Self Tapping Screws | Self Tapping Bolts | RS
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    Self Tapping Screws

    Self-tapping screws are a type of fastener with a unique feature. They work by tapping their own threads in materials like plastic, wood, and metal. Self-tapping screws are split into two main categories, Thread-Forming and Thread-Cutting. The screws are similar in the job they do; however, they have two differences. One of the screws has a flat base, the other has a sharp point.

    The difference between self-tapping and self-drilling fasteners is that self-tapping screws will tap a hole into a soft material, self-drilling screws can drill a hole into anything from metal to wood meaning no pilot hole is needed. You can find out more in our self-tapping screws guide.

    Thread-Forming Screw

    Before using this self-tapping screw, it is recommended that a pilot hole is drilled into the material. As thread-forming screws have a flat nose, it makes the drilling process easier and is used when fastening plastic together.

    Thread-Cutting Screw

    This self-tapping screw does not require any preparation. As it has a pointed tip, it is not necessary to create a pre-drilled pilot hole. Thread-cutting screws can pierce a small entry hole while being driven into the material the thread is being created.

    Self-tapping screws are used where an application requires regular maintenance and regular easy access. These screws are useful in situations where products must be assembled and disassembled, such as access panels or even furniture.

    What self-tapping fasteners are available?

    When choosing the best self-tapper for your job, there are a few key points to consider e.g. the right head shape, drive type, and thread size are essential. Another factor would be the material the screws are used with, and the environment and elements they are exposed to.

    As a screwdriver is the only real tool used when working with self-tappers, make sure that you have the screwdriver with the appropriate drive type.

    Drive Types

    • Crosshead
    • Hexagon Head
    • Pozi
    • Torx

    Head Shapes

    • Pan Head
    • Countersunk
    • Button Head

    Materials and Finishes

    • Steel
    • Stainless Steel
    • Bright Zinc Plated
    • Clear Passivated

    748 Products showing for Self Tapping Screws

    -
    -
    No.4, No.6, No.8, No.10
    2.8mm, 3.3mm, 4.2mm, 4.8mm
    -
    -
    Pan
    Pozidriv
    Bright Zinc Plated, Clear Passivated
    Steel
    -
    -
    -
    -
    6mm
    -
    -
    -
    4
    Pan
    Pozidriv
    Bright Zinc Plated, Clear Passivated
    Steel
    -
    -
    -
    5/8in
    16mm
    -
    -
    DIN 7981C
    10
    Pan
    Pozidriv
    Plain
    Stainless Steel
    A2 304
    -
    -
    3/4in
    19mm
    -
    -
    DIN 7982C
    10
    Countersunk
    Pozidriv
    Plain
    Stainless Steel
    A2 304
    -
    -
    1/4in
    6.5mm
    -
    -
    DIN 7981C
    6
    Pan
    Pozidriv
    Bright Zinc Plated
    Steel
    -
    -
    -
    0.984in
    25mm
    M6
    6mm
    -
    -
    Pan
    -
    Bright Zinc Plated
    Steel
    -
    -
    -
    1/4in
    6.5mm
    -
    -
    DIN 7981C
    N°4
    Pan
    Pozidriv
    Plain
    Stainless Steel
    A2 304
    -
    -
    -
    13mm
    -
    -
    -
    6
    Pan
    Pozidriv
    Bright Zinc Plated, Clear Passivated
    Steel
    -
    -
    -
    0.63in
    16mm
    M6
    6mm
    -
    -
    Pan
    -
    Bright Zinc Plated
    Steel
    -
    -
    -
    1/2in
    12mm
    -
    2.9mm
    -
    4
    Countersunk
    -
    -
    A2/304 Stainless Steel
    -
    -
    -
    -
    12mm
    M5
    -
    DIN 7500CE-Z
    -
    Pan
    Cross
    Clear Passivated, Zinc
    Steel
    -
    -
    -
    3/8in
    9.5mm
    -
    -
    DIN 7981C
    4
    Pan
    Pozidriv
    Plain
    Stainless Steel
    A2 304
    -
    -
    5/16 X 1 1/4in
    -
    -
    -
    -
    -
    -
    -
    Zinc
    Steel
    -
    -
    -
    3/4in
    19mm
    -
    -
    DIN 7981C
    8
    Pan
    Pozidriv
    Bright Zinc Plated
    Steel
    -
    -
    -
    1.1/2in
    38mm
    -
    4.8mm
    -
    10
    Pan
    -
    Bright Zinc Plated
    Steel
    -
    -
    -
    1in
    25mm
    -
    -
    DIN 7981C
    10
    Pan
    Pozidriv
    Plain
    Stainless Steel
    A2 304
    -
    -
    3/4in
    19mm
    -
    -
    DIN 7981C
    8
    Pan
    Pozidriv
    Plain
    Stainless Steel
    A4 316
    -
    -
    1in
    -
    -
    -
    -
    -
    -
    -
    Zinc
    Steel
    -
    -
    -
    1in
    25mm
    -
    -
    DIN 7982C
    12
    Countersunk
    Pozidriv
    Plain
    Stainless Steel
    A2 304
    -
    -
    1.575in
    40mm
    M6
    6mm
    -
    -
    Pan
    -
    Bright Zinc Plated
    Steel
    -
    -
    -
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