EU HSCo 90° TiAIN long countersink DIN 335C

Name: EU HSCo 90° TiAIN long countersink DIN 335C
Brand: Würth
SKU: 0694121031

Conical countersink EU HSCo 90° TiAlN long
CNTSNK-CONI-EU-LONG-90DGR-TIALN-D31,0MM

Art.-no. 0694121031

EAN 4062856442232

All versions

Specification

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

Technical information


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)	31 mm
Shank diameter (d2)	12 mm
Tip diameter (d3)	4.2 mm
Length (l1)	140 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
v_c = 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	v_c	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
General structural steels	≤ 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
Alloyed heat-treated steels	≤ 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
Nitriding steels	≤ 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
Tool steels	≤ 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
Cast iron	≤ 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
Spheroidal-graphite and malleable iron	≤ 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
Titanium and titanium alloys	≤ 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
Bronze, short-chipping	≤ 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
Bronze, long-chipping	≤ 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	v_c	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
General structural steels	≤ 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
Alloyed heat-treated steels	≤ 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
Nitriding steels	≤ 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
Tool steels	≤ 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
Cast iron	≤ 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
Spheroidal-graphite and malleable iron	≤ 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
Titanium and titanium alloys	≤ 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
Bronze, short-chipping	≤ 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
Bronze, long-chipping	≤ 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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