10G x 25mm Gold Zinc Tek Screws - Self-Drilling for Steel
Searching for high-performance, cost-effective Hex Tek Screws in Australia? Our 10G x 25mm Gold Zinc-plated Tek screws are engineered for fast, secure self-drilling into steel sections, making them the ideal choice for greenhouse framing, internal construction, and general-purpose metalwork. Built for strength and efficiency, these screws offer reliable fastening for a wide range of projects where maximum corrosion resistance isn't critical.
Engineered with a sharp tek self-drilling point, these screws eliminate the need for pre-drilling, saving you significant time and effort on-site. The hex washer head design ensures strong torque transmission and easy installation using a standard 5/16" hex nutsetter, making them perfect for high-volume work. The distinctive gold zinc plating provides effective corrosion protection for indoor and sheltered outdoor environments, ensuring a long life and a clean, professional finish.
Best For
DIYers and professionals working on internal steel frames, greenhouse structures, sheds, and projects in low to moderate corrosion environments where value is key.
Key Features
- Self-Drilling Tek Point - The integrated drill point cuts through steel cleanly, eliminating the need for pre-drilling and speeding up installation on frames, purlins, and cladding.
- Hex Washer Head Design - The 5/16" hex head allows for strong, slip-free drive with a nutsetter, providing excellent torque control. The flanged underhead washer increases surface contact for secure clamping.
- Gold Zinc Plating - Offers a good level of corrosion resistance for internal applications, protecting against rust and providing a clean, aesthetic finish.
- Full Thread Design - Provides maximum grip and pull-out strength for a secure and vibration-resistant hold in steel applications.
- High-Strength Carbon Steel - Hardened for durability and reliable performance in a wide range of fastening tasks.
Product Specifications
- Quantity: 500
- Screw Gauge: 10G
- Length: 25mm
- Thread: Full Thread
- Shank Diameter: 4.8mm
- Head Diameter: 10.3mm
- Finish: Gold Zinc Plate
- Material: Carbon Steel
- Driver Type: 5/16" Hex (Nutsetter)
- Point Type: Tek Metal Self Drill
- Head Type: Hex Washer Head with Flange
Ideal Applications
- Greenhouse & Shade House Framing - Assembling frames, bracings, and supports in sheltered environments.
- Internal Wall & Ceiling Framing - Securing steel studs and tracks in commercial and residential interiors.
- Sheds & Workshops - General construction and repair of non-exposed steel structures.
- General Fabrication & DIY Projects - The perfect all-rounder for a multitude of indoor metal-to-metal fastening jobs.
- Furniture & Equipment Assembly - Building and repairing items that will be used in dry, internal conditions.
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!

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