Hobson did you know flyer
Metal SDS Countersunk Screw, Class 3 Square Drive (Did You Know)
A one-page Hobson flyer for a countersunk self-drilling screw with a class 3 coating to AS 3566 and a square drive. It lists the sizes, dimensions and the steel thickness each thread suits.
What this covers
- Sizes and dimensions
- Applications
- Features
Key things to remember
The essentials from this document in plain words. Check the full document before you rely on a figure.
- Class 3 coating to AS 3566, suitable for outdoor use in C3 environments. Square drive for improved torque.
- #10-16 in 100mm and 125mm lengths; #10-24 in 30mm, 40mm, 50mm and 65mm.
- #10-16 is for steel up to 3.5mm thick; #10-24 is for steel up to 4.5mm thick.
- Every size has a 9mm head, 4mm head height, 6.5mm drill point and a #2 square drive.
- Uses: sheds, signage, gates and fences, wall cladding, and hinges into metal posts.
Who it helps: Builders fixing flush into steel outdoors.
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This document is published by Hobson Engineering, who supply this range to us. We show it here in full so you can read it next to the product; the summary above is ours. Read it on this page or download the PDF. For the most current version, ask us.