Studbolts - Hot-Dip Galvanized - hex bolt


Studbolts are mainly used in the offshore and petrochemical industries.

* Stock of B7, B7M, L7, L7M, B16 (all self-coloured)
* Short delivery times for electrolytic zinc plated (+yellow passivated), hot dip galvanised and PTFE coatings
* Stock of B8-Cl.1 and 2, B8M-Cl.1 and 2, B8T

Stud bolts are delivered standard with two nuts and a 3.1 certificate. They are also required to be ‘marked’ with a quality indication and a manufacturer’s logo.

Standard: ANSI B16.5

Thread: UNC, 8UN, UNF, BSW, metric
(standard: < 1” = UNC, 1” = 8UNC, > 1” = 8UN )

Dimensions:     inch x inch (f.e. 5/8” x 3 1/2”)
inch x mm (f.e. 5/8” x 90)
metric x mm (f.e. M16 x 90)

Note: For inch diameters the length excludes the points and for metric diameters the length includes the end points.

There are not only many different dimensions; there are also many different qualities and types available. Examples of quality differences include studbolts made for high (f.e. A193/B7) and low (f.e. A320/L7)  temperatures or carbon steels and alloys. In addition, a considerable number of different certifications and tests are possible.

Besides studbolts, studbars (bolts with a length over 1000mm) can also be deliverd according to specificatios, qualities and sizes mentioned above.

Click to view the studbolts.