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SC 90° countersink DIN 335C - CNTSNK-CONI-90DGR-DIN335C-SC-TN-D12,4MM SC 90° countersink DIN 335C - CNTSNK-CONI-90DGR-DIN335C-SC-TN-D12,4MM
SC 90° countersink DIN 335C - CNTSNK-CONI-90DGR-DIN335C-SC-TN-D12,4MM - 1
SC 90° countersink DIN 335C - CNTSNK-CONI-90DGR-DIN335C-SC-TN-D12,4MM - 2

SC 90° countersink DIN 335C

Solid carbide conical countersink DIN 335 FC TIALN
CNTSNK-CONI-90DGR-DIN335C-SC-TN-D12,4MM

Art.-no. 5443100025
EAN 4055375892695
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SC 90° countersink DIN 335C

Art.-no. 5443100025

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Quantity
PU
x 1 pcs

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For chatter-free countersinking and deburring of steels, high-strength steels, grey cast iron, VA materials and silicon-containing aluminium alloys.
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Würth Catalogue

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Product code

6407

Material to be processed

Steel, Cast metal, Stainless steel, Titanium, Hard and tough material

Spot-facer diameter (d1)

12.4 mm

Shank diameter (d2)

8 mm

Tip diameter (d3)

2.8 mm

Length (l1)

56 mm

Number of cutting edges (Z)

3 PCS

Standards

DIN 335

Form

C

Cutting material

SC

Countersink angle

90 Degree

Surface

TiAlN

Shank style

Cylindrical

Suitable for cordless drills (points system)

1 of 4 points

Suitable for drill (points system)

1 of 4 points

Suitable for upright drilling machine (points system)

3 of 4 points

Suitable for milling-drilling centre (points system)

4 of 4 points

Service life (points system)

3 of 4 points

Countersinking speed (point system)

3 of 4 points

Countersinking quality (point system)

2 of 4 points

Versatility (points system)

3 of 4 points

Countersinking behaviour (point system)

2 of 4 points

Tolerance of cutting edge diameter

z9

Tolerance of shank diameter

h9

Material of sub-group

General structural steels, Non-alloyed tempering steels, Plastics, aramide-fibre reinforced, Alloyed tempering steels, Nitriding steels, Tool steels, High-speed steels, Cast iron, Ductile iron, Malleable cast iron, White cast iron, Stainless steels, austenitic, Stainless steels, sulphurated, Stainless steels, martensitic, Titanium, Titanium alloys, Special alloys, Hardox, Spring steels, Aluminium casting alloys (>10% silicon), Aluminium casting alloys (<10% silicon), Brass, short-chipping, Bronze, short-chipping

