DIN912 Socket Head Cap Screws: Fabory vs Fullerkreg — Complete Buyer's Guide 2026

An honest, side-by-side comparison to help you choose the right DIN912 supplier for your project.

When sourcing DIN912 socket head cap screws, two names frequently appear in European and global procurement discussions: Fabory, one of Europe's largest fastener distributors with a century-long heritage and a vast catalog serving MRO and industrial buyers across the continent, and Fullerkreg, a direct manufacturer offering factory-direct pricing, full OEM capability, and certified quality systems. Both serve industrial buyers — but their business models, pricing structures, and capabilities differ significantly. This guide gives you a structured, data-driven comparison to help you make the right sourcing decision.

Quick Comparison: Fabory vs Fullerkreg at a Glance

Image: DIN912 socket head cap screw comparison chart — Fabory vs Fullerkreg DIN912 supplier

Detailed Breakdown: Dimension-by-Dimension Analysis

1. Brand Identity & Market Positioning

Fabory was founded in 1947 in the Netherlands and is now part of the Würth Group, one of the world's largest fastener and MRO distribution networks. With over 500,000 SKUs and a strong European distribution infrastructure, Fabory is a go-to source for MRO buyers, maintenance teams, and industrial procurement managers across Europe. Their catalog covers virtually every fastener type, and their e-commerce platform is well-developed for European buyers. DIN912 socket head cap screws are a core product line for Fabory, reflecting the standard's dominance in European engineering and manufacturing.

Fullerkreg (Dongluo Hardware Co., Ltd.) was established in 2011 as a dedicated industrial fastener manufacturer. Operating three production facilities in China, Fullerkreg serves buyers in 50+ countries across automotive, heavy truck, wind energy, solar, aerospace, rail, and industrial infrastructure. The brand's core proposition is manufacturing control, customization depth, and factory-direct pricing — with ISO/TS 16949 and ISO 9001 certifications meeting the documentation requirements of regulated industrial supply chains globally.

Both suppliers serve industrial buyers, but from opposite ends of the supply chain: Fabory as a European distributor with local stock and fast EU delivery, Fullerkreg as a direct manufacturer with factory-direct pricing and full OEM capability.

2. Manufacturer vs. Distributor: The Core Distinction

Fabory is a distributor. They source DIN912 screws from manufacturers across Europe and Asia, stock them in European distribution centers, and deliver with impressive speed within the EU. The distributor model means a margin layer is embedded in every unit price, and customization beyond standard catalog items is limited. For European MRO buyers who need fast, reliable delivery of standard fasteners, Fabory's model is highly effective.

Fullerkreg is a direct manufacturer. DIN912 screws are produced in Fullerkreg's own facilities in China, eliminating the middleman markup, enabling source-level quality control, and making full OEM/ODM customization possible. Owning three dedicated manufacturing facilities means Fullerkreg controls the entire production process — from raw material selection to final inspection — with full lot traceability and certification documentation available for every order.

The practical implication: for urgent MRO replenishment within Europe, Fabory's local stock and next-day delivery is hard to beat. For production-scale procurement, OEM requirements, or cost-sensitive sourcing where factory-direct pricing matters, Fullerkreg delivers measurably better economics.

3. Product Range & DIN912 Specialization

Fabory carries an extraordinarily broad catalog — over 500,000 SKUs spanning all fastener types, anchors, tools, and MRO supplies. Their DIN912 / ISO 4762 selection is comprehensive for standard sizes and grades, with A2 and A4 stainless steel options well-represented for European corrosion-resistance requirements. The breadth is a genuine advantage for buyers who need to consolidate multiple fastener types in a single order.

Fullerkreg focuses specifically on industrial fasteners with DIN912 as a flagship product line, covering M1.6 to M36+ in grades 8.8 through 14.9, across multiple materials and surface finishes. This specialization means dedicated production capacity, more grade and material options than most distributors stock, and engineering expertise applied specifically to socket head cap screw applications in demanding industrial environments.

4. Lead Time & Shipping Speed

Fabory excels at European delivery speed. Same-day or next-day shipping for EU stock, with 1–3 day delivery across most of Europe. For European MRO buyers, this is a significant operational advantage. International shipping outside Europe is available but not a core strength, with timelines of 5–10 days to the US.

