Oxide Red 13mm × 4.2mm Powder Coated Wafer Head Self Drilling Screws
Description
Our powder coated 13mm × 4.2mm wafer head self drilling screws are the shortest fixing in the range, built for stitching drywall and ceiling track systems and thin sheet metal where the total material is minimal. Most of the shank is self-drilling point with a short, fast-engaging thread, so they bite two thin layers of steel and pull flush without excess length behind the fixing. Engineered for professional trade use, these screws deliver clean penetration and a discreet, flush finished appearance, all without the need for pre-drilling.
The integrated self-drilling point is capable of penetrating steel up to 3.0mm, making this size ideal for stitching track, thin sheet and folded steel. At 13mm it is the lowest-profile screw in the range, with a short thread that engages quickly in thin steel and leaves the least possible protrusion behind the substrate. The 4.2mm diameter gives dependable clamping power in tight spaces where a longer screw would simply be in the way.
The wafer low-profile head distributes load across a wider surface area than traditional pan or countersunk heads, reducing the risk of pull-through on thin materials and helping the fixing sit flatter against the finished surface. This makes the 13mm wafer head self driller a go-to choice for signage systems, hoarding panels, framing, ducting, cable containment and light cladding applications where appearance and performance matter equally.
All screws are powder coated to order in any RAL Classic colour, allowing installers, fabricators and contractors to colour-match fixings to panels, trims, graphics or corporate branding, delivering a cleaner, more professional finished installation.
RAL 3009 Oxide Red is an earthy, industrial red often used in construction and exterior metalwork. It’s a great match for 13mm wafer head self-drillers on cladding and sheet metal where a practical, blended fixing is required.
Specification
- Length: 13mm
- Thread Diameter: 4.2mm
- Head Type: Wafer low-profile head for wide load spread and neat finish
- Drive: Phillips PH2 recess
- Tip Type: Self drilling point – no pilot hole required
- Material: Carbon steel with Bright Zinc Plated base coating
- Finish: Powder coated to any RAL Classic colour; UV, scratch, weather & rust resistant; colourfast and durable
These 13mm powder coated wafer head self drilling screws are widely used by signage installers, hoarding contractors, steel framers, shop fitters, M&E installers and fabricators who require a dependable fixing for light-to-medium duty applications where aesthetics are still important.
Compared to the longer 16mm and 19mm fixings, the 13mm is the shortest stitching screw in the range – the flattest profile and the least protrusion behind the substrate, built for drywall and ceiling track systems and thin sheet stitching where every millimetre of clearance behind the steel counts. The 4.2mm diameter drives quickly with minimal material stress, giving clean results in thin substrates and tight spaces.
Our precision powder-coating process fuses colour at high temperature, producing a hard-wearing, corrosion-resistant finish that stands up to outdoor exposure, repeated handling and long-term use on site.
Frequently asked questions
What are 13mm wafer head self drilling screws used for?
They’re the shortest stitching length in the range, made for joining drywall and ceiling track, stitching metal stud to track, and fixing thin sheet metal and ductwork where a flush, low-profile head and the absolute minimum of protrusion behind the steel are essential. With a short thread and long drill point, they’re purpose-built for thin, tight assemblies rather than any real build-up.
What materials can these screws penetrate?
The self-drilling point is designed to drill and tap steel up to 3.0mm thick, as well as aluminium and other light-gauge metals, without the need for a pilot hole.
When should I use 13mm rather than a longer wafer head?
Choose 13mm when you’re stitching the thinnest track or sheet and want the shortest, flattest fixing possible – two thin layers of steel with nothing behind them. Because most of the length is drill point with only a short thread, step up to 16mm or 19mm as soon as there’s material build-up, insulation backing or a deeper section to bite into. The 4.2mm diameter drives quicker with less material stress than heavier 4.8mm screws.
Can I choose a specific RAL colour?
Yes. We powder coat these screws to any RAL Classic colour, with fast turnaround and bulk discounts available for trade and large-scale projects.
Powder coated screws
Here at RALfixings, we believe it’s the small details that elevate a professional installation. That’s why we powder coat all our coloured wafer head screws in-house to exact RAL specifications.
Powder coating involves electrostatically applying coloured powder to the fixing before curing it at high temperature, creating a tough, uniform finish that outperforms traditional painted coatings. The result is a durable, colourfast surface designed to withstand site handling and long-term exposure.
Benefits of powder coated self drilling screws:
- Scratch resistant
- Rust resistant
- UV resistant
- Weather resistant
- Colourfast
Oxide Red 13mm × 4.2mm Powder Coated Wafer Head Self Drilling Screws
Description
Our powder coated 13mm × 4.2mm wafer head self drilling screws are the shortest fixing in the range, built for stitching drywall and ceiling track systems and thin sheet metal where the total material is minimal. Most of the shank is self-drilling point with a short, fast-engaging thread, so they bite two thin layers of steel and pull flush without excess length behind the fixing. Engineered for professional trade use, these screws deliver clean penetration and a discreet, flush finished appearance, all without the need for pre-drilling.
