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Carriage Bolts & Hex Nuts – Hot Dipped Galvanised Carbon Steel Dome Head Bolts for Timber & Ironmongery Fixing

M8 x 40mm Carriage Bolts & Hex Nuts - Galvanized (Box Of 100) - 0840CBG

£9.03 ex. VAT £7.53

Features & Benefits
• 🔩 Strong Timber & Ironmongery Fastening – Designed for clamping timber or securing metal fittings to wood, ideal for construction, fencing, decking, and joinery applications.
• ⚙️ Durable Carbon Steel Build – Made from grade 4.8 carbon steel for excellent tensile strength and dependable load-bearing performance.
• 🌧️ Hot Dipped Galvanised Protection – Coated for superior corrosion resistance, withstanding up to 500 hours of salt spray exposure—perfect for outdoor and damp environments.
• 🧱 Secure Anti-Spin Design – Features a square shoulder under the domed head to prevent rotation when tightening, ensuring a stable and reliable fix.
• 🔧 Includes Matching Hex Nuts – Supplied complete with M12 hex full nuts, saving time on site and ensuring a perfect thread fit for easy installation.

Description
These Hot Dipped Galvanised Carriage Bolts & Hex Nuts are ideal for joining timber or attaching ironmongery in structural, fencing, or decking projects. Manufactured from grade 4.8 carbon steel, they deliver strong performance and reliability in both indoor and outdoor applications. The domed head with square anti-spin shoulder provides a secure hold during tightening, while the galvanised coating offers exceptional rust resistance, lasting up to 500 hours in salt spray tests. Fully threaded up to 150mm and partially threaded thereafter, these bolts ensure versatility across a wide range of construction and carpentry needs.

Our Delivery Options

Express 1/3 Day Delivery

Delivery Fee:
- £3.79 delivery for orders under £30
- Free delivery for orders over £30
Order By:
- 2:30pm
Delivery Time: Before 6pm Monday-Friday

Next Business Day Delivery

Delivery Fee:
- £7.50
Order By:
- 2:30pm
Delivery Time: Before 6pm Monday-Friday

Pre-12 Next Business Day Delivery

Delivery Fee: £16.99 delivery for all pre-12 orders (Weekend Only)
Order By:
- 2:30pm
Delivery Time: Before 12pm Monday-Friday

Remote Areas Delivery

Delivery Fee:
- £3.99
Order By:
- 2:30pm
Delivery Time: Standard delivery (2-4 days)

Weekend Delivery

Delivery Fee:
- £19.99
Order By:
- 2:30pm Friday
Delivery Time: Before 6pm Saturday

Good To Know

For orders to some addresses, especially in the Highlands of Scotland and Offshore, next day delivery options are not available and delivery can take several days. Saturday delivery is not available for remote areas.

Items over 30kg: Items over 30kg can only be delivered from Monday to Friday. If ordered before 3pm, please allow up to two business days for delivery. Orders placed after 6pm Thursday will be delivered after the weekend.

Carriage Bolts & Hex Nuts – Hot Dipped Galvanised Carbon Steel Dome Head Bolts for Timber & Ironmongery Fixing

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Total price:

Free delivery on orders over £30
30-day easy returns
Download datasheet (PDF)

BRAND: TIMCO

Carriage Bolts & Hex Nuts – Hot Dipped Galvanised Carbon Steel Dome Head Bolts for Timber & Ironmongery Fixing

Name: Carriage Bolts & Hex Nuts – Hot Dipped Galvanised Carbon Steel Dome Head Bolts for Timber & Ironmongery Fixing
Brand: TIMCO
SKU: 0840CBG
Price: 18.48 GBP
Availability: InStock

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