Conical countersink blue ring HSS, DIN 335C, 90° - CNTSNK-CONI-MA-BLUE-HSS-90DGR-D16,5MM

Conical countersink blue ring HSS, DIN 335C, 90° - CNTSNK-CONI-MA-BLUE-HSS-90DGR-D16,5MM - 1

Conical countersink blue ring HSS, DIN 335C, 90°

Name: Conical countersink blue ring HSS, DIN 335C, 90°
Brand: Würth
SKU: 069401716

Conical countersink HSS, blue ring
CNTSNK-CONI-MA-BLUE-HSS-90DGR-D16,5MM
ZEBRA

Art.-no. 069401716

EAN 4011231603218

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Conical countersink blue ring HSS, DIN 335C, 90°

Art.-no. 069401716

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x 1 pcs

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Designed specifically for processing conventional steels and cast iron.

Burr- and chatter-free countersinking and deburring

Precision conical countersink with 3 cutting edges, precision-ground

Optimised spiral flute geometry

Excellent chip formation and removal

Sustainable product packaging made from 100 % PCR (recycled plastic from household waste), 100 % recyclable and Cradle to Cradle Certified^_® in Bronze

Product information

Würth Catalogue

Datasheets(X)

Certificates/ Documents


Material to be processed	Steel, Cast metal
Quality	ZEBRA-Premium
Spot-facer diameter (d1)	16.5 mm
Shank diameter (d2)	10 mm
Tip diameter (d3)	3.2 mm
Length (l1)	60 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)	2 of 4 points
Versatility (points system)	1 of 4 points
Countersinking behaviour (point system)	2 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

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.

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)
6,300	M3	M3
8,300	M4	-
10,400	M5	M4, M5
12,400	M6	M6
16,500	M8	M8
20,500	-	M10
25,000	M10, M12	M12
31,000	M16	-

For dia. 16.5-31
Material designation	Tensile strength	v_c	f
			Dia. 16.5	Dia. 20.5	Dia. 25	Dia. 31
Steels
General structural steels	≤ 500 N/mm²	35	0,170	0,180	0,210	0,240
General structural steels	≤ 1,000 N/mm²	33	0,110	0,130	0,150	0,170
Unalloyed hardened steels	≤ 700 N/mm²	35	0,170	0,180	0,210	0,240
	≤ 850 N/mm²	33	0,170	0,180	0,210	0,240
	≤ 1,000 N/mm²	22	0,110	0,130	0,150	0,170
Alloyed hardened steels	≤ 1,000 N/mm²	17	0,170	0,180	0,210	0,240
Alloyed hardened steels	≤ 1,400 N/mm²	13	0,110	0,130	0,150	0,170
Nitriding steels	≤ 1,000 N/mm²	17	0,110	0,130	0,150	0,170
Nitriding steels	≤ 1,400 N/mm²	13	0,070	0,080	0,090	0,120
Tool steels	≤ 850 N/mm²	19	0,110	0,130	0,150	0,170
Tool steels	≤ 1,400 N/mm²	17	0,070	0,080	0,090	0,120
High-speed steels	≤ 1,400 N/mm²	17	0,070	0,080	0,150	0,120
Stainless steels
Sulphurated stainless steels	≤ 900 N/mm²	18	0,110	0,130	0,150	0,170
Austenitic stainless steels	≤ 1,100 N/mm²	13	0,070	0,080	0,090	0,120
Martensitic stainless steels	≤ 1,200 N/mm²	15	0,070	0,080	0,090	0,120
Titanium and titanium alloys	≤ 850 N/mm²	17	0,110	0,130	0,150	0,170
Titanium and titanium alloys	≤ 1,400 N/mm²	11	0,070	0,080	0,090	0,120
Special alloys	≤ 1,600 N/mm²	9	0,110	0,130	0,150	0,170
Cast metals
Cast iron	≤ 240 HB	28	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	24	0,170	0,180	0,210	0,240
Spheroidal graphite and malleable iron	≤ 350 HB	22	0,170	0,180	0,210	0,240
Chilled cast iron	≤ 350 HB	9	0,070	0,080	0,090	0,120
Hard materials
Spring steels	≤ 350 HB	11	0,070	0,080	0,090	0,120

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
Steels
General structural steels	≤ 500 N/mm²	35	0,120	0,130	0,140	0,150
General structural steels	≤ 1,000 N/mm²	33	0,070	0,080	0,090	0,100
Unalloyed hardened steels	≤ 700 N/mm²	35	0,120	0,130	0,140	0,150
	≤ 850 N/mm²	33	0,120	0,130	0,140	0,150
	≤ 1,000 N/mm²	22	0,070	0,080	0,090	0,100
Alloyed hardened steels	≤ 1,000 N/mm²	17	0,120	0,130	0,140	0,150
Alloyed hardened steels	≤ 1,400 N/mm²	13	0,070	0,080	0,090	0,100
Nitriding steels	≤ 1,000 N/mm²	17	0,070	0,080	0,090	0,100
Nitriding steels	≤ 1,400 N/mm²	13	0,040	0,050	0,060	0,060
Tool steels	≤ 850 N/mm²	19	0,070	0,080	0,090	0,100
Tool steels	≤ 1,400 N/mm²	17	0,040	0,050	0,060	0,060
High-speed steels	≤ 1,400 N/mm²	17	0,040	0,050	0,060	0,060
Cast metals
Cast iron	≤ 240 HB	28	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	24	0,120	0,130	0,140	0,150
Spheroidal graphite and malleable iron	≤ 350 HB	22	0,120	0,130	0,140	0,150
Chilled cast iron	≤ 350 HB	9	0,040	0,050	0,060	0,060

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