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Power Tools Direct£1.24Visit shop Timco 1075Cbp Carriage Bolts & Hex Nuts - Zinc M10 X 75 Timpac 3
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B&Q£5.35Visit shop B&Q - TimcoCarriage Bolts & Hex NutsZinc (Size M8 X 1004 Pieces)
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The Timco 12 x 130mm Carriage Bolt and Hex Nut set is an essential hardware solution for construction and DIY enthusiasts tasked with securing heavy timber structures or mounting ironmongery. Engineered with a durable carbon steel construction and a protective zinc finish, these bolts provide reliable clamping power and corrosion resistance in standard environmental conditions; however, users should note that they are not suitable for high-moisture or coastal environments where stainless steel would be required to prevent long-term oxidation.
| Colour | Silver |
|---|---|
| Model Part Number | 12130CBP |
| Brand | TIMco |
Yes, they are suitable for standard outdoor use, provided they are not in constant contact with standing water or salt-heavy environments.
The domed head has a diameter of 30.00mm.
Yes, each bolt comes with the corresponding hex nut.
No, these are specifically designed for timber applications where the anti-spin square shoulder can seat into the material.
Use a proper size wrench to tighten the nut while ensuring the shoulder remains locked into the timber.
The square shoulder has not seated correctly. Remove the bolt and check that the hole is not too large, then tap the head firmly into the wood with a hammer.
The zinc coating may have been scratched during installation. Apply a small amount of clear coat or exterior-grade metal paint to seal the area.
Check the threads for debris or wood shavings. Ensure the nut is properly aligned with the bolt axis before turning.
To achieve the best results, ensure that your drill bit matches the M12 diameter of the bolt for a snug fit. If the wood is particularly hard, a slightly smaller pilot hole is recommended to allow the anti-spin shoulder to seat without splitting the grain.
For maintenance, periodic inspections of the nut tension are advised, especially in exterior timber applications where the wood may naturally shrink or expand over seasons. While the zinc plating is durable, avoid using abrasive chemical cleaners, as these can strip the coating and expose the raw steel to potential corrosion.
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