Complete your assembly projects with confidence using our M8 x 40mm Hex Bolts. Supplied with matching nuts, these fasteners are designed for high-torque applications where a secure, long-lasting hold is non-negotiable.
Corrosion Protection: Bright Zinc Plating (BZP) provides a durable shield against rust and oxidation.
Easy Installation: The hexagonal head allows for maximum leverage using standard UK spanners or socket sets.
Complete Set: Each bolt comes paired with a high-quality hex nut to ensure a perfect thread match every time.
£2.50 Incl. VAT
The M8 x 40mm hex bolt is a versatile fastener widely used across the UK in construction, machinery repair, and home DIY. Its hexagonal head is specifically designed to be tightened with a wrench or socket, allowing for significantly higher torque than standard screws. These bolts are the “gold standard” for securing heavy items like radiator brackets, steel frames, and automotive components.
Environmental factors can quickly degrade unprotected steel. These bolts feature a professional Bright Zinc Plating (BZP). This sacrificial coating provides essential resistance to moisture and humidity, making them ideal for indoor use and sheltered outdoor applications. At ECO HEAT SHOP LTD, we prioritize fasteners that maintain their structural integrity even in challenging environments.
Whether you are a professional tradesperson or a weekend DIY enthusiast, the quality of your fasteners dictates the safety of your project. Our M8 bolts are engineered for consistency, ensuring that every bolt in the pack meets the same high-load requirements. The inclusion of matching nuts simplifies your workflow, eliminating the need to source separate components that may not share the same thread tolerance.
Diameter: M8 (8mm)
Length: 40mm (Excluding Head)
Thread Type: Metric Coarse (Full Thread)
Material: Grade 4.8 or 8.8 Carbon Steel
Finish: Zinc Plated (Clear/Bright)
Drive Type: External Hexagon
| Weight | 0.6 kg |
|---|---|
| Dimensions | 40 × 8 × 5 mm |
ECO Heat Shop Ltd provides national distribution for plumbing and heating supplies across England, Scotland, and Wales. Orders placed before the 18:00 PM (Afternoon) cutoff are typically processed for same-day dispatch.
View Full Shipping & Collection Policy ›Hours: Monday – Saturday: 08:30 AM – 06:30 PM | Sunday: Closed
Location: Unit 8 West Cross Shopping Centre, Oldbury Rd, Smethwick, B66 1JG
In-shop precision key cutting available during standard operational hours. Professional while-you-wait service for Smethwick residents and trade contractors.
Smart supplies for real heat.
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