What Schuster GmbH Sonderschrauben does

Schuster GmbH Sonderschrauben is a privately held German manufacturer of custom specialty fasteners (Sonderschrauben) and connecting elements, founded in 1971 and headquartered in Brachbach, Germany with a secondary engineering and digital services site in Siegen. The company produces expansion bolts (Dehnschrauben), stud bolts (Stiftschrauben), capsule nuts (Kapselmuttern), expansion sleeves (Dehnhülsen), washers, and screw bolts compliant with DIN 2510, DIN EN ISO, and ANSI/ASME standards, using ferritic and austenitic steels (AD2000-W7/1, W7/2, W10) and ASTM grades. It is ISO 9001 certified by TÜV SÜD and compliant with the EU Pressure Equipment Directive 2014/68/EU, maintaining thousands of tons of steel inventory to support short lead times on customer-specific specials.

The company targets four primary verticals — petrochemistry/chemistry, turbine construction, plant construction, and turnaround support — and combines one-time custom orders with multi-year framework contracts to generate revenue. Unit pricing is negotiated individually based on specification, material, and volume. On top of the core fastener business, Schuster operates a service portfolio including on-site turnaround logistics (TURNAROUND SUPPORT, FIX IT, TASK FORCE), proprietary cloud-based inventory tracking via TAS XPS, comprehensive flange connection engineering via the Solution Set, and lifecycle consulting via Life Cycle Performance (LCP). Storage-as-a-service (STORE IT) and custom single-piece manufacturing (MANUFAKTUR) round out the offering. Go-to-market is direct enterprise field sales; the company is currently recruiting a Key Account Manager.

Customer-facing channels are direct enterprise sales, the OSS (Online-Service-System) cloud portal, and on-site personnel deployment during plant shutdowns. A partner network spans flange engineering (AMTEC), bolt-tightening technology (Hytorc Seis), steel supply (GMH Gruppe/GeisslerWista), nut manufacturing (Lippische Eisenindustrie), and accredited materials testing (F. Braun, Zentrallabor Siegerland). Revenue is not publicly disclosed; the company is founder/family-owned with CEO Bernd Schuster and no external institutional investors or funding events.

Name

Schuster GmbH Sonderschrauben

Legal name

Schuster GmbH Sonderschrauben

Website

https://schuster-gmbh.de

Company type

Private

Founded year

1971

Operating status

Operating

Headcount range

51–100 employees

Short description

Schuster GmbH Sonderschrauben is a German specialty fastener manufacturer founded in 1971 producing custom DIN/ASME-compliant screws and connecting elements for the petrochemical, plant construction, and turbine industries, augmented by on-site turnaround logistics and proprietary shutdown-tracking software.

Ownership category

akta.pro rank

Product category

Industrial Fasteners and Connecting Elements

NAICS

Bolt, Nut, Screw, Rivet, and Washer Manufacturing (332722)

SIC

Bolts, Nuts, Screws, Rivets & Washers (3452)

akta.pro primary industry

Fasteners, Anchors & Connectors (Bolts, Weld Studs, Plates) (IMADACAJ)

Keywords

• Special fastener manufacturing
• Industrial screws and bolts
• Custom flange fasteners
• Petrochemical fastening solutions
• Turnaround support services

Headquarters

HQ city

Brachbach

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Special Fastener Manufacturing & Sales: Manufacture and sale of customer-specific special fasteners (Sonderschrauben) and connecting elements. Products are manufactured to customer specifications and DIN/ANSI standards. Revenue is generated through one-time project-based orders and framework contracts with petrochemical companies.
2. Professional Services: Turnaround support (on-site logistics and material management during plant shutdowns), TAS XPS system provision, Solution Set engineering, Life Cycle Performance consulting, and TASK FORCE manufacturing on-call services. FIX IT service provides reserved production capacity for urgent orders.
3. STORE IT (Inventory Management Service): Customers can store products at Schuster facilities for rapid access without manufacturing lead times, reducing their own inventory holding costs.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

Schuster GmbH Sonderschrauben manufactures and sells custom special screws (Sonderschrauben), stud bolts, expansion bolts, capsule nuts, expansion sleeves, washers, and screw bolts compliant with DIN 2510, DIN EN ISO, and ANSI/ASME standards, in ferritic, austenitic, and special-grade steels for pressure equipment. The fasteners are supplied primarily to the petrochemical, chemical, plant construction, and turbine manufacturing industries, and the company complements the products with on-site turnaround logistics, digital inventory tracking (TAS XPS), and flange-connection engineering services.

