High-precision countersink, long 90° 8,3 mm

Article no.: 150371 8,3
plus VAT at the current rate Prices plus delivery costs
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236 pieces in stock

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External ⌀ Dc (mm) Unit price incl. VAT
  • Countersink tip angle: 90
  • Tool material: HSS
  • Number of cutting edges Z: 3
  • Standard: Manufacturer’s standard
  • Shank: Plain shank with h9

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Product details

Technical Data

External ⌀ 8.3 mm
Coating uncoated
Countersink tip angle 90 degrees
Tool material HSS
Number of cutting edges Z 3
Standard Manufacturer’s standard
Shank Plain shank with h9
Through-coolant no
smallest countersink ⌀ for holes from 2 mm
Overall length L 105 mm
Shank ⌀ Ds 6 mm
for countersunk screws DIN 7991 M4
Feed f in steel < 500 N/mm2 0.09 mm/rev.
Shank tolerance h9
Colour ring without
Pre-drill ⌀ 2 mm
Type of product Stepped drill and countersink

Identification numbers & Classifications

Article number 150371 8,3
EAN / GTIN 4045197086105
Manufacturer number 150371 8,3

Application Table

Alu plastics
N
70
Aluminium (short chipping)
N
33
Alu > 10% Si
N
20
Steel < 500 N/mm²
P
28
Steel < 750 N/mm²
P
27
Steel < 900 N/mm²
P
27
wet maximum
 
dry
 

Description

Version:

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

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Number of cutting edges Z 3 3 3 3 3
Coating uncoated uncoated uncoated uncoated uncoated
for countersunk screws DIN 7991 M4 M4 M4 M4 M4
Overall length L 105 50 50 155 50
Countersink tip angle 90 90 90 90 90
Shank Plain shank with h9 Plain shank with h9 Plain shank with h9 Plain shank with h9 Plain shank with h9
smallest countersink ⌀ for holes from 2 2 2 2 2

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