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.

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