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HSCo 90° green-ring countersink DIN 335C

Conical countersink HSCo, green ring
CNTSNK-CONI-MA-GREEN-HSCO-90DGR-D31MM
ZEBRA

Art.-no. 069401931
EAN 4011231603423
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HSCo 90° green-ring countersink DIN 335C

Art.-no. 069401931

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Quantity
PU
x 1 pcs

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Particularly suitable for processing stainless steel, alloyed or high-alloy and rust- and acid-resistant steels.

Burr- and chatter-free countersinking and deburring


Precision tapered countersink with three cutting edges, precision-ground



Optimised flute geometry


Excellent chip formation and removal



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

Product information

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Material to be processed

Steel
Cast metal
Stainless steel
Titanium
Special alloy

Quality

ZEBRA-Premium

Spot-facer diameter (d1)

31 mm

Shank diameter (d2)

12 mm

Tip diameter (d3)

4.2 mm

Length (l1)

71 mm

Number of cutting edges (Z)

3 PCS

Standards

DIN 335

Form

C

Cutting material

HSCo

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)

2 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
Stainless steels, sulphurated
Stainless steels, austenitic
Stainless steels, martensitic
Titanium
Titanium alloys
Special alloys
Spring steels

Assignment of conical countersink to screw standards
Conical countersink nominal diameter d1For countersunk head screwsFor 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 mmM3M3
8.3 mmM4-
10.4 mmM5M4, M5
12.4 mmM6M6
16.5 mmM8M8
20.5 mm-M10
25.0 mmM10, M12M12
31.0 mmM16-
Cutting values
For dia. 6.3-12.4
Material designationTensile strengthvcf
Dia. 6.3Dia. 8.3Dia. 10.4Dia. 12.4
Steels
General structural steels≤ 500 N/mm²350,1200,1300,1400,150
≤ 1,000 N/mm²330,0700,0800,0900,100
Unalloyed quenched and tempered steels≤ 700 N/mm²350,1200,1300,1400,150
≤ 850 N/mm²330,1200,1300,1400,150
≤ 1,000 N/mm²220,0700,0800,0900,100
Alloyed quenched and tempered steels≤ 1,000 N/mm²170,1200,1300,1400,150
≤ 1,400 N/mm²130,0700,0800,0900,100
Nitriding steels≤ 1,000 N/mm²170,0700,0800,0900,100
≤ 1,400 N/mm²130,0400,0500,0600,060
Tool steels≤ 850 N/mm²190,0700,0800,0900,100
≤ 1,400 N/mm²170,0400,0500,0600,060
High-speed steels≤ 1,400 N/mm²170,0400,0500,0600,060
Stainless steels
Sulphurated stainless steels≤ 900 N/mm²180,0680,0810,0900,100
Austenitic stainless steels≤ 1,100 N/mm²130,0400,0500,0600,060
Martensitic stainless steels≤ 1,200 N/mm²150,0400,0500,0600,060
Titanium and titanium alloys≤ 850 N/mm²170,0700,0800,0900,100
≤ 1,400 N/mm²110,0400,0500,0600,060
Special alloys≤ 1,600 N/mm²90,0700,0800,0900,100
Cast metals
Cast iron≤ 240 HB280,1200,1300,1400,150
≤ 350 HB180,1200,1300,1400,150
Spheroidal graphite and malleable iron≤ 240 HB240,1200,1300,1400,150
≤ 350 HB220,1200,1300,1400,150
Chilled cast iron≤ 350 HB90,0400,0500,0600,060
Hard materials
Spring steels≤ 350 HB110,0400,0500,0600,060
For dia. 16.5-31
Material designationTensile strengthvcf
Dia. 16.5Dia. 20.5Dia. 25Dia. 31
Steels
General structural steels≤ 500 N/mm²350,1700,1800,2100,240
≤ 1,000 N/mm²330,1100,1300,1500,170
Unalloyed quenched and tempered steels≤ 700 N/mm²350,1700,1800,2100,240
≤ 850 N/mm²330,1700,1800,2100,240
≤ 1,000 N/mm²220,1100,1300,1500,170
Alloyed quenched and tempered steels≤ 1,000 N/mm²170,1700,1800,2100,240
≤ 1,400 N/mm²130,1100,1300,1500,170
Nitriding steels≤ 1,000 N/mm²170,1100,1300,1500,170
≤ 1,400 N/mm²130,0700,0800,0900,120
Tool steels≤ 850 N/mm²190,1100,1300,1500,170
≤ 1,400 N/mm²170,0700,0800,0900,120
High-speed steels≤ 1,400 N/mm²170,0700,0800,1500,120
Stainless steels
Sulphurated stainless steels≤ 900 N/mm²180,1100,1300,1500,170
Austenitic stainless steels≤ 1,100 N/mm²130,0700,0800,0900,120
Martensitic stainless steels≤ 1,200 N/mm²150,0700,0800,0900,120
Titanium and titanium alloys≤ 850 N/mm²170,1100,1300,1500,170
≤ 1,400 N/mm²110,0700,0800,0900,120
Special alloys≤ 1,600 N/mm²90,1100,1300,1500,170
Cast metals
Cast iron≤ 240 HB280,1700,1800,2100,240
≤ 350 HB180,1700,1800,2100,240
Spheroidal graphite and malleable iron≤ 240 HB240,1700,1800,2100,240
≤ 350 HB220,1700,1800,2100,240
Chilled cast iron≤ 350 HB90,0700,0800,0900,120
Hard materials
Spring steels≤ 350 HB110,0700,0800,0900,120
Legend
vc = cutting speed [m/min]
f = feed (mm/r)
The suggested cutting values are reference values and must be adapted to the respective conditions.

Art.-no.
Cust. Mat. No.

Hazardous Material

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