Special frame screw for window and door installation

Features and benefits

  • Flat head for the comfortable installation in matal window and door frames.
  • No additional plugs required, making the WHO screw a user-friendly and time-efficient fixing solution
  • Expansion-free fixing imposes less stress on substrate during installation
  • High load resistances from a relatively small hole diameter
  • Easily removed for temporary works

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    Product information

    Size

    Product Code

    Screw diameter

    Screw

    Fixture

    Length

    Max. thickness

    Hole diameter

    d

    L

    tfix Concrete

    tfix Other

    df

    [mm]

    [mm]

    [mm]

    [mm]

    [mm]

    Ø7.5

    R-WHS-75052

    7.5

    52

    22

    -

    8

    R-WHS-75072

    7.5

    72

    42

    12

    8

    R-WHS-75092

    7.5

    92

    62

    32

    8

    R-WHS-75112

    7.5

    112

    82

    52

    8

    R-WHS-75132

    7.5

    132

    102

    72

    8

    R-WHS-75152

    7.5

    152

    122

    92

    8

    R-WHS-75182

    7.5

    182

    152

    122

    8

    R-WHS-75202

    7.5

    202

    172

    142

    8

    R-WHS-75212

    7.5

    212

    182

    152

    8

    Base material

    • Concrete

      Concrete

    • Solid Brick

      Solid Brick

    • Hollow Brick

      Hollow Brick

    • Aerated Concrete Block

      Aerated Concrete Block

    Applications

    • Door and window frames
    • Securing formwork
    • Suspended ceilings
    • Lightweight steel angles
    • Timber constructions

    Installation guide

    Installation guide
    Installation guide
    Installation guide
    Installation guide
    1. Drill a hole of required diameter and depth
    2. Lightly screw into hole through the fixture, until fixing depth is reached and fixture is secure

    Installation data

    Substrate

    Concrete

    Aerated concrete

    Other

    Fixing diameter

    d

    [mm]

    7.5

    7.5

    7.5

    Hole diameter in substrate

    d0

    [mm]

    6

    6

    6

    Min. hole depth in substrate

    h0

    [mm]

    40

    -

    70

    Min. installation depth

    hnom

    [mm]

    30

    60

    60

    Min. substrate thickness

    hmin

    [mm]

    60

    90

    90

    Min. spacing

    smin

    [mm]

    15

    30

    30

    Min. edge distance

    cmin

    [mm]

    15

    50

    50

    Downloads

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    Associated products

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      RT-SDSA Drill bits Aggressor SDS plus

    • RT-SDSB Drill bits Brickdrill SDS plus

      RT-SDSB Drill bits Brickdrill SDS plus

    • RT-SDSR Drill bits Rebardrill SDS plus

      RT-SDSR Drill bits Rebardrill SDS plus

    • RT-MAXA Drill bits Aggressor SDS max

      RT-MAXA Drill bits Aggressor SDS max

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