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S-MD 21 Z Self-drilling metal screws

S-MDU21Z 6.3x22 M (87369)

Self-drilling screw (zinc-plated carbon steel) with pressed-on flange for thin metal-to-metal fastenings (up to 3 mm)

  • Base materials: Carbon steel
  • Environmental conditions: Dry indoor
  • Product class: Premium
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1
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Technical Data

Base materials
Carbon steel
Environmental conditions
Dry indoor
Product class
Premium
Washer type
Pressed-on

Documents

pdf Powder-actuated fasteners and fastening screws in steel construction, Reprint from Stahlbau-Kalender 2019, Ernst & Sohn, English [ 7 MB ]

Features & Applications

Features

  • Self-drilling screw for fast assembly in one step
  • EPDM rubber washer – creates a more reliable seal against water
  • Fast and robust drill tip
  • For reliable fastenings with defined load values
  • Attractive final appearance – screw head can be coloured to match the façade

Applications

  • Fastening sheet metal and profiles to steel substructures and framing, with or without intermediate insulation layers
  • Galvanised carbon steel for fastening in dry, indoor environments
  • Thin metal-to-metal connections (up to 3 mm)
  • Especially suitable for cassette system walls on HTU cast-in channels, C/U profiles etc.

For approval or certificate information, please see individual items.

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