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S-MD 51 S Self-drilling metal screws

Self-drill screw S-MD51S 5,5x25 #378257

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Technical Data
Documents
Features & Applications
Related Products
S-MD

Self-drilling screw (A2 stainless steel) with 16 mm washer for thin metal-to-metal fastenings (up to 2mm)

  • Screw drive/recess type: Hexagon 8
  • Washer size: 16 mm
  • Base materials: Carbon steel, Aluminium
premium

Choose options

Corrosion protection
  • Stainless steel A2
Thickness fastened range MF
  • 1.2 - 8 mm
Length
  • 25 mm
Pack size
  • 500 pc
 Product options
Quantity
Packs
Total Pieces
500
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Discounted net
OMR 0.486
OMR 0.490
/
1 each

Technical Data

Screw drive/recess type
Hexagon 8
Washer size
16 mm
Base materials
Carbon steel, Aluminium
Environmental conditions
Dry indoor, Indoor with temporary condensation, Outdoor with low pollution, Outdoor with moderate concentration of pollution
Screw diameter d
5.5 mm
Length
25 mm
Screw head diameter
10 mm
Product class
Premium
Washer type
Bonded EPDM

Documents

Approval document
Certificate
Reference document
Technical information
Operating Instruction
pdf DIBt Zulassung Z-14.4-769 für Fassadenschrauben S-MD, S-AD, S-MP, S-PD und S-PS, German, English [ 13.3 MB ]
pdf ETA-18/0880_for_SM_screws_2024-04-11_en, German [ 4.4 MB ]
pdf ETA-18/0880_for_SM_screws_2024-04-11_en, English [ 4.4 MB ]

Features & Applications

Features

  • Self-drilling screw for fast assembly in one step
  • Reliable, corrosion-resistant fastenings
  • EPDM rubber washer – creates a more reliable seal against water
  • Fast and robust drill tip
  • For reliable fastenings with defined load values

Applications

  • Fastening sheet metal and profiles to steel substructures and framing, with or without intermediate insulation layers
  • Stainless steel (A2) for fastening in mildly corrosive environments
  • Thin metal-to-metal connections (up to 2 mm)
  • For applications requiring watertight fastenings with 16 mm washer
  • Fastening steel/aluminium to wood substructures
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