• The item cannot be ordered due to missing prices.

High-precision countersink, long, with 3 drive flats 90° 8,3 mm

Article no.: 150376 8,3

Select article variation and quantity

External ⌀ Dc (mm) Unit price incl. VAT
  • Countersink tip angle: 90
  • Tool material: HSS
  • Spacing of the countersink cutting edges: unequal spacing
  • Number of cutting edges Z: 3
  • Standard: Manufacturer’s standard

Add to shopping list

    Share this product

    or copy this link

    Offers

    Set with price advantage

    Product details

    Technical Data

    External ⌀ 8.3 mm
    Coating TiAlN
    Countersink tip angle 90 degrees
    Tool material HSS
    Spacing of the countersink cutting edges unequal spacing
    Number of cutting edges Z 3
    Standard Manufacturer’s standard
    Shank Three clamping flats to 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 0.1 mm/rev.
    Shank tolerance h9
    Colour ring green
    Pre-drill ⌀ 2 mm
    Type of product Stepped drill and countersink

    Identification numbers & Classifications

    Article number 150376 8,3
    EAN / GTIN 4062406065997
    Manufacturer number 150376 8,3

    Application Table

    Alu plastics
    N
    75
    Aluminium (short chipping)
    N
    75
    Alu > 10% Si
    N
    50
    Steel < 500 N/mm²
    P
    65
    Steel < 750 N/mm²
    P
    50
    Steel < 900 N/mm²
    P
    30
    Steel < 1100 N/mm²
    P
    18
    Steel < 1400 N/mm²
    P
    8
    Steel < 55 HRC
    H
    8
    INOX < 900 N/mm²
    M
    16
    INOX > 900 N/mm²
    M
    10
    Ti > 850 N/mm²
    S
    12
    GG(G)
    K
    25
    CuZn
    N
    60
    Graphite, GRP, CRP
    N
    Uni
     
    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 DIN335-C, with long plain shank.
    Special geometry with extremely unequal spacing and matching cutting edge preparation.
    Newly developed, special TiAlN coating for long tool life.
    Three drive flats on the shank for use in a 3-jaw chuck.

    Application:

    High-precision countersinks for chatter-free production of precise, round 90° countersunk surfaces.

    Downloads & documents

    Services & product advisors

    Direct purchase

    Sign in to your Account

    To shopping cart