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HPC solid carbide drill Speeddrill 4.0-Inox, DIN 6537K, 3xD short, 4 drill heels, with internal cooling - DRL-SP4.0-DIN6537K-IX-ND-IK-HB-D7,25MM HPC solid carbide drill Speeddrill 4.0-Inox, DIN 6537K, 3xD short, 4 drill heels, with internal cooling - DRL-SP4.0-DIN6537K-IX-ND-IK-HB-D7,25MM
HPC solid carbide drill Speeddrill 4.0-Inox, DIN 6537K, 3xD short, 4 drill heels, with internal cooling - DRL-SP4.0-DIN6537K-IX-ND-IK-HB-D7,25MM - 1
HPC solid carbide drill Speeddrill 4.0-Inox, DIN 6537K, 3xD short, 4 drill heels, with internal cooling - DRL-SP4.0-DIN6537K-IX-ND-IK-HB-D7,25MM - 2

HPC solid carbide drill Speeddrill 4.0-Inox, DIN 6537K, 3xD short, 4 drill heels, with internal cooling

Twist drill SD4.0 DIN 6537K type N IC NANODUR INOX
DRL-SP4.0-DIN6537K-IX-ND-IK-HB-D7,25MM

Art.-no. 5443011455
EAN 4062856165032
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HPC solid carbide drill Speeddrill 4.0-Inox, DIN 6537K, 3xD short, 4 drill heels, with internal cooling

Art.-no. 5443011455

Price for selected packaging unit
Quantity
PU
x 1 pcs

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Solid carbide, high-performance drill with internal cooling channels, in particular for machining stainless steels. The special point thinning results in perfect chip removal. Optimal roundness of the hole through 4 drill heels allows precise alignment of the hole with optimal surface quality. Generation 4.0 sets new standards in machining performance.
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Würth Catalogue

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Product code

6887

Material to be processed

Steel, Stainless steel, Cast metal, Titanium

Standards

DIN 6537

Design

Short

Surface

NANODUR

Max. drilling depth (D)

3xD

Cutting material

SC

Number of guiding chamfers

4 PCS

Angle of the tip

140 Degree

Number of cutting edges

2 PCS

Coolant supply

Internal

Diameter (d1)

7.25 mm

Shank style

Cylindrical DIN 6535-HB

Length (l1)

79 mm

Chip flute length (l2)

41 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, Grey cast iron, Malleable cast iron, Stainless steels < 850 N/mm², Stainless steels > 850 N/mm², Titanium

Cutting values for solid carbide high-performance drill Speeddrill 4.0
For dia. 3 to dia. 12
Material designation Tensile strength Cooling vc f
Dia. 3-5.9 Dia. 6-8.9 Dia. 9.0-11.9 Dia. 12
General structural steels < 500 N/mm² IC 175 0,220 0,310 0,390 0,480
500-850 N/mm² IC 161 0,220 0,310 0,390 0,480
Carbon steels < 850 N/mm² IC 161 0,220 0,310 0,390 0,480
850-1000 N/mm² IC 161 0,220 0,310 0,390 0,480
Unalloyed heat-treated steels < 700 N/mm² IC 161 0,210 0,290 0,380 0,450
700-850 N/mm² IC 154 0,210 0,290 0,380 0,450
850-1000 N/mm² IC 132 0,100 0,150 0,190 0,250
Alloyed heat-treated steels 850-1000 N/mm² IC 138 0,100 0,150 0,190 0,250
Unalloyed case-hardening steels < 750 N/mm² IC 161 0,220 0,310 0,390 0,480
Alloyed case-hardening steels < 1000 N/mm² IC 138 0,200 0,280 0,350 0,430
Nitriding steels < 1000 N/mm² IC 126 0,100 0,150 0,190 0,250
Tool steels < 850 N/mm² IC 112 0,100 0,150 0,190 0,250
850-1100 N/mm² IC 81 0,100 0,150 0,190 0,250
Stainless steels, sulphurated < 700 N/mm² IC 113 0,120 0,180 0,230 0,230
Stainless steels, austenitic < 700 N/mm² IC 105 0,120 0,180 0,230 0,230
< 850 N/mm² IC 105 0,120 0,180 0,230 0,230
Stainless steels, martensitic < 1100 N/mm² IC 98 0,120 0,180 0,230 0,230
Titanium, titanium alloys < 850 N/mm² IC 60 0,060 0,120 0,180 0,180
Aluminium, aluminium alloys < 530 N/mm² IC 360 0,220 0,310 0,390 0,480
Aluminium, cast aluminium alloys < 10 % Si < 600 N/mm² IC 360 0,220 0,310 0,390 0,480
Magnesium, magnesium alloys < 280 N/mm² IC 360 0,220 0,310 0,390 0,480
Copper, low-alloy < 350 N/mm² IC 160 0,110 0,170 0,210 0,280
Brass, short-chipping < 600 N/mm² IC 200 0,110 0,170 0,210 0,280
Brass, long-chipping < 600 N/mm² IC 200 0,110 0,170 0,210 0,280
Bronze, short-chipping < 600 N/mm² IC 200 0,110 0,170 0,210 0,280
650-850 N/mm² IC 200 0,110 0,170 0,210 0,280
Bronze, long-chipping < 850 N/mm² IC 200 0,110 0,170 0,210 0,280
850-1200 N/mm² IC 200 0,110 0,170 0,210 0,280
Key
IC = internal cooling
vc = cutting speed [m/min]
f = feed [mm/r]
The suggested cutting values are reference values and must be adapted to the respective conditions.

Art.-no.
Cust. Mat. No.

Hazardous Material

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