High-precision countersink 90° 31 mm GARANT

Article no.: 150378 31
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External ⌀ Dc (mm) Unit price incl. VAT
  • Countersink tip angle: 90
  • Tool material: HSS E
  • Number of cutting edges Z: 3
  • Standard: DIN 335 C
  • Shank: Plain shank with h9

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Product details

Technical Data

External ⌀ 31 mm
Coating uncoated
Countersink tip angle 90 degrees
Tool material HSS E
Number of cutting edges Z 3
Standard DIN 335 C
Shank Plain shank with h9
Through-coolant no
smallest countersink ⌀ for holes from 4,2 mm
Overall length L 71 mm
Shank ⌀ Ds 12 mm
for countersunk screws DIN 7991 M16
Feed f in stainless steel < 900 N/mm2 0,18 mm/rev.
Shank tolerance h9
Colour ring blue
Pre-drill ⌀ 4,2 mm
Type of product Stepped drill and countersink

Identification numbers & Classifications

Article number 150378 31
EAN / GTIN 4045197086426
Manufacturer number 150378 31

Application Table

Alu plastics
N
70
Aluminium (short chipping)
N
33
Alu > 10% Si
N
25
Steel < 500 N/mm²
P
28
Steel < 750 N/mm²
P
27
Steel < 900 N/mm²
P
27
Steel < 1100 N/mm²
P
8
Steel < 1400 N/mm²
P
4
INOX < 900 N/mm²
M
7
INOX > 900 N/mm²
M
7
Ti > 850 N/mm²
S
7
GG(G)
K
12
CuZn
N
65
wet minimum
 
dry
 

Description

Version:

All countersinks have 3 cutting edges, radially relieved.
Flutes are ground from solid.
High-precision countersink, produced with tight manufacturing tolerances similar to DIN 335-C.

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External ⌀ 31 31 31 31 31 31
Colour ring blue without without without without blue
Overall length L 71 71 71 140 190 71
Countersink tip angle 90 90 90 90 90 90
Tool material HSS E HSS HSS HSS HSS Solid carbide
Shank ⌀ Ds 12 12 12 12 12 12
smallest countersink ⌀ for holes from 4,2 4,2 4,2 4,2 4,2 4,2

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