Fullerkreg ships stock items in 2 days from warehouse dispatch. Custom production orders require approximately 35 days. Express international delivery reaches Europe and the US in 7–15 days; standard shipping runs 35–40 days. For European buyers with planned procurement cycles, Fullerkreg's express lead time is competitive. For custom production — a capability Fabory cannot match — Fullerkreg is the only option between these two suppliers.

5. Minimum Order Quantity (MOQ)

Fabory offers low MOQ with small pack and single-box orders available through their e-commerce platform. This flexibility suits MRO buyers who need varying quantities across many SKUs without committing to large minimum orders.

Fullerkreg requires a minimum of 1 carton for stock items — a practical threshold aligned with standard industrial packaging. For OEM and bulk orders, manufacturing capacity scales to meet large-volume requirements with no upper ceiling. The carton-based minimum reflects Fullerkreg's focus on production-scale industrial procurement.

6. Pricing: Factory-Direct vs. European Distributor Premium

Fabory pricing reflects the European distributor model: local warehousing costs, EU operational overhead, Würth Group infrastructure, and a margin layer on every product. For MRO buyers where speed and convenience justify the premium, this is an acceptable trade-off. For high-volume, recurring production procurement, the distributor markup compounds significantly across large annual spend.

Fullerkreg offers factory-direct pricing. For equivalent DIN912 specifications — same grade, same material, same surface finish — Fullerkreg's pricing at production volumes is typically 25–45% lower than European distributor pricing. At annual volumes of 50,000+ pieces, the savings from sourcing direct from a manufacturer rather than through a European distributor can be substantial enough to justify the longer lead time and procurement planning investment.

7. Customization & OEM Capability

Fabory offers limited customization. As a distributor, their standard catalog covers a wide range of sizes and grades, but non-standard specifications, OEM branding, and custom surface finishes require sourcing through their supplier network — a process that is slower, less predictable, and more expensive than working directly with a manufacturer.

Fullerkreg offers full OEM/ODM manufacturing services including custom thread pitches and head heights, non-standard materials (titanium, brass, specialty alloys), custom surface finishes (Geomet, Dacromet, nickel plating, custom anodizing), OEM branding and private-label packaging, and custom mechanical property grades beyond standard 8.8 / 10.9 / 12.9 / 14.9. For any buyer with application-specific requirements outside standard DIN912 parameters, Fullerkreg's manufacturing capability is the decisive advantage.

8. Quality Certifications & Traceability

Fabory holds ISO 9001 certification for their distribution operations. Product-level certifications depend on the upstream manufacturer — material test certificates are available for some products on request, but consistency varies across their multi-supplier catalog. For regulated industries requiring uniform, auditable quality documentation across all fastener supply, this variability can be a procurement risk.

Fullerkreg holds ISO/TS 16949 (automotive quality management system) and ISO 9001 certifications at the manufacturing level. Material test certificates, dimensional inspection reports, and lot traceability documentation are available for all production orders — providing the consistent, auditable quality foundation required for automotive, aerospace, wind energy, and other regulated supply chains.

9. Digital Experience & Technical Resources

Fabory offers a well-developed e-commerce platform with good product search, technical specifications, and account management tools optimized for European industrial buyers. Their platform supports multi-currency pricing, VAT handling, and EU-compliant invoicing — practical advantages for European procurement teams.

Fullerkreg provides a technical catalog with detailed product specifications and quote-based ordering for custom items. For OEM and custom requirements, a technical consultation process ensures specifications are correctly captured before production begins — appropriate for complex, high-value industrial orders requiring engineering review.

When to Choose Which Supplier

Choose Fabory if you:

• Are based in Europe and need fast MRO replenishment with 1–3 day delivery
• Need to consolidate a diverse fastener bill of materials in a single European order
• Require small pack quantities with no high MOQ commitment
• Prefer purchasing from a European distributor for VAT simplicity and local support
• Are sourcing standard DIN912 grades (8.8, 10.9, 12.9) in common sizes for MRO use
• Need EU-compliant invoicing and account management in European languages

Choose Fullerkreg if you:

