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

EU+ HSCo 90° countersink DIN 335 C - CNTSNK-CONI-EU+-HSCO-90DGR-D12,4MM - 1

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EU+ HSCo 90° countersink DIN 335 C

Name: EU+ HSCo 90° countersink DIN 335 C
Brand: Würth
SKU: 0694219012

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

Art.-no. 0694219012

EAN 4065233032989

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EU+ HSCo 90° countersink DIN 335 C

Art.-no. 0694219012

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x 1 pcs

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The all-rounder with extremely uneven pitch (EU) and additional relief grinding exclusively available from Würth for perfect countersinking.

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

3-flat shank

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

Optimal power transmission

Protects the drill chuck from damage

Little effort required to loosen and tighten the drill chuck

Product packaging made of 100 % PCR (recycled plastic from household waste), 100 % recyclable and Cradle to Cradle Certified^® Bronze

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)	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	Uncoated
Shank style	3-face shank
Service life (points system)	3 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
Countersink diameter	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)
4.3 mm	M2	M2
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 mm	M10, M12	M12
31 mm	M16	-
37 mm	M20	M16

For dia. 16.5 - 37
Material designation	Tensile strength	v_c	f
			Dia. 16.5	Dia. 20.5	Dia. 25	Dia. 31	Dia. 37
General structural steels	≤ 500 N/mm²	41	0,170	0,180	0,210	0,240	0,270
General structural steels	≤ 1000 N/mm²	39	0,110	0,130	0,150	0,170	0,190
Unalloyed heat-treated steels	≤ 700 N/mm²	38	0,170	0,180	0,210	0,240	0,270
	≤ 850 N/mm²	38	0,170	0,180	0,210	0,240	0,270
	≤ 1000 N/mm²	31	0,110	0,130	0,150	0,170	0,190
Alloyed heat-treated steels	≤ 1000 N/mm²	31	0,170	0,180	0,210	0,240	0,270
Alloyed heat-treated steels	≤ 1400 N/mm²	12	0,110	0,130	0,150	0,170	0,190
Nitriding steels	≤ 1000 N/mm²	31	0,110	0,130	0,150	0,170	0,190
Nitriding steels	≤ 1400 N/mm²	12	0,070	0,080	0,090	0,120	0,150
Tool steels	≤ 850 N/mm²	31	0,110	0,130	0,150	0,170	0,190
Tool steels	≤ 1400 N/mm²	12	0,070	0,080	0,090	0,120	0,150
High-speed steels	≤ 1400 N/mm²	12	0,070	0,080	0,090	0,120	0,150
Cast iron	≤ 240 HB	19	0,170	0,180	0,210	0,240	0,270
Cast iron	≤ 350 HB	17	0,170	0,180	0,210	0,240	0,270
Nodular graphite and malleable iron	≤ 240 HB	17	0,170	0,180	0,210	0,240	0,270
Nodular graphite and malleable iron	≤ 350 HB	17	0,170	0,180	0,210	0,240	0,270
Chilled cast iron	≤ 350 HB	12	0,070	0,080	0,090	0,120	0,150
Stainless steels, sulphurated	≤ 900 N/mm²	8	0,110	0,130	0,150	0,170	0,190
Stainless steels, austenitic	≤ 1100 N/mm²	8	0,070	0,080	0,090	0,120	0,150
Stainless steels, martensitic	≤ 1200 N/mm²	8	0,070	0,080	0,090	0,120	0,150
Titanium and titanium alloys	≤ 850 N/mm²	8	0,110	0,130	0,150	0,170	0,190
Titanium and titanium alloys	≤ 1400 N/mm²	8	0,070	0,080	0,090	0,120	0,150
Special alloys	≤ 1600 N/mm²	6	0,110	0,130	0,150	0,170	0,190
Hardox	Hardox 400 - 500, XAR 320, XAR 400	4	0,090	0,110	0,140	0,160	-
Spring steels	≤ 350 HB	8	0,070	0,080	0,090	0,120	0,150
Aluminium and aluminium alloys	≤ 400 N/mm²	70	0,210	0,230	0,260	0,300	0,340
Wrought aluminium alloys	≤ 650 N/mm²	50	0,210	0,230	0,260	0,300	0,340
Cast aluminium alloys ≤ 10% Si	≤ 600 N/mm²	30	0,170	0,180	0,210	0,240	0,270
Cast aluminium alloys > 10% Si	≤ 600 N/mm²	20	0,170	0,180	0,210	0,240	0,270
Magnesium alloys	≤ 400 N/mm²	70	0,210	0,230	0,260	0,300	0,340
Copper, low-alloy	≤ 500 N/mm²	30	0,210	0,230	0,260	0,300	0,340
Brass, short-chipping	≤ 600 N/mm²	65	0,210	0,230	0,260	0,300	0,340
Brass, long-chipping	≤ 600 N/mm²	40	0,210	0,230	0,260	0,300	0,340
Bronze, short-chipping	≤ 600 N/mm²	65	0,210	0,230	0,260	0,300	0,340
Bronze, short-chipping	≤ 850 N/mm²	65	0,210	0,230	0,260	0,300	0,340
Bronze, long-chipping	≤ 850 N/mm²	40	0,210	0,230	0,260	0,300	0,340
Bronze, long-chipping	≤ 1000 N/mm²	40	0,210	0,230	0,260	0,300	0,340
Plastics	≤ 150 N/mm²	30	0,210	0,230	0,260	0,300	0,340

