Best current price£0.99from eBay
Shopping.co.uk recommended and popular offers
eBay£0.99Visit shop A2 Stainless Steel Hexagon Head Set Screw Bolt Part Threaded, M16x90mm, DIN 931
Visit shop
The Range£12.89Visit shop Unifix A2-304 Stainless Steel Hexagon Bolts M8 X 75 - Q209310000800075000 - Box Of 50 - Grey
Visit shop50 offers from £0.99 - £61.95
View price history by clicking the chart icon.
Unifix Hexagon Bolts are essential high-strength fasteners engineered for professionals and DIY enthusiasts working on construction, automotive, and heavy-duty engineering projects. These bolts provide reliable, structural-grade fastening with a hexagon head design that ensures easy torque application using standard wrenches or sockets, though users must ensure they match the specific thread diameter and length to their project requirements to avoid structural compromise.
| Colour | Grey |
|---|---|
| Model Part Number | 1268689 |
| Brand | Unifix |
DIN 931 is a German standard for hexagon head bolts with a partially threaded shank, ensuring specific quality and dimensional accuracy.
These bolts are designed for strength, but if used in highly corrosive outdoor environments, it is recommended to monitor them for rust or use protective coatings.
While they are robust, it is generally recommended to use new fasteners for critical structural applications to ensure maximum holding power.
No, these are sold as individual bolts. You will need to purchase matching nuts separately based on the diameter and thread pitch.
Measure the total thickness of the materials being joined and ensure the bolt has enough thread engagement for the required nut or tapped hole.
Ensure you are using the correct size socket or wrench and that it is fully seated on the hexagon head before applying force.
Check the threads for burrs or debris; ensure the bolt is aligned perfectly perpendicular to the mating nut to prevent cross-threading.
Check that you are using the correct diameter for the hole and consider using a locking washer or thread-locking compound.
Before installation, verify the thread size and bolt length required for your specific application. Using an undersized bolt can lead to structural failure, while an oversized one may not seat correctly. To install, align the components, insert the bolt, and tighten using a calibrated wrench. To maintain the life of the bolt, keep threads free from debris and grit before fastening. If installing in damp or corrosive environments, apply an anti-seize compound to the threads to prevent binding and prolong the service life of the connection.
