High-precision countersink 90° 31 mm

Article no.: 150396 31
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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: DIN 335 D
  • Shank: Morse taper

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    Product details

    Technical Data

    External ⌀ 31 mm
    Coating TiN
    Countersink tip angle 90 degrees
    Tool material HSS
    Number of cutting edges Z 3
    Standard DIN 335 D
    Shank Morse taper
    Through-coolant no
    smallest countersink ⌀ for holes from 4.2 mm
    Overall length L 112 mm
    Morse taper MT 2
    for countersunk screws DIN 7991 M16
    Feed f in steel < 500 N/mm2 0.25 mm/rev.
    Colour ring without
    Pre-drill ⌀ 4.2 mm
    Type of product Stepped drill and countersink

    Identification numbers & Classifications

    Article number 150396 31
    EAN / GTIN 4045197087027
    Manufacturer number 150396 31

    Application Table

    Alu > 10% Si
    N
    25
    Steel < 500 N/mm²
    P
    34
    Steel < 750 N/mm²
    P
    32
    Steel < 900 N/mm²
    P
    32
    CuZn
    N
    80
    wet maximum
     
    dry
     

    Description

    Version:

    Countersinks radially relief ground. Chip flutes are ground from solid up to size 31. Chip angle varies with the countersink ⌀ for optimum chip formation. Countersink point and circumference are relief ground and cut easily.
    High-precision countersink for considerable performance improvement.

    Note:

    For suitable reducing adapters for tools with MT shanks see No. 343000-343530.
    For countersink bits with shank 6.3 mm (1/4 inch) see Group 67.

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    Buiten-⌀ 31 31 31
    Gekleurde ring without zonder zonder
    Voor schroeven met verzonken kop DIN 7991 M16 M16 M16
    Schacht Morse taper Morseconus Morseconus
    Snijmateriaal HSS HSS HSS
    Kleinste verzinkboor-⌀ voor boring vanaf 4.2 4.2 4,2
    Producttype Stepped drill and countersink Getrapte verzinkboor en verzinkboor Getrapte verzinkboor en verzinkboor

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