Self Drilling Hanger Bolts for Solar Panel

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1️⃣ Mark the Drill Points - Determine the location of the mounting rail and mark the installation location for the boom bolts.

2️⃣ Position the boom bolts - Align the self-drilling tip with the surface to be secured.

3️⃣ Drill and Tighten - Using a power drill, apply steady pressure so the drill bit penetrates the surface and engages the threads.

4️⃣ Seal and Secure - Ensure the EPDM gasket is compressed to create a watertight seal, but do not overtighten.

5️⃣ Mount the Rail or Bracket - Secure the solar mounting rail or bracket to the boom bolts using nuts and washers and tighten to the required torque.

Advantages as follow:

☆ Easy Installation--Hanger bolt will be fixed on steel purlin directly.

☆ Waterproofing--The rubber can perfectly prevent water.

☆ Pre-assembled components  – highly save the labor cost at your installation site.

Related certificate

Strength Analysis report -- mountings will be test to meet your target strength, Like wind speed and snow load.

Q1. What's the material of hanger bolt?

It is stainless steel 304, which is named A2 or stainless steel 1.4301 in Europe. 

Material carbon steel also can be offered if needed.

Q2. Are these hanger bolt pre-assembled before shippment? 

Yes, hanger bolt will pre-assembled with nut and EPDM rubber ring.

But do not assembly with L feet or stainless steel plate.