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        Matelec | Hex Head Drill Point Roofing Screw 12G x 55mm | Seal Fitted

        The Matelec HXD-G12M55-GS is a hex head drill point roofing screw, 12 gauge by 55mm, fitted with a seal and supplied 100 to a jar. The head takes a 5/16 inch hex socket driver, and the drill point cuts its own hole as the screw drives. The HXD-G12M55-GS is made from mechanically galvanised steel.

        A roofing fixing has to close the hole it makes. The fitted seal on the HXD-G12M55-GS sits under the hex head and compresses against the sheet as the screw seats. The drill point cuts and threads in the one pass, so the sheet is fixed without a pilot hole.

        Every hex head screw in the Matelec fastener range drives with the same 5/16 inch socket, so one driver covers the group. The HXD-G12M55-GS is the longest code in that group at 55mm, and the only one that carries a seal. The finish is mechanically galvanised steel.

        Features

        • Seal fitted — the screw is supplied with a seal under the head, which is what separates it from the unsealed codes in the range.
        • Drill point tip — the point drills its own hole and threads in one action, with no separate pilot drilling step.
        • 5/16 inch hex head — driven with a 5/16 inch hex socket driver or nut driver rather than a bladed or square bit.
        • 12 gauge shank — the HXD-G12M55-GS runs a 12 gauge shank, the heavier of the two gauges in the hex head drill point group.
        • 55mm length — the HXD-G12M55-GS measures 55mm under the head, the longest code in that group.
        • Mechanically galvanised, not stainless — the screw is mechanically galvanised steel, so it is not a 316 stainless fixing.
        • 100 piece jar — supplied in a 100 piece jar rather than the 200 piece jars used on the shorter codes.
        • 16 jars per carton — the carton quantity is 16 jars.

        Where to use

        • Roof sheet fixing — the seal makes the HXD-G12M55-GS a roofing screw, for fixing sheet where the hole has to be closed.
        • Wall cladding — the drill point suits cladding work, where drilling and fixing happen in the one pass.
        • Heavier metal fixings — the 12 gauge shank carries fixings into light steel section and the brackets fixed to it.
        • Thicker assemblies — the 55mm length reaches through built-up sheet and batten work that the shorter codes cannot.

        The HXD-G12M55-GS is mechanically galvanised steel and is not 316 stainless, so it is not the fixing to specify where a stainless grade is required. The point is cut for metal rather than for timber framing.

        (HXD-G12M55-GS)

        A hex head drill point roofing screw, 12 gauge by 55mm, fitted with a seal and sold in a 100 piece jar. It drills its own hole as it drives, and the seal closes the hole against the sheet. The screw is mechanically galvanised steel.

        It closes the fixing. The seal sits under the hex head and compresses as the screw seats, closing the hole the drill point made so the sheet is not left open at the fixing.

        No. The drill point cuts its own hole as the screw drives, which is the difference between a drill point and a needle point screw.

        A 5/16 inch hex socket driver or nut driver. There is no bladed, square or star recess in the head, so a standard screwdriver bit will not hold it.

        Mechanically galvanised steel. The Matelec fastener range runs three materials: passivated zinc plated steel, mechanically galvanised steel and 316 stainless steel. This screw is the galvanised one.

        There are 100 screws per jar.

        The Matelec HXD-G12M55-GS is available online from Sparky Direct, with Australia-wide delivery to any state or territory including regional areas. Sparky Direct is an Australian electrical wholesaler established in 2005, supplying more than 500,000 customers with transparent trade pricing.

        100-Day Fuss-Free Returns
        We want you to love what you buy—but if you change your mind, that’s okay too. That’s why Sparky Direct offers a 100-day money-back guarantee.

        • Items must be unused, with all parts, accessories, and original packaging.
        • We can’t accept returns if the product is damaged, incomplete, or not in resalable condition.
        • Proof of purchase is required.
        • Return shipping is the responsibility of the customer. 

        If your item isn’t in its original condition, please contact us before returning it—we might save you time and money.

        All products come with a manufacturer’s or supplier’s warranty

        • Warranty starts from the Invoice Date
        • Some suppliers offer in-home warranties and handle claims directly, so you won’t need to uninstall or return the product. Chat with us to check if your product qualifies.
        • Sparky Direct isn’t responsible for losses caused by product failure.
        • Warranties are void if products aren’t installed by a licensed electrician.

        Damaged or Faulty Goods
        If your order arrives damaged or is faulty, let us know within 24 hours.

        • Sparky Direct will pay for return shipping via an emailed return label.
        • If the fault is confirmed, we will send you a replacement item or provide a refund.

        Contact us via our chat to arrange the return.

        Exclusions
        We can’t accept returns for:

        • Items that have been installed, modified, or used
        • Clearance, End of life, Discontinued, or special order items (unless faulty)
        • All PPE Items
        • Goods returned without original packaging or proof of purchase

        How to Request a Return

        1. Contact our customer service team with your order number.
        2. Confirm it’s eligible under our return or warranty policy.
        3. Pack the item securely and return it using a trackable service.
        4. Once we receive and inspect it, we’ll process your refund or replacement.

        Warranty starts from Invoice Date

        Domestic Use: 1 Year
        Commercial Use: 1 Year
        Warranty Method: Return to Sparky Direct

        These specifications and characteristics outline physical, mechanical, electrical details.

        Brand Matelec
        SKU HXD-G12M55-GS
        Model # HXD-G12M55/GS
        Barcode # 9338999009348
        Package Weight 1.022kg
        View Datasheet
        TYPE VALUE
        Type Screws
        Brand Matelec
        Screw Gauge 12
        Screw Type Drill Point
        Screws (Qty) 100
        Screw Size Length (mm) 55
        Hex Head 5/16"

        Electrical and HVAC products sold by Sparky Direct are intended for installation by licensed and appropriately qualified professionals in accordance with applicable Australian Standards and regulatory requirements. Customers are responsible for ensuring that any product purchased, including any related or associated components, is compatible and suitable for their intended installation and application.

        Sparky Direct does not provide installation advice and does not assess product suitability for individual circumstances unless expressly confirmed in writing. Customers must confirm correct product selection, compatibility, compliance, and suitability with a licensed or appropriately qualified professional prior to purchase.

        Tools sold by Sparky Direct must be used safely and in accordance with the manufacturer’s instructions. Customers are responsible for ensuring they have the necessary knowledge and competence to operate any tool purchased. If you are unsure how to safely or correctly use a tool, do not use it and seek guidance from the manufacturer or a suitably qualified professional.

        Nothing in this clause limits or excludes any rights or guarantees available under the Australian Consumer Law.

        For website terms and conditions https://www.sparkydirect.com.au/terms-of-use

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