EU HSCo 60° countersink DIN 334C

Name: EU HSCo 60° countersink DIN 334C
Brand: Würth
SKU: 5443121006

Conical countersink EU HSCo 60° DIN 334
CNTSNK-CONI-EU-HSCO-60DGR-DIN334C-D6,3MM
ZEBRA

Art.-no. 5443121006

EAN 4062856443895

All versions

Specification

An all-rounder with extremely uneven pitch (EU) for perfect 60° countersinks.

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

For universal use

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

Technical information


Product code	2270
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)	6.3 mm
Shank diameter (d2)	5 mm
Tip diameter (d3)	4.0 mm
Length (l1)	45 mm
Number of cutting edges (Z)	3 PCS
Standards	DIN 334
Form	C
Cutting material	HSCo
Countersink angle	60 Degree
Surface	Uncoated
Shank style	Cylindrical
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)	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 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

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

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.

Cutting values for HSS countersinks, coated
For dia. 16.5–25
Material designation	Tensile strength	v_c	f
			Dia. 16.5	Dia. 20.5	Dia. 25
General structural steels	≤ 500 N/mm²	45	0,170	0,180	0,210
General structural steels	≤ 1000 N/mm²	42	0,110	0,130	0,150
Unalloyed heat-treated steels	≤ 700 N/mm²	42	0,170	0,180	0,210
	≤ 850 N/mm²	42	0,170	0,180	0,210
	≤ 1000 N/mm²	34	0,110	0,130	0,150
Alloyed heat-treated steels	≤ 1000 N/mm²	34	0,170	0,180	0,210
Alloyed heat-treated steels	≤ 1400 N/mm²	13	0,110	0,130	0,150
Nitriding steels	≤ 1000 N/mm²	34	0,110	0,130	0,150
Nitriding steels	≤ 1400 N/mm²	13	0,070	0,080	0,090
Tool steels	≤ 850 N/mm²	34	0,110	0,130	0,150
Tool steels	≤ 1400 N/mm²	13	0,070	0,080	0,090
High-speed steels	≤ 1400 N/mm²	13	0,070	0,080	0,090
Cast iron	≤ 240 HB	21	0,170	0,180	0,210
Cast iron	≤ 350 HB	18	0,170	0,180	0,210
Spheroidal-graphite and malleable iron	≤ 240 HB	18	0,170	0,180	0,210
Spheroidal-graphite and malleable iron	≤ 350 HB	18	0,170	0,180	0,210
Chilled cast iron	≤ 350 HB	18	0,070	0,080	0,090
Stainless steels, sulphurated	≤ 900 N/mm²	9	0,110	0,130	0,150
Stainless steels, austenitic	≤ 1100 N/mm²	9	0,070	0,080	0,090
Stainless steels, martensitic	≤ 1200 N/mm²	9	0,070	0,080	0,090
Titanium and titanium alloys	≤ 850 N/mm²	9	0,110	0,130	0,150
Titanium and titanium alloys	≤ 1400 N/mm²	9	0,070	0,080	0,090
Special alloys	≤ 1600 N/mm²	7	0,110	0,130	0,150
Hardox	Hardox 400–500, XAR 320, XAR 400	4	0,090	0,110	0,140
Spring steels	≤ 350 HB	9	0,070	0,080	0,090
Aluminium and aluminium alloys	≤ 400 N/mm²	77	0,210	0,230	0,260
Wrought aluminium alloys	≤ 650 N/mm²	55	0,210	0,230	0,260
Cast aluminium alloys ≤ 10% Si	≤ 600 N/mm²	33	0,170	0,180	0,210
Cast aluminium alloys > 10% Si	≤ 600 N/mm²	22	0,170	0,180	0,210
Magnesium alloys	≤ 400 N/mm²	77	0,210	0,230	0,260
Copper, low-alloyed	≤ 500 N/mm²	33	0,210	0,230	0,260
Brass, short-chipping	≤ 600 N/mm²	72	0,210	0,230	0,260
Brass, long-chipping	≤ 600 N/mm²	44	0,210	0,230	0,260
Bronze, short-chipping	≤ 600 N/mm²	72	0,210	0,230	0,260
Bronze, short-chipping	≤ 850 N/mm²	72	0,210	0,230	0,260
Bronze, long-chipping	≤ 850 N/mm²	44	0,210	0,230	0,260
Bronze, long-chipping	≤ 1000 N/mm²	44	0,210	0,230	0,260
Plastics	≤ 150 N/mm²	33	0,210	0,230	0,260

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