TIMco Carriage Bolt and Hex Nut - Silver

Name: TIMco Carriage Bolt and Hex Nut - Silver
Brand: TIMco
SKU: 7soxffqkva
Availability: InStock

A domed head bolt with a square anti-spin shoulder, primarily used for clamping timber or attachin...

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Timco 0.0 X 150Mm Carriage Bolts & Hex Nuts - Zinc - Timpac Of 2 08150Cbp

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Product Information

Full details

The TIMco Carriage Bolt and Hex Nut is designed for construction professionals and DIY enthusiasts who need a reliable fastening solution for securing timber or attaching ironmongery. Featuring a distinct domed head and a square anti-spin shoulder, this bolt provides a secure, flush-fitting finish, though users should ensure their drill bits match the square shoulder requirement for proper seating.

All features

Colour	Silver
Model Part Number	08130CBP
Brand	TIMco

Extended Product Information

FAQs

Are nuts included with these bolts?

Yes, each bolt comes with a compatible hex nut.

Can these be used in saltwater environments?

These bolts have a zinc finish, which is not intended for direct exposure to saltwater. For marine environments, stainless steel would be a better alternative.

What is the diameter of the head?

The domed head has a diameter of 20.00mm.

Is the thread M8?

Yes, this bolt has an M8 metric thread diameter.

Do I need special tools to install this?

You will need a drill for the pilot hole, a hammer to seat the shoulder, and a wrench or spanner to tighten the hex nut.

Troubleshooting

The bolt spins while I am trying to tighten the nut.

The anti-spin shoulder is not fully seated. Use a hammer to tap the head firmly into the wood so the square neck grips the timber.

The bolt is too long for my current project.

You can cut the bolt to the desired length using a hacksaw, ensuring you clean the threads at the cut point to allow the nut to screw on easily.

Pros and Cons

Pros

Resists rotation during tightening due to square shoulder
Durable carbon steel construction for structural integrity
Zinc coating provides effective protection against surface rust
Included hex nuts ensure compatibility out of the box
Clean, professional aesthetic finish

Cons

Requires a square hole or pre-drilling for the anti-spin shoulder to seat correctly
Not suitable for highly acidic or harsh marine environments
Cannot be easily removed once tightened in soft timber

Setup, Compatibility & Care

To install, start by drilling a pilot hole slightly larger than the bolt diameter (M8). To allow the square shoulder to lock, you may need to lightly countersink or square off the surface of the timber hole.

Compatibility:

Diameter: M8 (8mm metric thread).
Compatibility: Ensure the wood is at least 130mm thick if you intend to use the full length of the bolt. For thinner materials, you may need to cut the bolt or use washers to compensate for excess thread.

Care:

While the zinc finish is protective, keep bolts stored in a dry environment to prevent premature oxidation.
If the bolt is used outdoors, periodically check the tightness of the hex nut, as timber shrinkage over time can lead to a slight loosening.