The integrated self-drilling point is capable of penetrating steel up to 3.0mm, making this size ideal for stitching track, thin sheet and folded steel. At 13mm it is the lowest-profile screw in the range, with a short thread that engages quickly in thin steel and leaves the least possible protrusion behind the substrate. The 4.2mm diameter gives dependable clamping power in tight spaces where a longer screw would simply be in the way.
The wafer low-profile head distributes load across a wider surface area than traditional pan or countersunk heads, reducing the risk of pull-through on thin materials and helping the fixing sit flatter against the finished surface. This makes the 13mm wafer head self driller a go-to choice for signage systems, hoarding panels, framing, ducting, cable containment and light cladding applications where appearance and performance matter equally.
All screws are powder coated to order in any RAL Classic colour, allowing installers, fabricators and contractors to colour-match fixings to panels, trims, graphics or corporate branding, delivering a cleaner, more professional finished installation.
RAL 3009 Oxide Red is an earthy, industrial red often used in construction and exterior metalwork. It’s a great match for 13mm wafer head self-drillers on cladding and sheet metal where a practical, blended fixing is required.
Specification
- Length: 13mm
- Thread Diameter: 4.2mm
- Head Type: Wafer low-profile head for wide load spread and neat finish
- Drive: Phillips PH2 recess
- Tip Type: Self drilling point – no pilot hole required
- Material: Carbon steel with Bright Zinc Plated base coating
- Finish: Powder coated to any RAL Classic colour; UV, scratch, weather & rust resistant; colourfast and durable
These 13mm powder coated wafer head self drilling screws are widely used by signage installers, hoarding contractors, steel framers, shop fitters, M&E installers and fabricators who require a dependable fixing for light-to-medium duty applications where aesthetics are still important.
Compared to the longer 16mm and 19mm fixings, the 13mm is the shortest stitching screw in the range – the flattest profile and the least protrusion behind the substrate, built for drywall and ceiling track systems and thin sheet stitching where every millimetre of clearance behind the steel counts. The 4.2mm diameter drives quickly with minimal material stress, giving clean results in thin substrates and tight spaces.
Our precision powder-coating process fuses colour at high temperature, producing a hard-wearing, corrosion-resistant finish that stands up to outdoor exposure, repeated handling and long-term use on site.
Frequently asked questions
What are 13mm wafer head self drilling screws used for?
They’re the shortest stitching length in the range, made for joining drywall and ceiling track, stitching metal stud to track, and fixing thin sheet metal and ductwork where a flush, low-profile head and the absolute minimum of protrusion behind the steel are essential. With a short thread and long drill point, they’re purpose-built for thin, tight assemblies rather than any real build-up.
What materials can these screws penetrate?
The self-drilling point is designed to drill and tap steel up to 3.0mm thick, as well as aluminium and other light-gauge metals, without the need for a pilot hole.
When should I use 13mm rather than a longer wafer head?
Choose 13mm when you’re stitching the thinnest track or sheet and want the shortest, flattest fixing possible – two thin layers of steel with nothing behind them. Because most of the length is drill point with only a short thread, step up to 16mm or 19mm as soon as there’s material build-up, insulation backing or a deeper section to bite into. The 4.2mm diameter drives quicker with less material stress than heavier 4.8mm screws.
Can I choose a specific RAL colour?
Yes. We powder coat these screws to any RAL Classic colour, with fast turnaround and bulk discounts available for trade and large-scale projects.
Powder coated screws
Here at RALfixings, we believe it’s the small details that elevate a professional installation. That’s why we powder coat all our coloured wafer head screws in-house to exact RAL specifications.
Powder coating involves electrostatically applying coloured powder to the fixing before curing it at high temperature, creating a tough, uniform finish that outperforms traditional painted coatings. The result is a durable, colourfast surface designed to withstand site handling and long-term exposure.
Benefits of powder coated self drilling screws:
- Scratch resistant
- Rust resistant
- UV resistant
- Weather resistant
- Colourfast
Delivery & Shipping Terms
1. Where We Deliver
We currently ship to addresses within the United Kingdom only.
If you require delivery outside the UK, this must be arranged in advance. Where international delivery is agreed:
- You are fully responsible for all import duties, taxes, and customs charges, including any fees for customs paperwork.
- RALfixings accepts no liability for customs delays or additional costs associated with international shipments.
2. Delivery Timescales
Our products fall into two categories: in-stock and made-to-order (bespoke) items.
In-Stock Items
- Usually dispatched within 1–2 working days.
