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EU HSCo 90° TiAIN long countersink DIN 335C - CNTSNK-CONI-EU-LONG-90DGR-TIALN-D8,3MM EU HSCo 90° TiAIN long countersink DIN 335C - CNTSNK-CONI-EU-LONG-90DGR-TIALN-D8,3MM EU HSCo 90° TiAIN long countersink DIN 335C - CNTSNK-CONI-EU-LONG-90DGR-TIALN-D8,3MM EU HSCo 90° TiAIN long countersink DIN 335C - CNTSNK-CONI-EU-LONG-90DGR-TIALN-D8,3MM
EU HSCo 90° TiAIN long countersink DIN 335C - CNTSNK-CONI-EU-LONG-90DGR-TIALN-D8,3MM - 1
EU HSCo 90° TiAIN long countersink DIN 335C - CNTSNK-CONI-EU-LONG-90DGR-TIALN-D8,3MM - 2
EU HSCo 90° TiAIN long countersink DIN 335C - CNTSNK-CONI-EU-LONG-90DGR-TIALN-D8,3MM - 3
EU HSCo 90° TiAIN long countersink DIN 335C - CNTSNK-CONI-EU-LONG-90DGR-TIALN-D8,3MM - 4

EU HSCo 90° TiAIN long countersink DIN 335C

Conical countersink EU HSCo 90° TiAlN long
CNTSNK-CONI-EU-LONG-90DGR-TIALN-D8,3MM
ZEBRA

Art.-no. 0694121008
EAN 4062856442256
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A Jack of all trades with extremely uneven pitch (EU) and TiAlN coating in a long version for perfect deep-lying countersinks and maximum performance.

Extremely uneven pitch


  • Maximum surface quality: exact, round, chatter-free countersinks

  • Faster processing thanks to higher cutting speeds

  • Greatly reduced tool wear

  • Maximum smoothness in all materials

  • Much less feed force required


Ideal for deep-lying countersinks


Long cylindrical shank



For universal use


Processing of almost all materials possible thanks to special tip geometry and HSCo cutting material.



Long service life and high speed


Due to super-hard coating based on titanium-aluminium-nitride

Product information

Würth Catalogue

Datasheets(X)

Certificates/ Documents

 | 

 | 

Material to be processed

Steel, Cast metal, Stainless steel, Titanium, Special alloy, Hard and tough material, Non-ferrous metal, Plastic

Quality

ZEBRA-Premium

Spot-facer diameter (d1)

8.3 mm

Shank diameter (d2)

6 mm

Tip diameter (d3)

2 mm

Length (l1)

105 mm

Number of cutting edges (Z)

3 PCS

Standards

DIN 335

Form

C

Cutting material

HSCo

Countersink angle

90 Degree

Surface

TiAlN

Shank style

Cylindrical

Service life (points system)

4 of 4 points

Countersinking speed (point system)

4 of 4 points

Countersinking quality (point system)

4 of 4 points

Versatility (points system)

4 of 4 points

Countersinking behaviour (point system)

