Technical Information

A range of technical information is available to ensure you're using the right product and have the correct size for your job. The most handy guide is our Conversion Chart, which helps to convert imperial and metric sizing.  


Conversion Chart

Screw Drive Types Types of Screw Threads

Wall Chart

Screw Head Styles Protective Coating

Bolt Head Markings

Types of Screw Heads  


If you need additional Technical Information, please contact our Sales Team or 07 3277 7554