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The JCP Fixings Throughbolts (M10 x 100) are designed for professional contractors and serious DIY enthusiasts who require a heavy-duty, reliable fastening solution for structural applications. These bolts offer exceptional load-bearing strength and excellent corrosion resistance for both interior and exterior projects, though users must ensure they have the correct masonry drill bit size to match the diameter to avoid installation issues.
| Colour | Silver |
|---|---|
| Model Part Number | A2-304 |
| Brand | JCP Fixings |
No, throughbolts rely on expansion against solid masonry. Use a chemical anchor or specialized cavity fixing instead.
You should use a 10mm masonry drill bit.
Once expanded and tightened, the clip mechanism is permanently deformed. It is strongly recommended to use new bolts for safety.
While they offer good resistance, high-salt areas may require stainless steel alternatives for long-term protection against severe corrosion.
The M10 indicates the thread diameter, and 100 represents the total length of the bolt in millimeters.
The drill hole is likely too large or the masonry is too soft. Use a smaller hole or a chemical anchoring system for unstable substrates.
Clear the hole of excess drilling dust. Ensure the drill bit is not worn down, which can result in an undersized hole.
To install, ensure the substrate is solid and capable of supporting the load. Use a 10mm masonry drill bit to create a hole at least as deep as the bolt length. Clear all dust and debris from the hole using a brush or air pump for maximum grip. Insert the throughbolt and tap it into place with a hammer until the washer is flush against the surface. Tighten the nut to the required torque setting using a spanner or torque wrench. These fasteners are largely maintenance-free, though in coastal or highly corrosive environments, it is recommended to periodically inspect the bolt heads for signs of oxidation or movement.