3 of 4 points

Material of sub-group

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

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.
Assignment of conical countersink to screw standards
Conical countersink nominal diameter d1 For countersunk head screws For countersunk head screws
DIN EN ISO 10642
(Formerly DIN 7991) 		DIN EN ISO 2009, 2010, 7046, 7047
(Formerly DIN 963,964,965,966)
6.3 mm M3 M3
8.3 mm M4 -
10.4 mm M5 M4, M5
12.4 mm M6 M6
16.5 mm M8 M8
20.5 mm - M10
25.0 mm M10, M12 M12
Cutting values for HSS countersinks, coated
For dia. 16.5–31
Material designation Tensile strength vc f
Dia. 16.5 Dia. 20.5 Dia. 25 Dia. 31
General structural steels ≤ 500 N/mm² 45 0,170 0,180 0,210 0,240
≤ 1000 N/mm² 42 0,110 0,130 0,150 0,170
Unalloyed heat-treated steels ≤ 700 N/mm² 42 0,170 0,180 0,210 0,240
≤ 850 N/mm² 42 0,170 0,180 0,210 0,240
≤ 1000 N/mm² 34 0,110 0,130 0,150 0,170
Alloyed heat-treated steels ≤ 1000 N/mm² 34 0,170 0,180 0,210 0,240
≤ 1400 N/mm² 13 0,110 0,130 0,150 0,170
Nitriding steels ≤ 1000 N/mm² 34 0,110 0,130 0,150 0,170
≤ 1400 N/mm² 13 0,070 0,080 0,090 0,120
Tool steels ≤ 850 N/mm² 34 0,110 0,130 0,150 0,170
≤ 1400 N/mm² 13 0,070 0,080 0,090 0,120
High-speed steels ≤ 1400 N/mm² 13 0,070 0,080 0,090 0,120
Cast iron ≤ 240 HB 21 0,170 0,180 0,210 0,240
≤ 350 HB 18 0,170 0,180 0,210 0,240
Spheroidal-graphite and malleable iron ≤ 240 HB 18 0,170 0,180 0,210 0,240
≤ 350 HB 18 0,170 0,180 0,210 0,240
Chilled cast iron ≤ 350 HB 18 0,070 0,080 0,090 0,120
Stainless steels, sulphurated ≤ 900 N/mm² 9 0,110 0,130 0,150 0,170
Stainless steels, austenitic ≤ 1100 N/mm² 9 0,070 0,080 0,090 0,120
Stainless steels, martensitic ≤ 1200 N/mm² 9 0,070 0,080 0,090 0,120
Titanium and titanium alloys ≤ 850 N/mm² 9 0,110 0,130 0,150 0,170
≤ 1400 N/mm² 9 0,070 0,080 0,090 0,120
Special alloys ≤ 1600 N/mm² 7 0,110 0,130 0,150 0,170
Hardox Hardox 400–500, XAR 320, XAR 400 4 0,090 0,110 0,140 0,160
Spring steels ≤ 350 HB 9 0,070 0,080 0,090 0,120
Aluminium and aluminium alloys ≤ 400 N/mm² 77 0,210 0,230 0,260 0,300
Wrought aluminium alloys ≤ 650 N/mm² 55 0,210 0,230 0,260 0,300
Cast aluminium alloys ≤ 10% Si ≤ 600 N/mm² 33 0,170 0,180 0,210 0,240
Cast aluminium alloys > 10% Si ≤ 600 N/mm² 22 0,170 0,180 0,210 0,240
Magnesium alloys ≤ 400 N/mm² 77 0,210 0,230 0,260 0,300
Copper, low-alloyed ≤ 500 N/mm² 33 0,210 0,230 0,260 0,300
Brass, short-chipping ≤ 600 N/mm² 72 0,210 0,230 0,260 0,300
Brass, long-chipping ≤ 600 N/mm² 44 0,210 0,230 0,260 0,300
Bronze, short-chipping ≤ 600 N/mm² 72 0,210 0,230 0,260 0,300
≤ 850 N/mm² 72 0,210 0,230 0,260 0,300
Bronze, long-chipping ≤ 850 N/mm² 44 0,210 0,230 0,260 0,300
≤ 1000 N/mm² 44 0,210 0,230 0,260 0,300
Plastics ≤ 150 N/mm² 33 0,210 0,230 0,260 0,300
Cutting values for HSS countersinks, coated
For dia. 6.3–12.4
Material designation Tensile strength vc f
Dia. 6.3 Dia. 8.3 Dia. 10.4 Dia. 12.4
General structural steels ≤ 500 N/mm² 45 0,120 0,130 0,135 0,150
≤ 1000 N/mm² 42 0,070 0,080 0,090 0,100
Unalloyed heat-treated steels ≤ 700 N/mm² 42 0,120 0,130 0,140 0,150
≤ 850 N/mm² 42 0,120 0,130 0,135 0,150
≤ 1000 N/mm² 34 0,070 0,080 0,090 0,100
Alloyed heat-treated steels ≤ 1000 N/mm² 34 0,120 0,130 0,140 0,150
≤ 1400 N/mm² 13 0,070 0,080 0,090 0,100
Nitriding steels ≤ 1000 N/mm² 34 0,070 0,080 0,090 0,100
≤ 1400 N/mm² 13 0,040 0,050 0,060 0,060
Tool steels ≤ 850 N/mm² 34 0,070 0,080 0,090 0,100
≤ 1400 N/mm² 13 0,040 0,050 0,060 0,060
High-speed steels ≤ 1400 N/mm² 13 0,040 0,050 0,060 0,060
Cast iron ≤ 240 HB 21 0,120 0,130 0,140 0,150
≤ 350 HB 18 0,120 0,130 0,140 0,150
Spheroidal-graphite and malleable iron ≤ 240 HB 18 0,120 0,130 0,140 0,150
≤ 350 HB 18 0,120 0,130 0,140 0,150
Chilled cast iron ≤ 350 HB 18 0,040 0,050 0,060 0,060
Stainless steels, sulphurated ≤ 900 N/mm² 9 0,068 0,081 0,090 0,100
Stainless steels, austenitic ≤ 1100 N/mm² 9 0,040 0,050 0,060 0,060
Stainless steels, martensitic ≤ 1200 N/mm² 9 0,040 0,050 0,060 0,060
Titanium and titanium alloys ≤ 850 N/mm² 9 0,070 0,080 0,090 0,100
≤ 1400 N/mm² 9 0,040 0,050 0,060 0,060
Special alloys ≤ 1600 N/mm² 7 0,070 0,080 0,090 0,100
Hardox Hardox 400–500, XAR 320, XAR 400 4 0,070 0,080 0,080 0,090
Spring steels ≤ 350 HB 9 0,040 0,050 0,060 0,060
Aluminium and aluminium alloys ≤ 400 N/mm² 77 0,150 0,162 0,170 0,190
Wrought aluminium alloys ≤ 650 N/mm² 55 0,150 0,162 0,170 0,190
Cast aluminium alloys ≤ 10% Si ≤ 600 N/mm² 33 0,120 0,130 0,140 0,150
Cast aluminium alloys > 10% Si ≤ 600 N/mm² 22 0,120 0,130 0,140 0,150
Magnesium alloys ≤ 400 N/mm² 77 0,150 0,160 0,170 0,190
Copper, low-alloyed ≤ 500 N/mm² 33 0,150 0,160 0,170 0,190
Brass, short-chipping ≤ 600 N/mm² 72 0,150 0,160 0,170 0,190
Brass, long-chipping ≤ 600 N/mm² 44 0,150 0,160 0,170 0,190
Bronze, short-chipping ≤ 600 N/mm² 72 0,150 0,160 0,170 0,190
≤ 850 N/mm² 72 0,150 0,160 0,170 0,190
Bronze, long-chipping ≤ 850 N/mm² 44 0,150 0,160 0,170 0,190
≤ 1000 N/mm² 44 0,150 0,160 0,170 0,190
Plastics ≤ 150 N/mm² 33 0,150 0,160 0,170 0,190
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x 1 pcs
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