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SC short twist drill bit DIN 6539 - DRL-TWST-MET-DIN6539N-SC-TN-D7,0MM SC short twist drill bit DIN 6539 - DRL-TWST-MET-DIN6539N-SC-TN-D7,0MM
SC short twist drill bit DIN 6539 - DRL-TWST-MET-DIN6539N-SC-TN-D7,0MM - 1
SC short twist drill bit DIN 6539 - DRL-TWST-MET-DIN6539N-SC-TN-D7,0MM - 2

SC short twist drill bit DIN 6539

Twist drill solid carbide DIN6539-K type N TiAlN
DRL-TWST-MET-DIN6539N-SC-TN-D7,0MM

Art.-no. 5443000186
EAN 4055375888605
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SC short twist drill bit DIN 6539

Art.-no. 5443000186

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Quantity
PU
x 1 pcs

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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≤ Ø 2.9 mm - 4 surface grinding
≥ Ø 3.0 mm - 6 surface grinding
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Würth Catalogue

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Product code

6147

Material to be processed

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

Standards

DIN 6539

Design

Short

Surface

TiAlN

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)

7.0 mm

Shank style

Cylindrical

Length (l1)

74 mm

Chip flute length (l2)

34 mm

Tolerance of cutting edge diameter

h7

Shank diameter (d2)

