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Power Tools Direct£5.17Visit shop Timco 12130Cb Carriage Bolts & Hex Nuts - Zinc M12 X 130 Box 10
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B&Q£10.75Visit shop B&Q - Zinc Carriage Bolt M12 X 130mm Carbon Steel Domed Head Square Anti-Spin Shoulder For Clamping Timber Ironmongery Home Diy
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The TIMco M12 x 130mm Carriage Bolts are an essential hardware solution for DIY enthusiasts and professional carpenters who require high-strength fastening for timber projects or heavy-duty ironmongery. Engineered with a distinct domed head and a square anti-spin shoulder, these bolts provide a secure, clean finish, though users should note that the carbon steel construction requires a protective environment to prevent potential corrosion over long-term outdoor exposure despite the zinc plating.
| Model Part Number | 12130CB |
|---|---|
| Brand | TIMco |
No, this product includes the carriage bolts and hex nuts only. Washers should be purchased separately if required for your specific application.
No, these are zinc-plated carbon steel bolts. They are not designed for marine or highly corrosive environments and may rust if exposed to salt water.
The domed head diameter is 30.00mm.
You need a standard spanner or socket wrench to tighten the hex nut. The bolt head itself does not require a tool as it is designed to be self-locking.
They are manufactured from Grade 4.8 carbon steel.
Ensure the square shoulder is fully seated into the timber by tapping the head with a mallet; if the hole is too wide, use a washer under the head.
Check that the hole is correctly aligned and verify the drill bit diameter is at least 12mm to accommodate the shank.
To install, drill a hole through the timber using a 12mm drill bit. Insert the bolt through the hole and tap the domed head gently with a rubber mallet until the square shoulder is fully embedded into the wood. Secure the included hex nut from the opposite side using an appropriate spanner or socket wrench. As these are zinc-plated carbon steel, it is recommended to inspect them periodically for signs of oxidation if they are installed in high-moisture areas. For long-term preservation, consider applying a thin coat of exterior-grade paint or sealant over the exposed threads.
