Diall M8 Hex Bolt Steel Shield Anchor - Silver

These Diall M8 Hex Bolt Steel Shield Anchors are designed for permanent and heavy-duty fixings in ...

Best current price£5.00from B&Q

One Offer

1 offer from £5.00

View price history by clicking the chart icon.

B&QB&Q - M8 Hex Bolt Steel Shield Anchor (L)80mmPack Of 4
Free delivery in 1–3 days
£5.00
Visit shop

Product Information

Full details

These Diall M8 Hex Bolt Steel Shield Anchors are for users needing permanent, heavy-duty fixings in concrete and solid materials. The key benefit is their reliable strength for demanding structural applications. A caveat is that they are specifically designed for solid materials, not hollow walls. This pack of 4 features M8 size bolts with an 80mm thread length, complete with nuts and washers, and a durable zinc-plated finish for corrosion resistance.

All features

ColourSilver
BrandDiall

Extended Product Information

FAQs

What is the maximum weight these anchors can hold?

The specific weight capacity depends on the substrate material (e.g., concrete strength) and proper installation. Always consult the product's technical data sheet or manufacturer specifications for load ratings relevant to your application.

Can I use these anchors outdoors?

Yes, the zinc-plated finish offers good resistance to corrosion, making them suitable for many outdoor applications. However, prolonged exposure to harsh weather or saltwater environments may reduce their lifespan.

What size drill bit do I need for an M8 shield anchor?

Typically, an M8 shield anchor requires a drill bit between 12mm and 14mm. It is crucial to check the specific recommendations provided by Diall for this anchor model to ensure a proper fit and secure installation.

Are these anchors suitable for brick walls?

These anchors are designed for solid materials. They can be used in solid brick walls but are not suitable for hollow bricks or walls with cavities.

What is the thread length of the bolt?

The thread length of the M8 hex bolt is 80mm.

Do I need to use the washer and nut?

Yes, the included washer and nut are essential for the proper installation and function of the shield anchor. The nut tightens the bolt, causing the shield to expand and grip the surrounding material.

Can these anchors be removed and reused?

Shield anchors are designed for permanent fixings. While it might be possible to remove the bolt, the expanded shield remains in the material, and the anchor is generally not suitable for re-installation.

Troubleshooting

Anchor does not feel secure after tightening.

Ensure the hole was drilled to the correct diameter and depth for the anchor. Verify the material is solid concrete or dense masonry. Check for debris in the hole. Ensure the nut was tightened sufficiently to expand the shield.

Difficulty inserting the anchor into the hole.

Confirm the correct drill bit size was used. Re-clean the hole to remove any obstructions. If the hole is too small, it may need to be re-drilled slightly larger.

Corrosion visible on the anchor.

This is cosmetic and may occur with prolonged exposure to moisture. If structural integrity is not compromised, it may still function. For critical applications, consider anchors with higher corrosion resistance or protective coatings.

Pros and Cons

Pros

  • Offers reliable strength for demanding structural applications.
  • Zinc-plated finish provides good corrosion resistance.
  • Includes all necessary components (nuts and washers) for installation.
  • Suitable for long-term, permanent fixtures in solid materials.

Cons

  • Only suitable for concrete and solid materials; not for hollow walls.
  • Requires drilling a specific hole size for proper function.
  • Installation may require specialized tools for optimal performance.

Setup, Compatibility & Care

Setup:

  1. Drill Hole: Use a masonry drill bit of the appropriate diameter for an M8 shield anchor (typically 12-14mm, refer to manufacturer's specific recommendation for best fit). Drill to the required depth, ensuring it is slightly deeper than the anchor's embedment length.
  2. Clean Hole: Thoroughly clean the drilled hole of any dust or debris using a brush or vacuum.
  3. Insert Anchor: Insert the shield anchor into the hole until the flange is flush with the surface.
  4. Place Fixture: Position the item to be fixed over the anchor stud.
  5. Tighten Nut: Place the washer and then the nut onto the stud. Tighten the nut securely using a wrench. As the nut is tightened, the shield inside the hole expands, creating a strong grip.

Compatibility:

  • Material: Exclusively designed for use in solid materials such as concrete, solid brick, and dense stone.
  • Not Compatible With: Plasterboard, hollow blocks, or any other lightweight or hollow construction materials.

Care:

  • Cleaning: Wipe with a dry or slightly damp cloth to remove dust. Avoid abrasive cleaners.
  • Inspection: Periodically inspect anchors in critical applications for any signs of loosening or corrosion. Re-tighten nuts if necessary.
  • Environment: While zinc-plated, prolonged exposure to highly corrosive environments may eventually degrade the finish. Consider additional protection for extreme conditions.

Similar items

Price History

DatePrice
Visit shop