ZINCALUME TEK HK 12-14 X 20 Bare Class 4®️ (Pack Of 50)
$11.64 box of 50nos. (Inc GST) Add to cart

ZINCALUME TEK HK 12-14 X 20 Bare Class 4®️ (Pack Of 50)

$11.64 box of 50nos. (Inc GST)

*Colours are for demonstration purposes only. Colours may not be a true representation of the physical product colour.

  • 30 days easy returns
  • Order yours before 2.30pm for same day dispatch
Guaranteed Safe Checkout

The COLORBOND TEK HK 12-14 x 20 Bare Class 4 Zincalume Steel Pack of 50 is a high-quality self-drilling screw designed for metal roofing and cladding applications. These screws feature a 12-gauge shank with a 14mm washer and are coated with a durable Zincalume finish to resist corrosion. With a Class 4 rating, these screws are ideal for use in coastal and industrial environments. The pack includes 50 screws, providing a convenient and cost-effective option for your roofing or cladding project.

Why COLORBOND® steel


With five layers of protection, COLORBOND® steel has been designed to endure our harsh Australian environment and provide long-lasting durability you can trust. Our high quality steel is coated in our industry leading enhanced corrosion-resistant Activate® technology*, then further enhanced with pre-treatment, primer and a baked-on topcoat.

Learn more about our testing and five layers of protection

*Activate® technology is not available for COLORBOND® steel products with a galvanised steel substrate.

Thermal comfort

COLORBOND® steel’s core colour range in the Classic and Matt finish features our specially designed Thermatech® solar reflectance technology. Thermatech® reflects more of the sun’s heat on hot, sunny days which may help increase your comfort while reducing your dependence on air conditioning*. Thermatech® is available in all core colours except Night Sky®.

Learn more

*Results will depend on roof colour, level and location of insulation, type and location of building shape and function.


To help create a more sustainable ‘circular economy’, every COLORBOND® steel product incorporates recycled material and the steel itself is 100% recyclable.
Moreover, COLORBOND® steel’s proven longevity keeps resources in use for longer, minimising its impact on the environment.

Learn more

Warranty backed by BlueScope

When you choose COLORBOND® steel, you’re also getting the support of BlueScope, one of Australia’s largest manufacturers. That’s why COLORBOND® steel’s renowned durability is backed up by some of the most robust building product warranties for eligible applicants.

Learn more

Make sure it's genuine

Over fifty years of Australian research and development has created a range of technologies that give genuine COLORBOND® steel its long lasting performance when subjected to some of the harshest Australian conditions. You can make sure you’re getting the genuine article by looking out for the COLORBOND® steel branding on the product, or its packaging.

Learn more