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Standort Witten
Standort Gevelsberg
Standort Dachau

We are a leading global supplier of stud welding technology and refractory anchoring systems. Since the founding in October 1980, the name AS Schöler + Bolte has been synonymous with quality, reliability and product knowledge as well as flexibility and customer proximity. As a medium sized family owned company, we act quickly and directly, while we always have the satisfaction of our customers in mind. At five locations, our 85 employees are engaged in the development and design, manufacture, distribution and service of high quality products for all industries.

As a system supplier, we supply everything from a single source – welding studs, stud welding units and systems, as well as the necessary accessories – thus guaranteeing perfect quality of stud welded joints. Our team sets standards by developing innovative products and solutions with exemplary value for money. Of course, we are certified according to DIN EN ISO 9001 (initial certification: October 1998).

Through an extensive network of qualified consultants and experienced distribution partners, we are always close to our customers. We consult on all aspects of stud welding and distinguish ourselves through fast, uncomplicated and customer-oriented service.

We export our products and services to over 50 countries, mainly with local distribution and service partners.

According to our two main services, the company is divided into two divisions stud welding systems and refractory anchoring systems.



Gewerkenstraße 1
D-58456 Witten

Headquarters and administration

Sales and logistics – Refractory anchoring systems division


Flurstraße 25
D-58285 Gevelsberg

Sales and logistics – Stud welding systems division


Ohmstraße 3
D-85221 Dachau

Production of stud welding units, guns and systems, automatic components and accessories under the brand name BTH Tech

Video company presentation