Screws - 10G x 25mm - Galv - Metal Tek - 500 Pack

10G x 25mm Class 4 Galvanised Tek Screws | AS3566 Compliant

Looking for reliable, high-performance Hex Tek Screws in Australia? Our 10G x 25mm Class 4 Galvanised Tek Screws are engineered for strength, exceptional corrosion resistance, and fast, hassle-free installation into steel sections. Trusted by builders, contractors, and landscapers nationwide, these self-drilling screws are the professional's top choice for securing greenhouse frames, purlins, arches, roofing, cladding, and a wide range of structural projects.

Designed to meet the stringent Australian Standard AS3566, these screws provide exceptional performance in harsh outdoor environments, including coastal and industrial areas. The Class 4 galvanised coating offers maximum corrosion protection, ensuring the longevity and integrity of your build. Each screw features a hex washer head for easy installation with a standard nutsetter, delivering excellent torque control with a reduced risk of cam-out.

Best For

Professionals and serious DIYers requiring AS3566 compliant, corrosion-resistant fasteners for critical metal-to-metal connections in outdoor and structural applications.

Key Features

• AS3566 Compliant - Manufactured to meet the stringent Australian Standard for self-drilling screws, guaranteeing quality and performance you can trust.
• Class 4 Galvanised Protection - Features a superior galvanised finish that provides maximum resistance to corrosion, making it ideal for harsh environments, including coastal areas.
• Self-Drilling Tek Point - The integrated drill point (6.2mm length) eliminates the need for pre-drilling, cutting through steel cleanly and efficiently for fast installation.
• Hex Washer Head Design - The 5/16" hex head allows for strong, slip-free drive with a nutsetter, while the bonded washer helps create a weather-tight seal.
• High-Strength Carbon Steel - Hardened for durability and a secure, vibration-resistant hold in steel applications.

Product Specifications

• Quantity: 500
• Screw Gauge: 10G
• Length: 25mm
• Thread Length: 18.8mm
• Drill Point Length: 6.2mm
• Shank Diameter: 4.8mm
• Head Diameter: 11mm
• Finish: Class 4 Galvanised
• Material: Hardened Carbon Steel
• Driver Type: 5/16" Hex (Nutsetter)
• Point Type: Tek Metal Self Drill
• Head Type: Hex Washer Head

Ideal Applications

• Greenhouse & Shade House Construction - Securing frames, purlins, arches, and bracings with a strong, reliable fix.
• Roofing & Wall Cladding - Fastening colourbond or galvanised steel sheeting to steel frames and purlins.
• Structural Steel Framing - Assembling sheds, garages, workshops, and industrial structures where a compliant fastener is required.
• Fencing & Railings - Building robust metal fences and gate frameworks designed to last.
• General Metal Fabrication - The go-to screw for any project involving light to medium gauge steel.

Oversized Item Delivery Options

Since oversized items require special handling, we may need to provide a custom freight quote for your order and will contact you with an updated shipping rate.

Available options include:

✔ Delivery to your closest depot for pickup - default method
✔ Direct delivery - requires forklift on site
✔ Direct delivery with tailgate lift truck (extra fees apply)
✔ Forklift loading at our warehouse (no extra charge if you arrange your own freight)
✔ Direct truck delivery (available in Victoria)

Important Notes:

• Shipping costs vary by location and method
• Because of the forklift requirement, delivery to the nearest depot is the default option and will be the method used unless you contact us to request otherwise.

Business Delivery:

• Business delivery is available for commercial customers only
• If you select business delivery and your products are bulky, it is your responsibility to ensure you have appropriate equipment (including forklifts) to unload products from the delivery truck
• If you select business delivery and you are not a business, you risk your product not being delivered and may incur additional fees to retrieve your order
• Business delivery customers must provide a valid business address and contact information
• Additional fees may apply for failed delivery attempts due to lack of appropriate unloading equipment

Let us know your preference, and we'll arrange the best solution for you!