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S-MD 21 Z Self-drilling metal screws

Self-drilling screw S-MD21Z 5 #234588

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Technical Data
Documents
Features & Applications
Related Products
S-MD21Z 5,5x25 self-drilling tip 1 screw

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

  • Screw drive/recess type: Hexagon 8
  • Washer size: 15 mm
  • Base materials: Carbon steel
premium

Choose options

Base materials
  • Carbon steel
Corrosion protection
  • Galvanized zinc plated
Drilling capacity range DC
  • 1.2 - 3 mm
Thickness fastened range MF
  • 1.2 - 15 mm
Length
  • 25 mm
Pack size
  • 500 pc
 Product options
Quantity
Pack
Total Pieces
500
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Discounted net
257.00 ILS
0.51 ILS
/
1 each

Technical Data

Screw drive/recess type
Hexagon 8
Washer size
15 mm
Base materials
Carbon steel
Drilling capacity - max
3 mm
Environmental Conditions
Dry indoor
Screw diameter d
5.5 mm
Length
25 mm
Drilling capacity DC - min
1.2 mm
Screw-head diameter
10 mm
Product Class
Premium
Washer type
Pressed-on

Documents

Reference document
Technical information
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 colored to match the façade

Applications

  • Fastening sheet metal and profiles to steel substructures and framing, with or without intermediate insulation layers
  • Galvanized 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.
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