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Power Tools Direct£1.24Visit shop Timco 10180Cbp Carriage Bolts & Hex Nuts - Zinc M10 X 180 Timpac 2
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The Timco M12 x 90 Carriage Bolt is an essential hardware component designed for DIY enthusiasts and professionals working on timber construction or ironmongery installation. Its primary benefit is the integrated square anti-spin shoulder that allows for one-handed tightening without rotation. One key caveat to keep in mind is that the grade 4.8 carbon steel construction is intended for standard structural projects and should be avoided in highly corrosive environments unless properly treated or protected.
| Model Part Number | 1290CB |
|---|---|
| Brand | TIMco |
Yes, this specific 90mm bolt is fully threaded, which allows for maximum versatility when clamping timber of varying thicknesses.
Yes, they feature a zinc finish which offers protection against standard environmental exposure, though they should be monitored if used in very wet areas.
You will need a drill with an appropriate sized bit for the pilot hole, a hammer for seating the head, and a standard hex wrench or socket for the nut.
Yes, the product comes as a complete set including the bolt and the hex nut.
Grade 4.8 refers to the mechanical properties of the steel, indicating it is suitable for general construction and standard fastening applications.
Ensure the square shoulder under the head is fully seated into the timber by tapping it with a hammer before starting to tighten the nut.
Remove the nut, check the threads for debris or damage, and ensure you are threading it on straight without forcing it.
Clean the area with a wire brush and apply a clear coat or zinc-rich spray paint to prevent further oxidation.
To install these bolts, drill a hole slightly larger than 12mm through your timber components. Insert the bolt and tap the head lightly with a hammer until the square shoulder is fully seated in the wood. Once seated, thread the included hex nut onto the bolt and use a wrench to secure the joint. Since these bolts are finished in zinc, maintain them by ensuring they are not overtightened to the point of stripping the timber fibers. In outdoor environments, periodically inspect for signs of rust at the nut-thread interface and apply a light machine oil or exterior-grade sealant if signs of corrosion appear.
