Fastener sizes read as thread and length
1.7.3A bolt asked for as M10 x 40 is read as an M10 thread 40 mm long, so it matches your catalogue the way you list it.
Updated 28 September 2026
28 September 2026.
- A fastener written as one size, such as M10 x 40 or M10 x 1.5 x 40, is read as the thread and the length separately, the way catalogues hold them.
- A thread with only its pitch, such as M8 x 1.25, stays as written.