Square Drive Countersunk Wood Screws - Zinc

  • Square Drive Countersunk Wood Screws - Zinc

    This is the most common screw style; it is used for general work and has the widest range of sizes. The countersunk head allows the screw to be sunk into the timber or fitting for a flat surface.

    Finish is clear (silver) zinc plating; ideal for matching hardware hinges gate fittings etc. It is moderately corrosion resistant, but the finish is primarily decorative so should only be used in sheltered exterior applications if necessary.

    For superior moisture resistance, check out the stainless screws.

    Origin of the Robertson square drive screws

    The "Robertson" screws were invented in Canada by Peter Robertson in 1908. Due to patent restrictions they stayed in Canada for many years and became the standard screw in that country. They are now spreading rapidly through the US and other countries. It is a far superior system and we are sure you will agree “once you use them you don't want to use anything else”. 

    Not only is the drive system better than the conventional drives, the actual quality of the screws is superb. The screws are extremely strong and the square drive means the driver doesn't jump out and the screw does not break under heavy load. 

    4Gx10mm Pk 100 Use #0 Driver
    SQD-0410-Z
    $4.00 (inc GST)
    4Gx12mm Pk 100 Use #0 Driver
    SQD-0412-Z
    $3.50 (inc GST)
    4Gx25mm Pk 100 Use #0 Driver
    SQD-0425-Z
    $4.50 (inc GST)
    6Gx15mm Pk 100 Use #1 Driver
    SQD-0615-Z
    $5.00 (inc GST)
    6Gx19mm Pk 100 Use #1 Driver
    SQD-0619-Z
    $5.00 (inc GST)
    6Gx25mm Pk 100 Use #1 Driver
    SQD-0625-Z
    $5.75 (inc GST)
    6Gx31mm Pk 100 Use #1 Driver
    SQD-0631-Z
    $6.25 (inc GST)
    6Gx37mm Pk 100 Use #1 Driver
    SQD-0637-Z
    $7.00 (inc GST)
    8Gx19mm Pk 100 Use #2 Driver
    SQD-0819-Z
    $5.25 (inc GST)
    8Gx25mm Pk 100 Use #2 Driver
    SQD-0825-Z
    $6.25 (inc GST)
    8Gx31mm Pk 100 Use #2 Driver
    SQD-0831-Z
    $6.50 (inc GST)
    8Gx37mm Pk 100 Use #2 Driver
    SQD-0837-Z
    $7.75 (inc GST)
    8Gx44mm Pk 100 Use #2 Driver
    SQD-0844-Z
    $8.75 (inc GST)
    8Gx50mm Pk 100 Use #2 Driver
    SQD-0850-Z
    $9.00 (inc GST)
    8Gx62mm Pk 50 Use #2 Driver
    SQD-0862-Z
    $5.75 (inc GST)
    10Gx25mm Pk 100 Use #2 Driver
    SQD-1025-Z
    $7.75 (inc GST)
    10Gx44mm Pk 100 Use #2 Driver
    SQD-1044-Z
    $10.00 (inc GST)
    10Gx50mm Pk 100 Use #2 Driver
    SQD-1050-Z
    $11.25 (inc GST)
    10Gx62mm Pk 50 Use #2 Driver
    SQD-1062-Z
    $7.00 (inc GST)
    10Gx75mm Pk 50 Use #2 Driver
    SQD-1075-Z
    $8.25 (inc GST)
    10Gx88mm Pk 50 Use #2 Driver
    SQD-1088-Z
    $10.75 (inc GST)
    10Gx99mm Pk 50 Use #2 Driver
    SQD-1099-Z
    $13.00 (inc GST)
    12Gx19mm Pk 100 Use #3 Driver
    SQD-1219-Z
    $9.50 (inc GST)
    12Gx31mm Pk 100 Use #3 Driver
    SQD-1231-Z
    $11.00 (inc GST)
    12Gx37mm Pk 100 Use #3 Driver
    SQD-1237-Z
    $12.50 (inc GST)
    12Gx88mm Pk 100 Use #3 Driver
    SQD-1288-Z
    $10.75 (inc GST)
     

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