 N/mm² E 90 140 0,130 0,160 0,210 0,252
Graphite T 70 100 0,130 0,160 0,210 0,252

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