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

Conical countersink HSS, blue ring
CNTSNK-CONI-MA-BLUE-HSS-90DGR-D31MM
ZEBRA

Art.-no. 069401731
EAN 4011231603249

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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

Datasheets(X)

Certificates/ Documents

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Material to be processed

Steel
Cast metal

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

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

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)
6,300M3M3
8,300M4-
10,400M5M4, M5
12,400M6M6
16,500M8M8
20,500-M10
25,000M10, M12M12
31,000M16-
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.
Additional accessory:
 
Product
Description
Quantity
PU
Excl. Vat Price
/PU
CUT+COOL drilling and cutting oil

CUTOIL-DRILL-(CUT-COOL)-400ML

Multi cutting oil for light to medium machining work
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The article number is made up of the following: VVVVAAABBB
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Example 1: Screw with dimensions of 4x10 mm:
VVVVAAABBB
00574 10 (2 spaces between the 4 and the 10)

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VVVVAAABBB
005710 20 (1 space between the 10 and the 20)

Example 3: Flat washer with an internal diameter of 6 mm:
VVVVAAABBB
04076
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Art.-no.
Cust. Mat. No.

Hazardous Material

Product information

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