Hobson did you know flyer
Slotted Countersunk Machine Screw, 316 Stainless DIN 963: Sizes (Did You Know)
Hobson's one-page "Did You Know" flyer for its metal thread countersunk slot screw (machine screw) in 316 stainless, to DIN 963 (part MS16CSM). It lists M3 to M8 with head size and length range, plus uses and features.
What this covers
- Sizes and head dimensions
- Applications
- Features
For Machine Screw.
Key things to remember
The essentials from this document in plain words. Check the full document before you rely on a figure.
- Countersunk slotted machine screw (metal thread), 316 stainless (A4), DIN 963, HEC marked.
- M3: 8 to 25mm long, M4: 8 to 50mm, M5: 10 to 70mm, M6: 10 to 70mm, M8: 12 to 60mm.
- Head diameter and height, for example M6: 10.57 to 11.00mm head, 3.00mm high; M8: 14.07 to 14.50mm head, 4.00mm high.
- For metal to metal fixing, often into pre-tapped holes in electronics and machinery, or with a nut in other jobs.
- A more precise thread with tighter tolerances than bolts, and a countersunk head for a flush finish.
- A slotted drive lets saltwater drain out. Phillips and internal hex drives can hold water, which can speed up oxidation and tea staining.
Who it helps: Marine, machinery and electrical installers choosing a stainless countersunk screw for tapped holes.
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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.