Hobson did you know flyer
Metal SDS Undercut Countersunk Screw, 410 Stainless (Did You Know)
A one-page Hobson flyer for an undercut countersunk self-drilling screw in 410 stainless steel with a Phillips drive. It lists the sizes and dimensions and explains why 410 stainless is used.
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.
- Martensitic 410 stainless is harder and stronger than 300 series stainless, so it drills light gauge steel directly without pre-drilling. Not suitable for coastal use.
- #8-18 in 12mm and 18mm (7.5mm head); #10-16 in 12mm, 18mm and 22mm (9mm head). All #2 Phillips drive.
- Example: T41MSDP1016018 is #10-16 x 18, 12mm thread length, 3.5mm drill point.
- Uses: window frames, medical and automotive.
Who it helps: Window and fabrication trades fixing thin steel flush.
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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.