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Hobson did you know flyer

Neptune A4-80 316 Stainless Hex Bolt, DIN 931 (Did You Know)

A one-page Hobson flyer for the Neptune high tensile stainless hex bolt in 316 stainless, grade A4-80, made to DIN 931. It gives the size and length ranges and the strength figures.

What this covers

  • Sizes and lengths
  • Thread lengths
  • Features
  • Applications

For Hex Bolts & Set Screws.

Key things to remember

The essentials from this document in plain words. Check the full document before you rely on a figure.

  • 316 stainless, grade A4-80, made to DIN 931. Part numbers start BH16NCM.
  • Cold formed to a minimum tensile strength of 800 MPa and a minimum yield strength of 600 MPa.
  • Sizes M6 to M36. Examples: M10 in lengths 35mm to 150mm, M12 45mm to 200mm, M16 50mm to 220mm.
  • The head is stamped A4-80, so the grade can be identified after installation.
  • For jobs that need both stainless and high strength: food and dairy, marine, water pipes and sewage treatment plants.

Who it helps: Engineers and fitters who need high tensile stainless bolts.

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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.
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