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        Schletter | Universal Purlin Screw 70mm | Sealing Washer Fitted

        The Schletter 900000-070 is a 70mm universal purlin screw for fixing solar mounting components to roof purlins. The 900000-070 is supplied with a sealing washer and is sold as a single unit rather than in a pack. It belongs to Schletter's universal screw range, used across the brand's roof mounting systems to fasten rail supports, roof clamps, and mounting feet to the structure below the roof sheet.

        Every fixing on a solar array passes wind uplift from the panels into the building structure. The screw landing into the purlin carries real load rather than simply holding a bracket in position. The 70mm length is selected against the roof sheet profile and purlin thickness, because embedment into the purlin determines the fixing's capacity.

        Each penetration through a roof sheet is a potential leak for the life of the array. The sealing washer compresses against the sheet to close that penetration, and Schletter's installation documentation limits tightening torque so the roof sheet is not deformed and thermal movement is not restrained. Buying as singles suits topping up a partly consumed box rather than committing to a full carton.

        Features

        • 70mm screw length — sized for purlin fixing through standard roof sheet profiles, with embedment into the purlin setting the fixing capacity.
        • Sealing washer fitted — compresses against the roof sheet to close the penetration made by the screw.
        • Schletter universal screw range — the fastener used across Schletter roof mounting systems for attaching supports and clamps to the structure.
        • Self-drilling — Schletter specifies the universal screw as self-drilling, so no pilot hole is required in the substrate.
        • Timber and steel substructures — Schletter's installation documentation covers both, subject to the screw embedment requirements for the substrate.
        • Sold as a single unit — ordered individually rather than by the carton, which suits making up a shortfall on a job.
        • Manufacturer-matched fastener — using the specified screw keeps the mounting system within the terms of Schletter's own installation guidance.
        • Tightening torque must be limited — Schletter's documentation caps torque to prevent deforming the roof sheet and restricting thermal expansion.
        • Length must suit the roof build-up — 70mm is one length in a range, and the correct length depends on sheet profile and purlin position.
        • Structural fixing, not a general fastener — the 900000-070 forms part of a load path and is specified by the mounting system design, not chosen by convenience.

        Where to use

        • Metal roof solar arrays — fixing rail supports, roof clamps, and mounting feet through the sheet into the purlin below.
        • Residential rooftop PV — the 900000-070 is the fastener specified where Schletter mounting components land on a purlin.
        • Commercial and shed roof installations — larger arrays on steel purlin structures where fixing count runs high.
        • Array extensions and additions — adding rows to an existing Schletter system with the fastener the system was designed around.
        • Repairs and refixing — replacing a screw during maintenance, service, or panel replacement work.
        • Topping up a part-used carton — single-unit ordering covers the shortfall when a job runs a few fixings short.

        The 900000-070 is a structural fixing and its suitability depends on the roof sheet profile, purlin material, and thickness on the specific job. Length selection and fixing layout follow the mounting system design and Schletter's installation documentation, not substitution by eye. Solar installation is licensed work and the array design, including its fixings, is the accredited installer's responsibility.

        (900000-070)

        The Schletter 900000-070 is used to fix solar mounting gear to roof purlins.

        Yes. It is designed for metal roof structures with purlins.

        Yes. It is designed for secure fixing of solar mounting components.

        Typically standard tools are used, but installers will choose the right equipment.

        Yes. It is used in both residential and commercial solar systems.

        Yes. Sparky Direct stocks Schletter 900000-070 with fast dispatch and delivery across Australia.

        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 Schletter
        SKU 900000-070
        Model # SCL900000-070
        Package Weight 0.010kg
        TYPE VALUE
        Type Screws
        Brand Schletter
        Length (mm) 70
        Washer Yes

        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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