Studs

Stud bolts – standard and custom designs directly from the specialist

Whether you need, for example, a stud bolt M12 DIN 939, a stud bolt M30 DIN 835 or a complete set of threaded bolts – with us you will receive high-quality fasteners in a large selection.

Our fasteners impress with accuracy, strength and tested quality.

Stud bolts from ASO Schrauben in detail

We offer you a wide range of stud bolts with various thread and standard designs.

Stud bolts according to DIN

We supply stud bolts DIN-compliant in various designs:

DIN 939 stud bolt – screw-in end 1.25 times the nominal diameter
DIN 938 stud bolt – screw-in end = nominal diameter
DIN 940 stud bolt – screw-in end = 2.5 x d
DIN 835 stud bolt – screw-in end twice the nominal diameter

Thanks to clearly defined dimensions, tolerances and materials, these standard parts guarantee maximum compatibility with your industrial requirements.

Stud bolts according to individual requirements

In addition to standard versions, we also offer:

Double ends for special applications
Double-ended screws for double-sided screw connection in various special lengths
Custom designs according to drawing or technical specification

Size overview – stud bolts metric from M6 to M120

Whenever dimensional accuracy, torque resistance and ease of maintenance are important, you can rely on ASO Schrauben. In our range you will find a large selection of metric stud bolts. All sizes are available in different lengths, thread lengths and materials.

Planning reliability

We guarantee that delivery dates will be met according to the order confirmation, so that you can implement your projects reliably and without delays.

Flexibility

Our offer and service include express service, short-term changes to ongoing orders, and fast delivery times even during peak periods.

Experience

Our many years of experience enable the reliable and individual production of connecting parts – even in very small quantities.

Tested Quality

We use certified EU pre-material with certificate allocation, so that you can rely on tested quality and maximum safety.

Stud bolts manufactured according to drawing

Screw diversity with technical precision.

We manufacture special stud bolts exactly according to drawing – tailored to your technical requirements. Deviating thread lengths, special shaft shapes, special tolerances or exceptional materials are daily practice for us. Our modern production enables precise implementation of even complex geometries, from individual pieces to series production. This results in individual fasteners that fit exactly to your application.

Materials & surfaces for the highest requirements of the stud bolt

The selection of the right material is crucial for the performance and service life of a stud bolt. Depending on the application, different metallic materials are used. Our stud bolts are available in various materials and coatings:

Steel plain / galvanized – cost-efficient & proven, galvanically galvanized, burnished or phosphated

Stainless steel A2 (V2A) / A4 (V4A) – for particularly humid, salty or aggressive environments

Special materials – e.g. heat-resistant steels or duplex steels

and many other variants!

You can find an overview of all available materials on our separate material page

Specialist for special fasteners in pressure equipment construction

We offer you reliability in safety-critical applications.

A particular focus of ASO Schrauben is, among other things, the production of special fasteners for pressure equipment. Our connecting elements are used wherever maximum safety, material quality and manufacturing precision are required – for example in pressure vessels, flange connections, heat exchangers, valves or steam systems, in turbine construction and in classic mechanical engineering.

Thanks to many years of experience and modern manufacturing technologies, we produce screws according to drawings or special standard specifications – even from a quantity of 1!

Our production meets the strict requirements of the Pressure Equipment Directive (PED 2014/68/EU) and relevant regulations such as AD 2000-Merkblatt W0. The corresponding certificates (e.g. 3.1 / 3.2 according to EN 10204) document the quality and traceability of our products – a clear added value for safety-critical applications.

Advantages of a stud bolt from ASO Schrauben

Good to know: Stud bolts in detail

Stud bolts, also known as headless screws, screw bolts, threaded bolts or anchor bolts, are versatile and heavy-duty fasteners that are used in almost all industries. They enable fixed and detachable connections between two components, as required in mechanical engineering or process engineering. Stud bolts have two external threads (also double threads), which are either of the same or different lengths – depending on the design in accordance with the applicable DIN standards.

We manufacture everything for you - whether according to European or international standard!

Our special fasteners are used where standard solutions do not fit – for example, at high pressure, extreme temperatures, or aggressive media. Special fasteners made of special TÜV-tested pre-material are often the only solution in the industry for reliably implementing complex, safety-relevant applications. Sonderschrauben aus speziellen TÜV geprüften Vormaterial sind in der Branche oft die einzige Lösung, um komplexe, sicherheitsrelevante Anwendungen zuverlässig zu realisieren.

At ASO Schrauben, the perfect connection is our focus – not only technically, but also in cooperation with our customers. With individual solutions and high quality, we support your projects precisely.

Mathias Koll

Managing Director ASO Schrauben

Areas of application of our stud bolts and their advantages

The typical use of stud bolts can be found where components have to be regularly assembled and disassembled – for example in flange connections, cylinder heads, turbochargers, pump housings or pressure vessels. By firmly screwing into the first component, a resilient, centrally aligned and permanently durable connecting element is created.

Stud bolts application - Your advantages:

Our other types of fasteners

Special fasteners and special screws can be made in very different designs and functional types. Our common types of screws include expansion bolts and threaded rods, which are often used in pressure equipment or flange connections. Other variants are hexagon screws, socket head cap srews, eye bolts or special screws with special thread forms. The combination of different head shapes, thread types and materials creates highly specialized fasteners that are exactly tailored to your requirements.

Strong Connections since 1948

As a manufacturer of special fasteners and connecting parts according to standards, we manufacture precisely, certified and according to your individual specifications

Request now without obligation