JCP Fixings Lipped Drop-In Anchors - Silver - M8/10 x 30

The JCP Fixings A4-316 Lipped Drop-In Anchors are designed for reliable and secure fastening in va...

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The RangeJcp Fixings A4-316 Stainless Steel Eta Lipped Drop-In Anchors Ce - M10/12 X 40 (Box Of 50) - Silver
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eBayJcp Fixings A4-316 St/St Drop-In Anchors M10/12 x 40 - Box of 50
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OnBuy.comJcp Fixings A4-316 St/St Drop-In Anchors Ce - M10/12 X 40 - Box Of 50 5014196599458
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DebenhamsJcp Construction Products Unisex Silver A4-316 St/St Drop-In Anchors - Box Of 50 In Size 40
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Product Information

Full details

The JCP Fixings A4-316 Lipped Drop-In Anchors are designed for professional contractors and serious DIYers who require high-strength, permanent fastening solutions in concrete and masonry. These anchors offer exceptional corrosion resistance and a secure, flush-mount fit due to their high-grade stainless steel construction and lipped design. While they are ideal for heavy-duty overhead or structural applications, keep in mind that they require a specific setting tool for correct expansion and demand a clean, accurately sized hole to function as intended.

All features

ColourSilver
Model Part NumberA4-316 M8/10 x 30
BrandJCP Fixings

Extended Product Information

FAQs

Are these anchors suitable for outdoor use?

Yes, the A4-316 stainless steel provides excellent resistance to corrosion and is suitable for outdoor and marine-adjacent environments.

Do I need a special tool to install these?

Yes, you need a setting tool (punch) compatible with M8 drop-in anchors to drive the internal cone into the expansion position.

Can I use these in hollow bricks?

No, these are designed specifically for solid concrete and dense masonry; they will not expand correctly in hollow materials.

What is the benefit of the 'lipped' design?

The lip prevents the anchor from falling too far into the hole during installation, ensuring it remains flush with the surface.

Is the bolt included in the box?

No, the box contains 100 pieces of the drop-in anchor sleeves only. You will need to source the appropriate M8 bolts separately.

Troubleshooting

Anchor rotates when trying to tighten the bolt

The anchor has not been set properly. Use the setting tool to drive the internal cone further down until the outer sleeve is fully expanded against the concrete.

Bolt will not thread into the anchor

Check the hole for debris or concrete dust. If the anchor is slightly tilted, the internal threads may be misaligned.

Anchor pulls out of the concrete

The hole was likely drilled too wide, or the base material is not of sufficient density. Ensure the drill bit is the exact size required and the concrete is not fractured.

Pros and Cons

Pros

  • High-grade A4-316 stainless steel prevents rust in demanding environments
  • Lipped design guarantees a flush finish and prevents over-insertion
  • ETA certification provides peace of mind regarding structural safety
  • Internal thread allows for flexible mounting and removal of fixtures
  • Durable enough for both internal and external masonry applications

Cons

  • Requires a specific setting tool for proper expansion
  • Not suitable for use in hollow brick or lightweight concrete blocks
  • Requires precise drilling to match the anchor diameter

Setup, Compatibility & Care

For installation, ensure you are using a rotary hammer drill with a high-quality masonry bit matching the anchor diameter. Clean the drilled hole thoroughly; residual concrete dust is the leading cause of failed anchor expansion. The anchor is compatible with standard metric M8 threaded bolts. When tightening the final fixture, do not exceed the recommended torque settings to avoid damaging the internal threads of the anchor. Keep the product stored in a dry environment to maintain the integrity of the stainless steel before installation.

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