BS 4439:1969

What is BS 4439 - Screwed studs about?

BS 4439 specifies the dimensions and tolerances for screwed studs with ISO metric threads in diameters from 3 mm to 39 mm inclusive, intended for general purposes. Mechanical properties are given only in respect of carbon or alloy steel screwed studs which are not to be used for special applications, such as those requiring weldability or corrosion resistance. BS 4439 applies to non-ferrous and stainless-steel screwed studs.

Who is BS 4439 - Screwed studs for?

BS 4439 on screwed studs is useful for:

Manufacturers and suppliers of screwed studs

Manufacturing industries Construction industries Design engineers