7 mm

Drill design

6 ground faces

Tolerance of shank diameter

h5

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, Plastics

Cutting values for solid carbide drill bits, coated
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 80 100 0,020 0,040 0,060 0,100
500-850 N/mm² E 80 100 0,020 0,040 0,060 0,100
Machining steels < 850 N/mm² E 80 100 0,020 0,040 0,060 0,100
850-1000 N/mm² E 70 85 0,020 0,040 0,060 0,100
Unalloyed heat-treated steels < 700 N/mm² E 80 100 0,020 0,040 0,060 0,100
700-850 N/mm² E 80 100 0,020 0,040 0,060 0,100
850-1000 N/mm² E 70 85 0,010 0,030 0,050 0,090
Alloyed heat-treated steels 850-1000 N/mm² E 70 85 0,010 0,030 0,050 0,090
1000-1200 N/mm² E 65 80 0,010 0,030 0,050 0,090
Non-alloyed case-hardening steels < 750 N/mm² E 80 100 0,010 0,030 0,050 0,090
Alloyed case-hardening steels < 1000 N/mm² E 70 85 0,010 0,030 0,050 0,090
1000-1200 N/mm² E 65 80 0,010 0,030 0,050 0,090
Nitriding steels < 1000 N/mm² E 70 85 0,010 0,030 0,050 0,080
1000-1200 N/mm² E 65 80 0,010 0,030 0,050 0,080
Tool steels < 850 N/mm² E 70 85 0,010 0,030 0,050 0,080
850-1100 N/mm² E 65 80 0,010 0,030 0,050 0,080
1100-1400 N/mm² E 40 50 0,010 0,030 0,050 0,080
High-speed steels 850-1200 N/mm² E 40 50 0,010 0,030 0,050 0,080
Wear-resistant constructional steel 1350 N/mm² E 25 45 0,010 0,030 0,050 0,080
Spring steels < 1200 N/mm² E 25 45 0,010 0,030 0,050 0,080
Stainless steels, sulphurated < 700 N/mm² E 40 50 0,010 0,030 0,050 0,090
Stainless steels, austenitic < 700 N/mm² E 40 50 0,010 0,030 0,050 0,090
< 850 N/mm² E 32.5 45.5 0,010 0,030 0,050 0,090
Stainless steels, martensitic < 1100 N/mm² E 32.5 45.5 0,010 0,030 0,050 0,090
Special alloys < 1200 N/mm² E 20 35 0,010 0,030 0,050 0,080
Cast iron < 180 HB T/E 90 130 0,010 0,030 0,050 0,090
> 180 HB T/E 90 130 0,010 0,030 0,050 0,090
Spheroidal graphite, malleable iron > 180 HB E 84.5 100 0,010 0,030 0,050 0,090
> 260 HB E 84.5 100 0,010 0,030 0,050 0,090
Titanium, titanium alloys < 850 N/mm² E 25 45 0,010 0,030 0,050 0,080
Aluminium, aluminium alloys < 530 N/mm² E 200 300 0,020 0,040 0,060 0,100
Aluminium, cast aluminium alloys < 10 % Si < 600 N/mm² E 130 230 0,020 0,040 0,060 0,100
Aluminium, cast aluminium alloys > 10 % Si < 600 N/mm² E 130 230 0,020 0,040 0,060 0,100
Magnesium, magnesium alloys < 280 N/mm² E 200 300 0,020 0,040 0,060 0,100
Copper, low-alloy < 350 N/mm² E 130 230 0,020 0,040 0,060 0,100
Brass, short-chipping < 600 N/mm² E 130 230 0,020 0,040 0,060 0,100
Brass, long-chipping < 600 N/mm² E 130 230 0,020 0,040 0,060 0,100
Bronze, short-chipping < 600 N/mm² E 130 230 0,020 0,040 0,060 0,100
650-850 N/mm² E 130 230 0,020 0,040 0,060 0,100
Bronze, long-chipping < 850 N/mm² E 120 180 0,010 0,030 0,050 0,090
850-1200 N/mm² E 120 180 0,010 0,030 0,050 0,090
Graphite T 90 130 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 solid carbide drill bits, coated
For dia. 6-14
Material designation Tensile strength Cooling vc f
from to Dia. 6-8.9 Dia. 9-11.9 Dia. 12-14
General structural steels < 500 N/mm² E 80 100 0,140 0,170 0,230
500-850 N/mm² E 80 100 0,140 0,170 0,230
Machining steels < 850 N/mm² E 80 100 0,140 0,170 0,230
850-1000 N/mm² E 70 85 0,140 0,170 0,230
Unalloyed heat-treated steels < 700 N/mm² E 80 100 0,140 0,170 0,230
700-850 N/mm² E 80 100 0,140 0,170 0,230
850-1000 N/mm² E 70 85 0,120 0,150 0,200
Alloyed heat-treated steels 850-1000 N/mm² E 70 85 0,120 0,150 0,200
1000-1200 N/mm² E 65 80 0,120 0,150 0,200
Non-alloyed case-hardening steels < 750 N/mm² E 80 100 0,120 0,150 0,200
Alloyed case-hardening steels < 1000 N/mm² E 70 85 0,120 0,150 0,200
1000-1200 N/mm² E 65 80 0,120 0,150 0,200
Nitriding steels < 1000 N/mm² E 70 85 0,110 0,140 0,180
1000-1200 N/mm² E 65 80 0,110 0,140 0,180
Tool steels < 850 N/mm² E 70 85 0,110 0,140 0,180
850-1100 N/mm² E 65 80 0,110 0,140 0,180
1100-1400 N/mm² E 40 50 0,110 0,140 0,180
High-speed steels 850-1200 N/mm² E 40 50 0,110 0,140 0,180
Wear-resistant constructional steel 1350 N/mm² E 25 45 0,110 0,140 0,180
Spring steels < 1200 N/mm² E 25 45 0,110 0,140 0,180
Stainless steels, sulphurated < 700 N/mm² E 40 50 0,120 0,150 0,200
Stainless steels, austenitic < 700 N/mm² E 40 50 0,120 0,150 0,200
< 850 N/mm² E 32.5 45.5 0,120 0,150 0,200
Stainless steels, martensitic < 1100 N/mm² E 32.5 45.5 0,120 0,150 0,200
Special alloys < 1200 N/mm² E 20 35 0,110 0,140 0,180
Cast iron < 180 HB T/E 90 130 0,130 0,160 0,210
> 180 HB T/E 90 130 0,130 0,160 0,210
Spheroidal graphite, malleable iron > 180 HB E 84.5 100 0,120 0,150 0,200
> 260 HB E 84.5 100 0,120 0,150 0,200
Titanium, titanium alloys < 850 N/mm² E 25 45 0,110 0,140 0,180
Aluminium, aluminium alloys < 530 N/mm² E 200 300 0,140 0,170 0,230
Aluminium, cast aluminium alloys < 10 % Si < 600 N/mm² E 130 230 0,140 0,170 0,230
Aluminium, cast aluminium alloys > 10 % Si < 600 N/mm² E 130 230 0,140 0,170 0,230
Magnesium, magnesium alloys < 280 N/mm² E 200 300 0,140 0,170 0,230
Copper, low-alloy < 350 N/mm² E 130 230 0,140 0,170 0,230
Brass, short-chipping < 600 N/mm² E 130 230 0,140 0,170 0,230
Brass, long-chipping < 600 N/mm² E 130 230 0,140 0,170 0,230
Bronze, short-chipping < 600 N/mm² E 130 230 0,140 0,170 0,230
650-850 N/mm² E 130 230 0,140 0,170 0,230
Bronze, long-chipping < 850 N/mm² E 120 180 0,130 0,160 0,210
850-1200 N/mm² E 120 180 0,130 0,160 0,210
Graphite T 90 130 0,130 0,160 0,210

Art.-no.
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