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A
is the No: Size. See No: Conversions below
B is the Length of where the Screw is measured. The main things about Woodscrews. They have a Round Head a shank and a courser thread, as apposed to the Self- Tapping Screw which are Pan Head, finer thread that runs full length. Woodscrews should only be for wood or Plastic wall Plug. |
| No4 = 3mm, No6 = 3.5mm, No8 = 4mm, No10 = 5mm, No12 = 5.5mm, No14 = 6mm. | |
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Sea-Screw is UK Stainless Fixing Stockiest
That Also Supplies Marine Hardware
