Expansion Screw Bolt Sleeve Anchor Fastener

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1️⃣ First, figure out exactly where you want to put the anchor bolts.

2️⃣ Then, grab an impact drill and make holes that are the right size and depth.

3️⃣ Next, just slide the expansion sleeve anchor bolts into those holes.

4️⃣ Now, tighten the nuts or bolts until the expansion sleeves sit nice and flat against the concrete.

5️⃣ After that, you can firmly attach your solar panel brackets.

6️⃣ Finally, do a quick check to make sure everything is snug and secure.

☆ You can use these expansion bolts to hold heavy things onto walls or floors.

☆ They can handle weight whether it's pushing down or pulling sideways.

☆ Installation is straightforward: as you tighten the bolt, the nut on the other end pulls into the sleeve, making it spread out and wedge itself firmly into the hole in the wall or floor.

☆ They're great for really securing steel or wood frames to walls and floors.

Related certificate

☆ Strength Analysis report -- your mountings will be tested to meet the strength you need, for example, against wind speed and snow load.

☆ ISO Certificate.

Q1. What’s the specification of screw?

Please contact us for accurate answers.

Q2. Does the screw can be made in black color? And what’s the surface treatment?

Yes, Black electrophoresis.

Q3. Can you supply bi-metal screw?

Yes, please contact us for specific materials.

Q4: Can it be customized according to customers' drawings? 

Yes, the bolts can be customized according customers needs, pls share the drawings for us. 

Q5: What's your trade terms?

By express, we can offer TNT, DHL, Fedex etc. 

By sea, we can provide EXW, FOB, CIF or DAP etc.

Q6: What's your payment method? 

Order<=10000USD, it requires 100% T/T payment when place order.

Order>10000USD, it requires 50% T/T advance and 50% balance before shippment.

Q7: How long is your delivery time?

For the bolts, generally it will take about 5-10 working days if the goods are in stock. If none in stock, it depends on order quantity.