What drill bit?

Discussion in 'Carpenters' Talk' started by ShaneZ, Jul 17, 2016.

  1. ShaneZ

    ShaneZ New Member

    ShaneZ, Jul 17, 2016
    #1
  2. chippie244

    chippie244 Super Member

    Usually about 10mm but do a test first.
     
    chippie244, Jul 17, 2016
    #2
  3. ShaneZ

    ShaneZ New Member

    I've just noticed there's a number 9 and a 51 engraved on the barell of the anchor, does this mean use a 9mm bit?
     
    ShaneZ, Jul 17, 2016
    #3
  4. chippie244

    chippie244 Super Member

    Probably not.
     
    chippie244, Jul 17, 2016
    #4
  5. Jitender

    Jitender Screwfix Select

    9 represents the thickness of the plasterboard or substrate, 51 is the screw length in mm.
     
    Jitender, Jul 17, 2016
    #5
  6. Mr. Handyandy

    Mr. Handyandy Screwfix Select

    Make sure the bolt is in and just screwed to keep the length when pushing into your hole. Otherwise if your hole is a bit tight, it can bend the expanding lugs inward, and when you come to tighten it, they will try to bend inwards, which is no good.

    Mr. HandyAndy - Really
     
    Mr. Handyandy, Jul 17, 2016
    #6
  7. Mr. Handyandy

    Mr. Handyandy Screwfix Select


    I think the 8-16 is the thickness of plasterboard!

    Mr. HandyAndy - Really
     
    Mr. Handyandy, Jul 17, 2016
    #7

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