TOOLCRAFT Sheet Metal Screws - Phillips - Raised Head - 2.2 x 6.5mm

Self-tapping screws with Phillips recesses. Galvanised steel, DIN 7981 C, ISO 7049. Supplied in pa...

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Product Information

Full details

This guide is for DIY enthusiasts, metalworkers, and general contractors needing reliable fasteners for sheet metal applications. The key benefit is the secure, flush finish provided by the raised head and Phillips drive, suitable for various assembly tasks. A potential caveat is the specific size (2.2 x 6.5mm), which may not fit all projects, requiring careful measurement. These screws are self-tapping, made from galvanized steel for corrosion resistance, and conform to DIN 7981 C and ISO 7049 standards.

All features

ColourSilver
Model Part Number827354
BrandTOOLCRAFT

Extended Product Information

FAQs

What type of metal are these screws best suited for?

These screws are ideal for thin gauge sheet metals, such as steel, aluminum, and brass. They can also fasten metal to plastic or soft woods.

Do I need to drill a pilot hole?

For most thin sheet metals, these are self-tapping and do not require a pilot hole. However, for harder metals, thicker materials, or to prevent buckling, drilling a pilot hole is recommended.

What is the difference between DIN 7981 C and ISO 7049?

Both standards specify similar types of pan-head thread-forming screws. DIN 7981 C is a German standard, while ISO 7049 is an international standard. They are largely interchangeable for this type of screw.

Can these screws be used outdoors?

Yes, the galvanized coating provides corrosion resistance suitable for many outdoor applications. However, prolonged exposure to harsh weather may eventually lead to rust.

What screwdriver size should I use?

For the 2.2mm diameter screw, a Phillips #1 (PH1) or Pozidriv #1 (PZ1) bit is typically the correct size.

How many screws are in a pack?

Each pack contains 100 screws.

What does 'raised head' mean for installation?

A raised head (also known as a pan head) sits slightly above the surface of the material once installed, providing a finished look and a bearing surface.

Troubleshooting

Screw not gripping or spinning freely

The material may be too hard, too thin, or the hole may be stripped. Try a screw in a new location, use a pilot hole, or consider a screw with a coarser thread or larger diameter if the material allows.

Phillips drive camming out (driver slips)

Ensure you are using the correct size Phillips bit (likely PH1 or PZ1). Apply firm downward pressure while turning. Check if the screw head or the driver bit is damaged.

Screw head breaks off during installation

You may have over-tightened the screw or driven it at an angle. Ensure the material is properly supported and drive screws straight. Avoid excessive force, especially with power tools on high torque settings.

Visible rust or corrosion

Galvanized coatings can wear over time or be damaged. For critical applications, consider using stainless steel screws or applying a protective sealant over the installed screws.

Pros and Cons

Pros

  • Durable galvanized steel construction for corrosion resistance.
  • Self-tapping feature simplifies installation.
  • Standard Phillips drive is widely compatible with tools.
  • Raised head provides a clean, finished appearance.
  • Conforms to recognized industry standards (DIN 7981 C, ISO 7049).

Cons

  • Specific size (2.2 x 6.5mm) may not be suitable for all applications.
  • Galvanization may be less durable than stainless steel in highly corrosive environments.
  • Raised head can be a snag point if a flush finish is required.
  • Self-tapping may require pilot holes in very hard or thick materials.

Setup, Compatibility & Care

Setup:

  1. Ensure the material is suitable for self-tapping screws. For harder materials or thicker gauges, a pilot hole may be beneficial.
  2. Select the appropriate Phillips head screwdriver or bit (PZ1 or PH1 often suitable for this size).
  3. Align the screw with the intended joining point.
  4. Drive the screw firmly until the head is seated as desired, avoiding over-tightening which can strip the threads.

Compatibility:

  • Materials: Primarily designed for sheet metal, but can be used in plastics and softwoods. Not recommended for hardwoods or dense materials without pilot holes.
  • Tools: Compatible with standard Phillips head screwdrivers and power drills/drivers.

Care:

  • Store screws in a dry environment to prevent premature corrosion of the galvanization.
  • If used outdoors, monitor for any signs of rust and consider applying a protective coating if long-term exposure is expected.

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