Countersink, yellow/blue ring, HSS 90° DIN 335 C - CNTSNK-CONI-MA-YELL/BLUE-HSS-90DGR-D20,5

Countersink, yellow/blue ring, HSS 90° DIN 335 C - CNTSNK-CONI-MA-YELL/BLUE-HSS-90DGR-D20,5 - 1

Countersink, yellow/blue ring, HSS 90° DIN 335 C

Name: Countersink, yellow/blue ring, HSS 90° DIN 335 C
Brand: Würth
SKU: 0694117020

Con. countersink HSS 90° DIN 335C yellow/blue ring
CNTSNK-CONI-MA-YELL/BLUE-HSS-90DGR-D20,5
ZEBRA

Art.-no. 0694117020

EAN 4062856933686

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Countersink, yellow/blue ring, HSS 90° DIN 335 C

Art.-no. 0694117020

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Particularly suitable for the processing of conventional steels, cast iron and non-ferrous metals (aluminium, copper, aluminium alloys and plastics).

Burr- and chatter-free countersinking and deburring

Precision conical countersink with three cutting edges, precision-ground

Optimised geometry for hand-held tools

Less effort and improved countersinking quality and chip removal compared to conventional tapered countersinks

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

Product information

Würth Catalogue

Datasheets(X)

Certificates/ Documents


Material to be processed	Steel, Cast metal, Aluminium
Quality	ZEBRA-Premium
Spot-facer diameter (d1)	20.5 mm
Shank diameter (d2)	10 mm
Tip diameter (d3)	3.5 mm
Length (l1)	63 mm
Number of cutting edges (Z)	3 PCS
Standards	DIN 335
Form	C
Cutting material	HSS
Countersink angle	90 Degree
Surface	Uncoated
Shank style	Cylindrical
Service life (points system)	2 of 4 points
Countersinking speed (point system)	2 of 4 points
Countersinking quality (point system)	3 of 4 points
Versatility (points system)	2 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, 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, 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.

For dia. 25.0 - 31.0
Material designation	Tensile strength	v_c	f
Material designation	Tensile strength	v_c	Dia. 25.0	Dia. 31.0
General structural steels	≤ 500 N/mm²	15,8	0,015	0,015
General structural steels	≤ 1000 N/mm²	15,8	0,015	0,015
Unalloyed heat-treated steels	≤ 700 N/mm²	15,8	0,015	0,015
	≤ 850 N/mm²	15,8	0,015	0,015
	≤ 1000 N/mm²	15,8	0,015	0,015
Alloyed heat-treated steels	≤ 1000 N/mm²	13	0,010	0,010
Alloyed heat-treated steels	≤ 1400 N/mm²	13	0,010	0,010
Nitriding steels	≤ 1000 N/mm²	13	0,010	0,010
Nitriding steels	≤ 1400 N/mm²	13	0,010	0,010
Tool steels	≤ 850 N/mm²	13	0,010	0,010
Tool steels	≤ 1400 N/mm²	13	0,010	0,010
High-speed steels	≤ 1400 N/mm²	13	0,010	0,010
Cast iron	≤ 240 HB	15,8	0,015	0,015
Cast iron	≤ 350 HB	15,8	0,015	0,015
Nodular graphite and malleable iron	≤ 240 HB	15,8	0,015	0,015
Nodular graphite and malleable iron	≤ 350 HB	15,8	0,015	0,015
Chilled cast iron	≤ 350 HB	15,8	0,015	0,015
Aluminium and aluminium alloys	≤ 400 N/mm²	21,8	0,015	0,015
Wrought aluminium alloys	≤ 650 N/mm²	21,8	0,015	0,015
Cast aluminium alloys ≤ 10% Si	≤ 600 N/mm²	21,8	0,015	0,015
Cast aluminium alloys > 10% Si	≤ 600 N/mm²	21,8	0,015	0,015
Magnesium alloys	≤ 400 N/mm²	21,8	0,015	0,015
Copper, low-alloy	≤ 500 N/mm²	21,8	0,015	0,015
Brass, short-chipping	≤ 600 N/mm²	21,8	0,015	0,015
Brass, long-chipping	≤ 600 N/mm²	21,8	0,015	0,015
Bronze, short-chipping	≤ 600 N/mm²	21,8	0,015	0,015
Bronze, short-chipping	≤ 850 N/mm²	21,8	0,015	0,015
Bronze, long-chipping	≤ 850 N/mm²	21,8	0,015	0,015
Bronze, long-chipping	≤ 1000 N/mm²	21,8	0,015	0,015
Plastics	≤ 150 N/mm²	21,8	0,015	0,015

