[Expansion Bolt]: The package comes with 100pcs of expansion bolts in 1"/25mm total length, 0.31"/8mm outer diameter, 0.25"/6.35mm thread Inner diameter, 0.37"/9.5mm pre-drilled hole diameter.
[Sturdy & Durable]: Made of carbon steel material, hard and durable. It has good anti-rust and anti-corrosion properties, has excellent load-bearing capacity, and can be used for a long time.
[Fetures/Design]: Good workmanship, the surface of the expansion bolt is smooth and burr-free, the threads are neat and clear, the force is even, and it is not easy to slide.
[Good Chioce]: These expansion bolts are generally used to fasten guardrails, awnings, air conditioners, etc. on concrete, bricks, and other materials.
[Installation]: Drill a hole of appropriate size, insert the expansion bolt into the hole, and tighten the screw into the bolt to secure it in the concrete.
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