Cutting values for countersinks, coated
For dia. 5.3–14.4
Material designation Tensile strength vc f
From To Dia. 5.3 Dia. 6.3/8.3 Dia. 10.4/12.4/14.4
General structural steels < 500 N/mm² 66 84 0,070 0,090 0,120
500–850 N/mm² 66 78 0,060 0,080 0,100
Machining steels < 850 N/mm² 66 78 0,060 0,080 0,100
850–1000 N/mm² 48 66 0,040 0,060 0,080
Unalloyed heat-treated steels < 700 N/mm² 66 78 0,060 0,080 0,100
700–850 N/mm² 66 78 0,060 0,080 0,100
850–1000 N/mm² 48 66 0,040 0,060 0,080
Alloyed heat-treated steels 850–1000 N/mm² 48 66 0,040 0,060 0,080
1000–1200 N/mm² 16 26 0,030 0,040 0,050
Non-alloyed case-hardening steels < 750 N/mm² 66 78 0,060 0,080 0,100
Alloyed case-hardening steels < 1000 N/mm² 48 66 0,040 0,060 0,080
1000–1200 N/mm² 16 26 0,030 0,040 0,050
Nitriding steels < 1000 N/mm² 48 66 0,040 0,060 0,080
1000–1200 N/mm² 16 26 0,030 0,040 0,050
Tool steels < 850 N/mm² 48 66 0,040 0,060 0,080
850–1100 N/mm² 16 26 0,030 0,040 0,050
1100–1400 N/mm² 6 14 0,090 0,030 0,040
High-speed steels 850–1200 N/mm² 16 26 0,030 0,040 0,050
Hardened steels 48–55 HRC 6 14 0,090 0,030 0,040
55–60 HRC 6 14 0,090 0,030 0,040
Wear-resistant constructional steel 1350 N/mm² 6 14 0,090 0,030 0,040
1800 N/mm² 6 14 0,090 0,030 0,040
Spring steels < 1200 N/mm² 16 26 0,030 0,040 0,050
Stainless steels, sulphurated < 700 N/mm² 12 26 0,040 0,050 0,060
Stainless steels, austenitic < 700 N/mm² 12 26 0,040 0,050 0,060
< 850 N/mm² 12 26 0,040 0,050 0,060
Stainless steels, martensitic < 1100 N/mm² 12 26 0,040 0,050 0,060
Special alloys < 1200 N/mm² 6 14 0,090 0,030 0,040
Cast iron < 180 HB 42 66 0,080 0,100 0,120
> 180 HB 24 42 0,060 0,070 0,080
Spheroidal graphite, malleable iron > 180 HB 24 42 0,060 0,070 0,080
> 260 HB 24 42 0,060 0,070 0,080
Titanium, titanium alloys < 850 N/mm² 12 26 0,040 0,050 0,060
Aluminium, aluminium alloys < 530 N/mm² 132 240 0,100 0,120 0,140
Aluminium, cast aluminium alloys < 10% Si < 600 N/mm² 66 108 0,080 0,100 0,120
Aluminium, cast aluminium alloys > 10% Si < 600 N/mm² 30 84 0,080 0,100 0,120
Magnesium, magnesium alloys < 280 N/mm² 132 240 0,100 0,120 0,140
Copper, low-alloyed < 350 N/mm² 66 108 0,080 0,100 0,120
Brass, short-chipping < 600 N/mm² 132 210 0,100 0,120 0,140
Brass, long-chipping < 600 N/mm² 84 132 0,100 0,120 0,140
Bronze, short-chipping < 600 N/mm² 132 210 0,100 0,120 0,140
650–850 N/mm² 132 210 0,100 0,120 0,140
Bronze, long-chipping < 850 N/mm² 84 132 0,100 0,120 0,140
850–1200 N/mm² 84 132 0,100 0,120 0,140
Graphite 42 66 0,080 0,100 0,120
Legend
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 countersinks, coated
For dia. 16.5–31
Material designation Tensile strength vc f
From To Dia. 16.5/19.5 Dia. 20.5 Dia. 25/31
General structural steels < 500 N/mm² 66 84 0,140 0,160 0,200
500–850 N/mm² 66 78 0,120 0,140 0,180
Machining steels < 850 N/mm² 66 78 0,120 0,140 0,180
850–1000 N/mm² 48 66 0,100 0,120 0,140
Unalloyed heat-treated steels < 700 N/mm² 66 78 0,120 0,140 0,180
700–850 N/mm² 66 78 0,120 0,140 0,180
850–1000 N/mm² 48 66 0,100 0,120 0,140
Alloyed heat-treated steels 850–1000 N/mm² 48 66 0,100 0,120 0,140
1000–1200 N/mm² 16 26 0,090 0,080 0,100
Non-alloyed case-hardening steels < 750 N/mm² 66 78 0,120 0,140 0,180
Alloyed case-hardening steels < 1000 N/mm² 48 66 0,100 0,120 0,140
1000–1200 N/mm² 16 26 0,090 0,080 0,100
Nitriding steels < 1000 N/mm² 48 66 0,100 0,120 0,140
1000–1200 N/mm² 16 26 0,090 0,080 0,100
Tool steels < 850 N/mm² 48 66 0,100 0,120 0,140
850–1100 N/mm² 16 26 0,090 0,080 0,100
1100–1400 N/mm² 6 14 0,050 0,060 0,080
High-speed steels 850–1200 N/mm² 16 26 0,090 0,080 0,100
Hardened steels 48–55 HRC 6 14 0,050 0,060 0,080
55–60 HRC 6 14 0,050 0,060 0,080
Wear-resistant constructional steel 1350 N/mm² 6 14 0,050 0,060 0,080
1800 N/mm² 6 14 0,050 0,060 0,080
Spring steels < 1200 N/mm² 16 26 0,090 0,080 0,100
Stainless steels, sulphurated < 700 N/mm² 12 26 0,070 0,080 0,090
Stainless steels, austenitic < 700 N/mm² 12 26 0,070 0,080 0,090
< 850 N/mm² 12 26 0,070 0,080 0,090
Stainless steels, martensitic < 1100 N/mm² 12 26 0,070 0,080 0,090
Special alloys < 1200 N/mm² 6 14 0,050 0,060 0,080
Cast iron < 180 HB 42 66 0,160 0,200 0,250
> 180 HB 24 42 0,120 0,160 0,200
Spheroidal graphite, malleable iron > 180 HB 24 42 0,120 0,160 0,200
> 260 HB 24 42 0,120 0,160 0,200
Titanium, titanium alloys < 850 N/mm² 12 26 0,070 0,080 0,090
Aluminium, aluminium alloys < 530 N/mm² 132 240 0,180 0,220 0,260
Aluminium, cast aluminium alloys < 10% Si < 600 N/mm² 66 108 0,140 0,180 0,220
Aluminium, cast aluminium alloys > 10% Si < 600 N/mm² 30 84 0,140 0,180 0,220
Magnesium, magnesium alloys < 280 N/mm² 132 240 0,180 0,220 0,260
Copper, low-alloyed < 350 N/mm² 66 108 0,140 0,180 0,220
Brass, short-chipping < 600 N/mm² 132 210 0,180 0,200 0,240
Brass, long-chipping < 600 N/mm² 84 132 0,180 0,200 0,240
Bronze, short-chipping < 600 N/mm² 132 210 0,180 0,200 0,240
650–850 N/mm² 132 210 0,180 0,200 0,240
Bronze, long-chipping < 850 N/mm² 84 132 0,180 0,200 0,240
850–1200 N/mm² 84 132 0,180 0,200 0,240
Graphite 42 66 0,160 0,200 0,250

Art.-no.
Cust. Mat. No.

Hazardous Material

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