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. 12.4 - 20.5
Material designation	Tensile strength	v_c	f
Material designation	Tensile strength	v_c	Dia. 12.4	Dia. 16.5	Dia. 20.5
General structural steels	≤ 500 N/mm²	15,8	0,020	0,020	0,020
General structural steels	≤ 1000 N/mm²	15,8	0,020	0,020	0,020
Unalloyed heat-treated steels	≤ 700 N/mm²	15,8	0,020	0,020	0,020
	≤ 850 N/mm²	15,8	0,020	0,020	0,020
	≤ 1000 N/mm²	15,8	0,020	0,020	0,020
Alloyed heat-treated steels	≤ 1000 N/mm²	13	0,020	0,015	0,015
Alloyed heat-treated steels	≤ 1400 N/mm²	13	0,020	0,015	0,015
Nitriding steels	≤ 1000 N/mm²	13	0,020	0,015	0,015
Nitriding steels	≤ 1400 N/mm²	13	0,020	0,015	0,015
Tool steels	≤ 850 N/mm²	13	0,020	0,015	0,015
Tool steels	≤ 1400 N/mm²	13	0,020	0,015	0,015
High-speed steels	≤ 1400 N/mm²	13	0,020	0,015	0,015
Cast iron	≤ 240 HB	15,8	0,020	0,020	0,020
Cast iron	≤ 350 HB	15,8	0,020	0,020	0,020
Nodular graphite and malleable iron	≤ 240 HB	15,8	0,020	0,020	0,020
Nodular graphite and malleable iron	≤ 350 HB	15,8	0,020	0,020	0,020
Chilled cast iron	≤ 350 HB	15,8	0,020	0,020	0,020
Aluminium and aluminium alloys	≤ 400 N/mm²	21,8	0,020	0,020	0,020
Wrought aluminium alloys	≤ 650 N/mm²	21,8	0,020	0,020	0,020
Cast aluminium alloys ≤ 10% Si	≤ 600 N/mm²	21,8	0,020	0,020	0,020
Cast aluminium alloys > 10% Si	≤ 600 N/mm²	21,8	0,020	0,020	0,020
Magnesium alloys	≤ 400 N/mm²	21,8	0,020	0,020	0,020
Copper, low-alloy	≤ 500 N/mm²	21,8	0,020	0,020	0,020
Brass, short-chipping	≤ 600 N/mm²	21,8	0,020	0,020	0,020
Brass, long-chipping	≤ 600 N/mm²	21,8	0,020	0,020	0,020
Bronze, short-chipping	≤ 600 N/mm²	21,8	0,020	0,020	0,020
Bronze, short-chipping	≤ 850 N/mm²	21,8	0,020	0,020	0,020
Bronze, long-chipping	≤ 850 N/mm²	21,8	0,020	0,020	0,020
Bronze, long-chipping	≤ 1000 N/mm²	21,8	0,020	0,020	0,020
Plastics	≤ 150 N/mm²	21,8	0,020	0,020	0,020

For dia. 6.3 - 10.4
Material designation	Tensile strength	v_c	f
Material designation	Tensile strength	v_c	Dia. 6.3	Dia. 8.3	Dia. 10.4
General structural steels	≤ 500 N/mm²	15,8	0,025	0,025	0,025
General structural steels	≤ 1000 N/mm²	15,8	0,025	0,025	0,025
Unalloyed heat-treated steels	≤ 700 N/mm²	15,8	0,025	0,025	0,025
	≤ 850 N/mm²	15,8	0,025	0,025	0,025
	≤ 1000 N/mm²	15,8	0,025	0,025	0,025
Alloyed heat-treated steels	≤ 1000 N/mm²	13	0,020	0,020	0,020
Alloyed heat-treated steels	≤ 1400 N/mm²	13	0,020	0,020	0,020
Nitriding steels	≤ 1000 N/mm²	13	0,020	0,020	0,020
Nitriding steels	≤ 1400 N/mm²	13	0,020	0,020	0,020
Tool steels	≤ 850 N/mm²	13	0,020	0,020	0,020
Tool steels	≤ 1400 N/mm²	13	0,020	0,020	0,020
High-speed steels	≤ 1400 N/mm²	13	0,020	0,020	0,020
Cast iron	≤ 240 HB	15,8	0,025	0,025	0,025
Cast iron	≤ 350 HB	15,8	0,025	0,025	0,025
Nodular graphite and malleable iron	≤ 240 HB	15,8	0,025	0,025	0,025
Nodular graphite and malleable iron	≤ 350 HB	15,8	0,025	0,025	0,025
Chilled cast iron	≤ 350 HB	15,8	0,025	0,025	0,025
Aluminium and aluminium alloys	≤ 400 N/mm²	21,8	0,025	0,025	0,025
Wrought aluminium alloys	≤ 650 N/mm²	21,8	0,025	0,025	0,025
Cast aluminium alloys ≤ 10% Si	≤ 600 N/mm²	21,8	0,025	0,025	0,025
Cast aluminium alloys > 10% Si	≤ 600 N/mm²	21,8	0,025	0,025	0,025
Magnesium alloys	≤ 400 N/mm²	21,8	0,025	0,025	0,025
Copper, low-alloy	≤ 500 N/mm²	21,8	0,025	0,025	0,025
Brass, short-chipping	≤ 600 N/mm²	21,8	0,025	0,025	0,025
Brass, long-chipping	≤ 600 N/mm²	21,8	0,025	0,025	0,025
Bronze, short-chipping	≤ 600 N/mm²	21,8	0,025	0,025	0,025
Bronze, short-chipping	≤ 850 N/mm²	21,8	0,025	0,025	0,025
Bronze, long-chipping	≤ 850 N/mm²	21,8	0,025	0,025	0,025
Bronze, long-chipping	≤ 1000 N/mm²	21,8	0,025	0,025	0,025
Plastics	≤ 150 N/mm²	21,8	0,025	0,025	0,025

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