Cutting values for conical countersink EU+ HSCo 90° DIN 335 C
For dia. 4.3 - 12.4
Material designation	Tensile strength	v_c	f
			Dia. 4.3	Dia. 6.3	Dia. 8.3	Dia. 10.4	Dia. 12.4
General structural steels	≤ 500 N/mm²	41	0,110	0,120	0,130	0,135	0,150
General structural steels	≤ 1000 N/mm²	39	0,060	0,070	0,080	0,090	0,100
Unalloyed heat-treated steels	≤ 700 N/mm²	38	0,110	0,120	0,130	0,140	0,150
	≤ 850 N/mm²	38	0,110	0,120	0,130	0,135	0,150
	≤ 1000 N/mm²	31	0,060	0,070	0,080	0,090	0,100
Alloyed heat-treated steels	≤ 1000 N/mm²	31	0,110	0,120	0,130	0,140	0,150
Alloyed heat-treated steels	≤ 1400 N/mm²	12	0,060	0,070	0,080	0,090	0,100
Nitriding steels	≤ 1000 N/mm²	31	0,060	0,070	0,080	0,090	0,100
Nitriding steels	≤ 1400 N/mm²	12	0,030	0,040	0,050	0,060	0,060
Tool steels	≤ 850 N/mm²	31	0,060	0,070	0,080	0,090	0,100
Tool steels	≤ 1400 N/mm²	12	0,030	0,040	0,050	0,060	0,060
High-speed steels	≤ 1400 N/mm²	12	0,030	0,040	0,050	0,060	0,060
Cast iron	≤ 240 HB	19	0,110	0,120	0,130	0,140	0,150
Cast iron	≤ 350 HB	17	0,110	0,120	0,130	0,140	0,150
Nodular graphite and malleable iron	≤ 240 HB	17	0,110	0,120	0,130	0,140	0,150
Nodular graphite and malleable iron	≤ 350 HB	17	0,110	0,120	0,130	0,140	0,150
Chilled cast iron	≤ 350 HB	12	0,030	0,040	0,050	0,060	0,060
Stainless steels, sulphurated	≤ 900 N/mm²	8	0,060	0,068	0,081	0,090	0,100
Stainless steels, austenitic	≤ 1100 N/mm²	8	0,030	0,040	0,050	0,060	0,060
Stainless steels, martensitic	≤ 1200 N/mm²	8	0,030	0,040	0,050	0,060	0,060
Titanium and titanium alloys	≤ 850 N/mm²	8	0,060	0,070	0,080	0,090	0,100
Titanium and titanium alloys	≤ 1400 N/mm²	8	0,030	0,040	0,050	0,060	0,060
Special alloys	≤ 1600 N/mm²	6	0,060	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	8	0,030	0,040	0,050	0,060	0,060
Aluminium and aluminium alloys	≤ 400 N/mm²	70	0,140	0,150	0,162	0,170	0,190
Wrought aluminium alloys	≤ 650 N/mm²	50	0,140	0,150	0,162	0,170	0,190
Cast aluminium alloys ≤ 10% Si	≤ 600 N/mm²	30	0,110	0,120	0,130	0,140	0,150
Cast aluminium alloys > 10% Si	≤ 600 N/mm²	20	0,110	0,120	0,130	0,140	0,150
Magnesium alloys	≤ 400 N/mm²	70	0,140	0,150	0,160	0,170	0,190
Copper, low-alloy	≤ 500 N/mm²	30	0,140	0,150	0,160	0,170	0,190
Brass, short-chipping	≤ 600 N/mm²	65	0,140	0,150	0,160	0,170	0,190
Brass, long-chipping	≤ 600 N/mm²	40	0,140	0,150	0,160	0,170	0,190
Bronze, short-chipping	≤ 600 N/mm²	65	0,140	0,150	0,160	0,170	0,190
Bronze, short-chipping	≤ 850 N/mm²	65	0,140	0,150	0,160	0,170	0,190
Bronze, long-chipping	≤ 850 N/mm²	40	0,140	0,150	0,160	0,170	0,190
Bronze, long-chipping	≤ 1000 N/mm²	40	0,140	0,150	0,160	0,170	0,190
Plastics	≤ 150 N/mm²	30	0,140	0,150	0,160	0,170	0,190

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