EU+ HSCo 90° TiAIN countersink DIN 335 C

Name: EU+ HSCo 90° TiAIN countersink DIN 335 C
Brand: Würth
SKU: 0694220012

Conical countersink EU HSCo 90° TiAlN DIN 335C
CNTSNK-CONI-EU+-HSCO-90DGR-TIALN-D12,4MM
ZEBRA

Art.-no. 0694220012

EAN 4065233033085

All versions

Specification

The all-rounder with extremely uneven pitch (EU), TiAIN coating and additional relief grinding exclusively available from Würth for perfect countersinking and the highest performance.

Extremely unequal pitch

Optimal surface quality: exact, round, chatter-free countersinking

Maximum running smoothness in all materials

Higher cutting values possible

Exclusive, extra relief grinding

Up to 3x faster than conventional countersinks

Up to 2x more countersinking than conventional countersinks

Significantly less effort when used with hand drills

Deeper countersinking possible

For universal use

Optimal performance in the machining of almost all materials and applications due to special tip geometry and HSCo cutting material

Long service life and high speed

Super-hard coating based on titanium aluminium nitride

3-flat shank

No spinning in the drill chuck: faster, more comfortable working

Optimal power transmission

Protects the drill chuck from damage

Minimal effort required to loosen and tighten the drill chuck

Product packaging made from 100 % PCR (recycled plastic from household waste) and 100 % recyclable

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)	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	HSCo
Countersink angle	90 Degree
Surface	TiAlN
Shank style	3-face shank
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)	4 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 alloys, Aluminium wrought alloys, Aluminium casting alloys (>10% silicon), Aluminium casting alloys (<10% silicon), Magnesium alloys, Copper, Brass, short-chipping, Brass, long-chipping, Bronze, short-chipping, Bronze, long-chipping, Plastics, thermoset, Plastics, thermoplastic, Plastics, aramide-fibre reinforced, 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
31.0 mm	M16	-

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
Nodular graphite and malleable iron	≤ 240 HB	18	0,170	0,180	0,210	0,240
Nodular 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-alloy	≤ 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 conical countersink EU+ HSCo TiAIN 90° DIN 335 C
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
Nodular graphite and malleable iron	≤ 240 HB	18	0,120	0,130	0,140	0,150
Nodular 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-alloy	≤ 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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