• Are placing bulk or recurring production orders for DIN912 socket head cap screws
• Need custom specifications — non-standard grades, materials, finishes, or dimensions
• Require factory-direct pricing (typically 25–45% below European distributor pricing at volume)
• Need OEM/ODM manufacturing with branded packaging
• Are sourcing for automotive, aerospace, wind energy, rail, or other regulated industries globally
• Require ISO/TS 16949 or ISO 9001 certified supply with consistent material test certificates and lot traceability
• Need Grade 14.9 or specialty materials such as titanium, nylon, or A4-316 stainless beyond standard stock
• Have a planned procurement cycle accommodating stock (2-day dispatch) or custom (35-day) lead times
• Need multi-language technical support (English, French, German, Spanish, Chinese)
• Are building a long-term OEM supplier relationship with qualification requirements

Fullerkreg DIN912 Socket Head Cap Screws: Product Overview

• Standard: DIN 912 / ISO 4762 compliant
• Grades: 8.8, 10.9, 12.9, 14.9; custom mechanical properties on request
• Materials: Alloy Steel, Stainless Steel A2-304, A4-316, Brass, Nylon, Titanium
• Size Range: M1.6 to M36+ standard; larger sizes via custom production
• Surface Finishes: Black Oxide, Zinc Plating (white/yellow/blue), Dacromet, Nickel Plating, custom coatings
• Quality Certifications: ISO/TS 16949, ISO 9001; MTC and lot traceability available
• Origin: China — 3 owned manufacturing facilities
• OEM Services: Custom branding, private-label packaging, non-standard dimensions, special materials
• Global Delivery: 50+ countries; express 7–15 days to EU/US, standard 35–40 days
• Technical Support: English, French, German, Spanish, Chinese

Frequently Asked Questions

What is DIN912?

DIN 912 is a German industrial standard specifying dimensions and mechanical requirements for socket head cap screws (Allen bolts), functionally equivalent to ISO 4762. It is the dominant socket head cap screw standard in European engineering and manufacturing, and widely used globally.

Is Fabory a manufacturer?

No. Fabory is a European industrial distributor founded in 1947 and part of the Würth Group. They source fasteners from manufacturers across Europe and Asia and distribute them through European warehouses. They do not manufacture fasteners and have limited OEM/ODM capability.

Is Fullerkreg a manufacturer?

Yes. Fullerkreg is a direct manufacturer with three production facilities in China, enabling factory-direct pricing, full OEM/ODM customization, and ISO/TS 16949 and ISO 9001 certified quality control with full lot traceability.

Who has better DIN912 prices — Fabory or Fullerkreg?

Fullerkreg offers factory-direct pricing typically 25–45% lower than European distributor pricing for equivalent DIN912 specifications at production volumes. Fabory's pricing reflects European warehousing, Würth Group overhead, and distributor margin. For MRO and small quantities, Fabory's premium is justified by speed. For production volumes, Fullerkreg's factory-direct model delivers significantly better unit economics.

Which is better for European MRO buyers?

Fabory — same-day or next-day EU shipping, local stock, EU-compliant invoicing, and European language support make Fabory the practical choice for MRO replenishment within Europe.

Which is better for bulk OEM orders?

Fullerkreg — full OEM/ODM manufacturing capability, custom specifications, branded packaging, factory-direct pricing at scale, and consistent ISO-certified quality documentation across all orders.

What grades are available from each supplier?

Fabory: 8.8, 10.9, 12.9 in standard sizes. Fullerkreg: 8.8, 10.9, 12.9, 14.9, plus custom grades on request — a broader range for high-performance industrial applications.

How fast can I get DIN912 screws from each supplier?

Fabory: same-day/next-day EU shipping, 1–3 days within Europe, 5–10 days to US. Fullerkreg: 2-day stock dispatch, 7–15 days express to EU/US, 35–40 days standard. For European MRO urgency, Fabory wins on speed. For planned production procurement globally, Fullerkreg's express option is competitive.

Ready to Source DIN912 Socket Head Cap Screws?

For European MRO replenishment and urgent standard fastener needs: Fabory delivers unmatched local speed and convenience. For production-scale, OEM, custom-specification, or cost-sensitive procurement: Fullerkreg's factory-direct model delivers certified quality, greater customization, and a scalable global supply chain partnership.

• Get a Free Quote: Request a Free DIN912 Quote →
• Download DIN912 Spec Sheet: Download DIN912 Spec Sheet (PDF) →
• Browse Inventory: Browse Fullerkreg DIN912 Inventory →

Fullerkreg serves procurement managers, engineers, and OEM manufacturers across 50+ countries. Technical support available in English, French, German, Spanish, and Chinese.