Product overview

Schuster GmbH Sonderschrauben is a manufacturer of special fasteners and connecting elements with over 50 years of experience since 1971. The company operates a unified product portfolio centered on special screws and fasteners for demanding industrial applications, supplemented by a modular service ecosystem. Core products include custom special screws (Sonderschrauben) and comprehensive DIN 2510 flange connection solutions (Dehnschrauben, Stiftschrauben, Kapselmuttern, Sechskantmuttern, Dehnhülsen), complemented by standard DIN EN ISO and ASME/ANSI products. The service architecture is built around TAS XPS (TurnAround Expert System with optional Planning Module) for shutdown documentation, Solution Set for complete flange connection packages, and Life Cycle Performance consulting. Additional services include MANUFAKTUR (custom manufacturing), FIX IT (rapid turnaround), TASK FORCE (after-hours production), TURNAROUND SUPPORT (on-site logistics), STORE IT (inventory storage), and Beratung (technical consulting). The OSS Online-Service-System provides customers a virtual workspace. Customers access petrochemical, plant construction, and turbine engineering markets.

Differentiator

Problem solved

Functional benefit

Products and services

• Sonderschrauben (Special Screws) Custom-manufactured special screws and fasteners designed to meet specific customer requirements for petrochemical, plant construction, and turbine engineering applications, produced under ISO 9001 quality management.
• DIN 2510 Series Products Complete family of flange connection products per DIN 2510 standard including Dehnschrauben (expansion bolts), Stiftschrauben (stud bolts), Kapselmuttern (capsule nuts), Sechskantmuttern (hex nuts), and Dehnhülsen (expansion sleeves) in various forms.
• DIN EN ISO Standard Products Standard fasteners per DIN EN ISO specifications including hex bolts (DIN EN ISO 4014, 4017), socket head cap screws (DIN EN ISO 4762), hex nuts (DIN EN ISO 4032), and washers (DIN EN ISO 7089, 7090).
• ASME/ANSI Products Fasteners conforming to American standards including ASME B16.5, ASME B18.2.1, ASME B18.2.2, and ASME B18.3 for international customers.
• TAS XPS (TurnAround Expert System) Cloud-based "Plug-and-Work" expert system for documenting and tracking materials used during plant turnarounds. Provides real-time inventory management across multiple warehouse locations, barcode/QR-code tracking of personnel and parts, cost center allocation by equipment, and planning module for maintenance cycle analysis. Schuster provides pre-configured hardware (laptop with LTE + printer + scanner) for on-site deployment.
• Solution Set Complete service package for technical sealing and precision of flange connections, including nuts, washers, gaskets, engineering calculations, assembly instructions, and assembly documentation in cooperation with AMTEC for monitoring measurements, fatigue monitoring, and integrity verifications per VDI Guideline 2290.
• Life Cycle Performance (LCP) Comprehensive service and consulting for modernization, prevention, and assembly of pipe classes. Collects operational data, performs analysis, and generates action recommendations for optimizing future projects, including DIN committee participation for future trend integration.
• MANUFAKTUR Custom individual parts manufacturing service producing customer-specific single pieces with artisanal precision, ensuring small quantities are available with standard Schuster delivery performance.
• FIX IT Term insurance service maintaining constant production capacity for urgent special orders and short-term fixed appointments to minimize customer downtime.
• TASK FORCE Manufacturing deployment team available on-call outside normal business hours to fulfill short-term customer requirements during urgent situations.
• TURNAROUND SUPPORT Complete service for maintenance, inspection, and repair of customer plants during shutdowns, including on-site logistics management and infrastructure provision by product-trained Schuster personnel.
• STORE IT Inventory storage service allowing customers to store products at Schuster facilities for rapid access without manufacturing lead times, reducing their own inventory holding costs.
• OSS (Online-Service-System) Virtual customer workspace providing customer number and employee identification login for accessing Schuster services, ordering, and information.
• Beratung (Consulting) Technical consulting service supporting customers in selecting optimal screws and materials while maintaining applicable standards at optimal cost, including support for problem-solving during plant upgrades and new construction design.

