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Power Tools Direct£1.24Visit shop Timco 12100Cbp Carriage Bolts & Hex Nuts - Zinc M12 X 100 Timpac 2
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B&Q£5.80Visit shop B&Q - TimcoCarriage Bolts & Hex NutsZinc (Size M12 X 1002 Pieces)
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The Timco Carriage Bolt and Hex Nut set is designed for professional contractors and DIY enthusiasts who need a reliable, high-strength solution for securing timber or attaching ironmongery to wooden structures. These fasteners provide excellent clamping force and a clean, snag-resistant finish thanks to the domed head design, though users should note that the zinc finish is intended primarily for indoor or sheltered outdoor environments rather than high-corrosion coastal areas.
| Colour | Silver |
|---|---|
| Model Part Number | 12100CBP |
| Brand | TIMco |
Yes, this specific 100mm variant is fully threaded, which is standard for bolts of this length in this range.
No, these are specifically designed for timber applications where the square shoulder can lock into the wood.
The head diameter for this M12 bolt is 30.00mm.
Yes, the product comes with the matching hex nuts included.
The zinc finish provides moderate protection, but for coastal environments, stainless steel fasteners are recommended to prevent rust.
They are manufactured from high-quality carbon steel.
Ensure the square shoulder is properly seated in the timber. Use a mallet to firmly tap the head of the bolt to force the square shoulder into the wood.
Check that the pilot hole diameter is sufficient. If the square shoulder is preventing entry, use a chisel to slightly square off the entry point of the hole.
To install these bolts, first determine the correct length; ensure the 100mm length is sufficient to pass through your timber sections with enough remaining thread for the nut. Use a standard drill bit to create a hole, then insert the carriage bolt. Because these are made of carbon steel with a zinc finish, they are best kept dry. If using them in outdoor timber projects, verify that the wood treatment (such as copper-based preservatives) does not react negatively with zinc, and consider a stainless steel alternative if building in consistently damp or acidic environments. Store in a cool, dry place to prevent premature oxidation.
