# 931-2 — Fastener standard equivalences: DIN to ISO / EN crossover

For 931-2, fastener description is M42 to M160x6 Hexagon Cap Screws partially threaded - product grade B; iso equivalent is 4014, verified against its source on 2026-08-12.

- **DIN standard:** 931-2 _(verified: appears in the quote below)_
- **Fastener description:** M42 to M160x6 Hexagon Cap Screws partially threaded - product grade B _(verified: appears in the quote below)_
- **ISO equivalent:** 4014 _(verified: appears in the quote below)_

## What the source says

> DIN 931-2 | ISO 4014 | BS3692 | M42 to M160x6 Hexagon Cap Screws partially threaded - product grade B |

## Source

- https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards

Last verified: 2026-08-12. Review by: 2028-08-11.
Part of [Fastener standard equivalences: DIN to ISO / EN crossover](https://referencesource.org/fastener-thread-standard-equivalence/).