Quantifiable outcome

• Thousand-year framework contracts in petrochemistry
• +3 more outcomes

Named customers1 record

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Four partnerships are on record, tiered core and minor.

• AMTECcoreStrategic or Co-development PartnerAMTEC develops methods for reliable sealing connections of flanges and valves using sophisticated measurement technology, calculation procedures, and individual databases. They contribute to Schuster's Solution Set (bolts, nuts, gaskets, calculations, and assembly instructions) and form Life Cycle Performance network together with Schuster and Hytorc for comprehensive flange connection lifecycle management.
• Hytorc Seis GmbHcoreTechnology or IntegrationInnovative ideas, competent consulting quality, patented product expertise, and certified system solutions for bolt tightening technology. Forms Life Cycle Performance network together with Schuster and AMTEC for comprehensive flange connection lifecycle management.
• F. Braun GbRminorImplementation/ SI/ Consulting PartnerNon-destructive materials testing since 1970. DAkkS-accredited testing laboratory enables provision of all essential non-destructive testing procedures and technical acceptance inspections for national and international customers.
• Zentrallabor Siegerland Braun & Co.minorImplementation/ SI/ Consulting PartnerDestructive materials testing since 1973. DAkkS-accredited laboratory covering all important conventional materials testing techniques. Enables physical, chemical, metallographic tests and failure analysis in Schuster's service offering.

Scale indicators6 records

Recent moves6 records

Expansion highlights6 records

Emerging players

• Fischer Group: German fastening specialist primarily serving construction with anchors, screws, and fixings. Comparable in German heritage and engineering-grade fastening focus, though with stronger construction/end-customer bias than Schuster's industrial B2B focus.

Broad incumbents

• Würth Industrie: Industrial arm of the Würth Group, one of Europe's largest fastener distributors and C-parts management providers. Comparable in serving industrial customers with fastening solutions, but at much broader scale and with a distribution-led rather than specialty-manufacturing model.
• Hilti Group: Liechtenstein-based global provider of fastening systems, anchors, and power tools for construction and industrial applications. Comparable in engineered fastening technology for demanding applications, but operates at vastly greater scale with broader product portfolio.

Direct peers

• Arnold Umformtechnik: German manufacturer of specialty engineered fasteners and cold-formed components for automotive, energy, and industrial applications. Highly comparable as a German specialty fastener maker serving demanding B2B customers with custom engineered solutions.
• Bossard Group: Swiss-listed global specialist in industrial fastening and assembly technology, serving similar demanding industrial end-markets including machinery, energy, and transportation. Closest comparable in business model — fastener specialist with engineering services and digital procurement platforms (Smart Factory Logistics).
• KAMAX: German manufacturer of high-strength specialty fasteners primarily for the automotive industry, with expansion into industrial applications. Comparable as a German engineered-fastener producer with strong focus on quality standards and material expertise.
• EJOT: German fastening technology specialist serving industrial, automotive, and construction markets with engineered screws and connection elements. Comparable as a German specialty fastener manufacturer with DIN-standard product lines and B2B engineering focus.
• Nord-Lock Group: Swedish-based global leader in bolt-securing solutions for critical applications including energy, mining, and heavy industry. Comparable as a specialty fastening solutions provider focused on safety-critical bolted joints in demanding industrial environments.
• Poppe + Potthoff: German manufacturer of precision components and specialty fasteners serving automotive, hydraulics, and industrial markets. Comparable as a German precision-engineering firm serving demanding industrial OEMs with custom components.

Regional players

• RUD Ketten Rieger & Dietz: German manufacturer of industrial chains, lifting and lashing equipment, and specialized fastening solutions for heavy industry. Comparable as a German specialty industrial fastening/connection manufacturer with deep expertise in safety-critical applications.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/schuster-gmbh-sonderschrauben

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Schuster GmbH Sonderschrauben