HEXAGON HEAD FLANGE BOLTS

Hexagon Head Flange Bolts 

DIN 6921 | ISO 1665 | ISO 1662

Nufast Ltd supplies a comprehensive selection of Hexagon Head Flange Bolts and Screws, available in a broad spectrum of sizes, materials, and finishes to support demanding engineering applications. We maintain extensive stock levels for rapid dispatch and can source or manufacture specialist variants to exacting client specifications. 

These fasteners are designed with an integrated flange beneath the hex head, distributing clamping force over a larger surface area and eliminating the need for a separate washer in many applications. This design enhances load-bearing capacity and resistance to loosening under vibration, making them ideal for automotive, industrial machinery, structural, and general assembly use. 

Product Variants Available 

• Hex Head Flange Bolts – Fully Threaded Suitable for applications requiring maximum grip length and thread engagement. 
• Hex Head Flange Bolts – With Serrations Integrated serrations beneath the flange provide anti-rotation properties, improving vibration resistance. 
• Hex Head Flange Bolts – With Toothed Flange Enhanced mechanical grip on the mating surface for high-vibration environments. 
• Hex Head Flange Bolts – With Thread Locking Supplied with pre-applied thread locking compound for secure and maintenance-free assembly. 
• Socket Head Button Screws with Flange Low-profile alternative offering compact design and distributed load. 
• Torx Button Head Screws with Flange Tamper-resistant option ideal for aesthetic applications requiring secure fastening. 

Technical Specifications 

• Thread Types: Fully threaded and partially threaded options available 
• Serration Options: With or without serrated flange 
• Material Options: Carbon steel, alloy steel, stainless steel (A2, A4), and non-ferrous alloys 
• Finishes: Zinc-plated, black oxide, hot-dip galvanised, Geomet®, Dacromet®, and more 
• Standards: Manufactured in compliance with DIN 6921, ISO 1665, and ISO 1662 

Why Choose Nufast 

• Stock Availability: High-volume stock holding ensures product availability 
• Delivery: Rapid dispatch for urgent requirements 
• Customisation: Bespoke sourcing and manufacturing to customer drawings and specifications 
• Value: Competitive pricing without compromising technical integrity 

Request a Quotation or Project Enquiry 

Please enter your project requirements or product details in the enquiry form below. A member of our technical sales team will respond promptly with a tailored quotation or further assistance.