- Delivery typically takes 1–3 working days from the dispatch date.
Powder Coated / Made-to-Order Items
- Typically dispatched within 3–5 working days, but may take up to 10 working days during busy periods.
- Delivery typically takes 1–3 working days after dispatch.
All quoted times are estimates, not guarantees. Delivery times may be affected by stock availability, courier performance, weather, or other factors beyond our control.
3. Shipping Costs
- Shipping charges are based on order weight and destination.
- The exact shipping cost will be shown at checkout before payment.
- Additional shipping charges may apply to remote areas or multiple consignments.
4. Tracking and Responsibility
All orders are shipped via tracked courier services to ensure maximum security and visibility.
Once your order has been dispatched:
- You will receive an order dispatch email letting you know your order is on it's way, and another email from Royal Mail or the chosen courier with your tracking information. If you have supplied a UK phone number you may also recieve a tracking text from Royal Mail or the chosen courier.
- Responsibility for the goods passes to you upon dispatch.
- RALfixings is not liable for loss or damage in transit. Please contact the courier directly with your tracking number if issues arise.
5. Missed Deliveries or Delays
If your parcel cannot be delivered and is returned to us:
- We can resend it, but an additional delivery charge will apply.
- We are not responsible for courier delays or failed delivery attempts.
If your order hasn’t arrived within the estimated delivery window, please contact us as soon as possible at info@ralfixings.com.
Order Amendments & Cancellations
Changing an Order
We begin preparing orders quickly — especially made-to-order items.
- If you need to amend your order, please contact us within 24 hours or as soon as possible.
- After this period, it may be too late to make changes as your order may already be in production or dispatched.
- If you wish to add items, and your order hasn’t yet shipped, we may be able to combine them. Otherwise, a new order (and delivery charge) will apply.
Returns & Refunds
1. Your Right to Cancel – B2C Customers Only
Under the Consumer Contracts Regulations 2013, B2C customers have the right to cancel certain purchases made online within 14 days of delivery.
However, this does not apply to:
- Bespoke or made-to-order goods — including all powder coated screws and fixings manufactured specifically for your order.
If your order includes stocked items only, you may cancel and return those goods within 14 days of receipt. You must:
- Inform us in writing via email within 14 days.
- Return the goods at your own cost, in their original condition and packaging.
- Ensure the items are received by us within 30 days of delivery.
We recommend using a tracked and insured delivery service for any returns, as we are not responsible for items lost or damaged in return transit.
2. Faulty or Incorrect Items
If you receive goods that are:
- Faulty, or
- Incorrectly supplied (e.g. wrong size, colour, or product)
Please notify us within 30 days of receiving the goods.
We will:
- Replace the items where possible, or
- Issue a refund if replacement is not appropriate.
You may be asked to return the faulty items for inspection before a refund or exchange is processed.
Once screws have been installed or used, they cannot be returned or refunded, unless faulty.
3. Refund Processing
- Refunds (where applicable) are processed within 5 working days of receiving the returned items.
- Refunds are only issued to the original payment method.
- Refunds cannot be made to a different card or by other means.
- Delivery charges are non-refundable unless your entire order was cancelled before dispatch or the goods were faulty or incorrect.
Returns Address
To return items, please send them to:
FAO: Jon Lett
RALfixings Ltd
26a Queens Road
Knaphill
Surrey
GU212DX
B2B Orders & Restocking Fee
The rights described above apply primarily to consumers (B2C). If you are a business customer (B2B), statutory cancellation rights under the Consumer Contracts Regulations do not apply.
Returns from business customers are accepted at our sole discretion, and only if agreed in writing before the goods are returned.
All authorised B2B returns are subject to a 15% restocking fee, which will be deducted from the final refund amount. This fee covers the cost of inspection, repackaging, and administrative processing.
Returned goods must be:
- In resaleable, unused condition
- In their original packaging
- Returned at the buyer’s expense via a tracked delivery service
We do not accept returns of any bespoke or made-to-order products under any circumstances unless the item is faulty.
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Oxide Red 13mm × 4.2mm Powder Coated Wafer Head Self Drilling Screws
Description
Our powder coated 13mm × 4.2mm wafer head self drilling screws are the shortest fixing in the range, built for stitching drywall and ceiling track systems and thin sheet metal where the total material is minimal. Most of the shank is self-drilling point with a short, fast-engaging thread, so they bite two thin layers of steel and pull flush without excess length behind the fixing. Engineered for professional trade use, these screws deliver clean penetration and a discreet, flush finished appearance, all without the need for pre-drilling.
The integrated self-drilling point is capable of penetrating steel up to 3.0mm, making this size ideal for stitching track, thin sheet and folded steel. At 13mm it is the lowest-profile screw in the range, with a short thread that engages quickly in thin steel and leaves the least possible protrusion behind the substrate. The 4.2mm diameter gives dependable clamping power in tight spaces where a longer screw would simply be in the way.
