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OnBuy.com£22.32Visit shop Unifix Grade 10.9 Ht Hexagon Bolts M16(1.5) X 50 - Box Of 50 5014196377483
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The Range£22.64Visit shop Unifix Grade 10.9 Ht Fine Pitch Hexagon Bolts M16(1.5) X 50 - Box Of 50 - Grey
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The Unifix Grade 10.9 HT Fine Pitch Hexagon Bolts are essential fasteners for professionals and DIYers working on high-stress industrial and construction projects where structural integrity is non-negotiable. Engineered to DIN 960 specifications, these bolts offer superior tensile strength and precision thread engagement for critical applications. The primary caveat is that their fine-pitch threading is specific to certain hardware and is not interchangeable with standard coarse-threaded nuts, necessitating careful component matching before installation.
| Colour | Grey |
|---|---|
| Model Part Number | 1269549 |
| Brand | Unifix |
Grade 10.9 refers to the mechanical properties of the steel, indicating a nominal tensile strength of 1000 MPa and a yield strength of 900 MPa.
No, these bolts have a fine pitch thread and must be paired with nuts that have the exact same thread pitch.
DIN 960 is the German industrial standard for hexagon bolts with fine pitch threads.
While the steel is strong, it is not inherently stainless. For outdoor use in wet conditions, we recommend protective coatings or regular maintenance.
A standard professional hexagon wrench or socket that matches the bolt head size is sufficient for installation.
Check that the thread pitch matches your nut or tapped hole. If it is a match, check for debris inside the hole and clear it out.
Verify the torque value used; the fine pitch may require specific torque settings to achieve the required clamping force.
To ensure proper installation, always verify that the matching nut or tapped hole also features a matching fine-pitch thread specification. Do not attempt to force these onto standard coarse threads, as this will damage both the bolt and the mating part.
For long-term care, if the application is in an outdoor or humid environment, consider applying a light coat of anti-seize lubricant or corrosion-resistant coating to the threads during installation.
