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    • wood screw Tess
    • wood screw Emma
    • wood screw Anna
    • counter head screw Lieke
    • terrace screw Julia
    • roof screw Noortje
    • glass screw Sara
    • faƧade screw Mia
    • faƧade screw Lotte
  • screw specials
  • private label
  • bulk sales & bulk packaging
  • contact
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All about Screws

Welcome to the ALDU fasteners knowledge base on screws. Here you will find extensive information on different types of screws, their applications, materials and practical tips.
Whether you are a do-it-yourselfer, construction professional or someone just curious, this resource will help you gain a deeper understanding of the world of screws.

Types of screws

  • Wood screws
  • Metal screws
  • Concrete screws
  • Self-drilling screws
  • Machine bolts

Screw heads and drives

  • Phillips head
  • Slotted head
  • Torx
  • Hexagon head (Allen)
  • Combination heads

Screwing materials

  • Carbon steel
  • Stainless steel
  • Brass
  • Galvanised steel
  • Aluminium

Screw lengths and diameters

  • How screw gauges are measured
  • Choosing the right length and diameter for different applications

Selection and use

  • Choosing the right screw for your project
  • Thread and bore diameter
  • Predrilling and countersinking
  • Installation tips and avoiding mistakes

Maintenance and storage

  • How to store screws to prevent corrosion
  • Tips to keep screws in good condition
ALDU-groep-logo
  • assortment
  • screw specials
  • private label
  • bulk sales & bulk packaging
  • Knowledge base
  • contact
  • assortment
  • screw specials
  • private label
  • bulk sales & bulk packaging
  • Knowledge base
  • contact
  • assortment
  • screw specials
  • private label
  • bulk sales & bulk packaging
  • Knowledge base
  • contact
  • assortment
  • screw specials
  • private label
  • bulk sales & bulk packaging
  • Knowledge base
  • contact
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