The wafer low-profile head distributes load across a wider surface area than traditional pan or countersunk heads, reducing the risk of pull-through on thin materials and helping the fixing sit flatter against the finished surface. This makes the 13mm wafer head self driller a go-to choice for signage systems, hoarding panels, framing, ducting, cable containment and light cladding applications where appearance and performance matter equally.
All screws are powder coated to order in any RAL Classic colour, allowing installers, fabricators and contractors to colour-match fixings to panels, trims, graphics or corporate branding, delivering a cleaner, more professional finished installation.
RAL 3009 Oxide Red is an earthy, industrial red often used in construction and exterior metalwork. It’s a great match for 13mm wafer head self-drillers on cladding and sheet metal where a practical, blended fixing is required.
Specification
- Length: 13mm
- Thread Diameter: 4.2mm
- Head Type: Wafer low-profile head for wide load spread and neat finish
- Drive: Phillips PH2 recess
- Tip Type: Self drilling point – no pilot hole required
- Material: Carbon steel with Bright Zinc Plated base coating
- Finish: Powder coated to any RAL Classic colour; UV, scratch, weather & rust resistant; colourfast and durable
These 13mm powder coated wafer head self drilling screws are widely used by signage installers, hoarding contractors, steel framers, shop fitters, M&E installers and fabricators who require a dependable fixing for light-to-medium duty applications where aesthetics are still important.
Compared to the longer 16mm and 19mm fixings, the 13mm is the shortest stitching screw in the range – the flattest profile and the least protrusion behind the substrate, built for drywall and ceiling track systems and thin sheet stitching where every millimetre of clearance behind the steel counts. The 4.2mm diameter drives quickly with minimal material stress, giving clean results in thin substrates and tight spaces.
Our precision powder-coating process fuses colour at high temperature, producing a hard-wearing, corrosion-resistant finish that stands up to outdoor exposure, repeated handling and long-term use on site.
Frequently asked questions
What are 13mm wafer head self drilling screws used for?
They’re the shortest stitching length in the range, made for joining drywall and ceiling track, stitching metal stud to track, and fixing thin sheet metal and ductwork where a flush, low-profile head and the absolute minimum of protrusion behind the steel are essential. With a short thread and long drill point, they’re purpose-built for thin, tight assemblies rather than any real build-up.
What materials can these screws penetrate?
The self-drilling point is designed to drill and tap steel up to 3.0mm thick, as well as aluminium and other light-gauge metals, without the need for a pilot hole.
When should I use 13mm rather than a longer wafer head?
Choose 13mm when you’re stitching the thinnest track or sheet and want the shortest, flattest fixing possible – two thin layers of steel with nothing behind them. Because most of the length is drill point with only a short thread, step up to 16mm or 19mm as soon as there’s material build-up, insulation backing or a deeper section to bite into. The 4.2mm diameter drives quicker with less material stress than heavier 4.8mm screws.
Can I choose a specific RAL colour?
Yes. We powder coat these screws to any RAL Classic colour, with fast turnaround and bulk discounts available for trade and large-scale projects.
Powder coated screws
Here at RALfixings, we believe it’s the small details that elevate a professional installation. That’s why we powder coat all our coloured wafer head screws in-house to exact RAL specifications.
Powder coating involves electrostatically applying coloured powder to the fixing before curing it at high temperature, creating a tough, uniform finish that outperforms traditional painted coatings. The result is a durable, colourfast surface designed to withstand site handling and long-term exposure.
Benefits of powder coated self drilling screws:
- Scratch resistant
- Rust resistant
- UV resistant
- Weather resistant
- Colourfast
Recommended applications
The shortest fixing in the wafer range, engineered for stitching light-gauge metal track and thin sheet metal without pre-drilling. Most of the shank is self-drilling point with a short, fast-engaging thread, so it is purpose-built for joining thin, tight assemblies rather than any real material build-up. The point cuts its own hole through steel up to 3.0mm, while the wide, low-profile wafer head spreads clamping load and sits flush so it will not foul boards, panels or moving parts fitted over it.
Widely used by drylining and partition contractors for joining metal stud to track before boarding, and by signage and fit-out teams fixing panels directly to steel subframes. Drive with a variable-speed driver and a PH2 bit; let the drill point do the work and avoid overdriving, which can strip the thread in thin gauge steel.
For fixing into timber or pre-drilled substrates where a drill point is not required, see the wafer head self-tapping range.
Suitable for
In Stock
| Bulk Discount | ||
|---|---|---|
| 200+ | ||
| 500+ | ||
| 1000+ | ||
| 2000+ | ||
| 5000+ | ||
