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Screws - SBD | Rothoblaas
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Screws - SBD | Rothoblaas

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  • Use

    Screws
  • Applications

    Construction
  • Characteristics

    BIT included, concealed joints, timber-metal connections
  • Format

    Self-drilling
  • Sizes

    Diameter: 7,5 mm, Length: from 55 mm to 235 mm
  • Certification

    EN 14592

1 Supplementary File

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More about this product

SBD is a self-drilling dowel from Rothoblaas designed for timber-steel joints. The special self-perforating timber-metal tip geometry reduces the possibility of breakage. The cylindrical countersunk head ensures an optimal appearance and meets fire-resistance requisites.

Increased Diameter

The diameter of 7,5 mm ensures a shear resistance of over 15 % and enables optimization of the number of fasteners.

Double Thread

The thread up against the tip (b1) facilitates screwing. The increased length of the under head thread (b2) makes for fast, accurate closure.

Fields of Use

Self-drilling system for concealed timber-steel joints. Can be used with screw guns running at 600-1500 rpm with:

Joints

  • Knee Beam
    Ideal for joining head beams and making continuous beams, restoring shear forces and momentum. The small dowel diameter guarantees joints that offer high stiffness.
  • Moment Resisting Joint
    Also certified, tested and calculated for fastening standard Rothoblaas plates such as the TYP X pillar-holder.

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