Self tapping screws

Description

These self tapping screws are supplied in packs of 10.  Come in a range of sizes from No 4 to 8 and in 6.5mm to 20mm in length. They are high quality pan head with cross head drive.  Ideal replacements for lost screws in cases and various other items that are lost during disassembly.

Together with our range of machine screws provide the modeller with a full compliment of fasteners.  These self tapping screws are part of a full range of fasteners, standoffs and spacers in handy pack sizes at excellent prices.

For our full range of fasteners click

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Self-tapping screws are incredibly useful in modelling and miniature work, including model railways, and scale models. Their ability to cut their own threads as they are driven into a material makes them ideal for various applications where precision and reliability are needed.

Uses of Self-Tapping Screws in Modelling

1. Joining Components:
   • Use to assemble parts of structures, such as buildings, bridges, and other model railway scenery.
   • Ideal for connecting pieces where gluing alone may not provide sufficient strength.
2. Securing Baseboards:
   • Use to attach track sections, control panels, or other features to baseboards.
   • Allows for easy removal and reattachment during layout modifications or repairs.
3. Fixing Electronics:
   • Securely attach circuit boards, switches and battery holders in models or trains.
   • Useful for mounting small components like LEDs or servos.
4. Custom Modifications:
   • Allow for the attachment of custom-built or 3D-printed parts to existing models.
   • Useful for mounting custom details like handrails, signs, or other accessories.
5. Temporary Fixings:
   • Ideal for situations where disassembly may be needed later, such as during maintenance or when testing a layout.

Materials Suitable for Self-Tapping Screws

1. Plastics:
   • Commonly used to join plastic parts in models. The sharp threads cut into plastic without cracking it.
2. Wood:
   • Can be used for small wooden components or thin plywood in model bases.
3. Thin Metal:
   • Some self-tapping screws are designed for lightweight metal, making them suitable for structural elements in models.

Tips for Using Self-Tapping Screws in Modelling

1. Pre-Drilling:
   • In harder materials, pre-drill a pilot hole slightly smaller than the screw diameter to avoid splitting or cracking.
2. Screw Type:
   • Choose screws with appropriate thread types for the material (coarse threads for softer materials like plastic or wood; finer threads for metal).
3. Size Selection:
   • Use correct sized screws to avoid damage to delicate model components.
4. Avoid Over-Tightening:
   • Do not over tighten as over-tightening can strip threads or deform parts.
5. Rust Protection:
   • stainless steel or coated screws should be used in environments where models may encounter moisture.