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Exterior coach screw - high pull-out retention

The_FD
The_FD Posts: 85 Forumite
in In my home (includes DIY) MoneySaving
What does the term "high pull-out retention" mean with coach screws? As in this description. Does it mean it will not be pulled out easily?

Sorry if this seems a daft question.

Comments

  • leveller2911
    leveller2911 Posts: 8,061 Forumite
    Basically Yes FD, if the coach screw has a narrow thread they can when under strain pull out, rather like an ordinary wire nail as opposed to an annular ring nail(nail with serrated rings down the shaft).As they have a wide thread they should hold better.
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