The internal expansion anchor bolt is an anchor bolt with good expansion ability. Its design features include suitability for small edges and small spacings, suitability for repeated fixing with equal-length screws, concave-convex design of the expansion surface to ensure anchoring force, and provision of various different embedding depths to ensure high-strength bearing capacity.

Expansion anchor bolts are suitable for a variety of materials, including low-carbon alloy steel, carbon steel, 316 and 304 stainless steel, as well as non-ferrous metals. They have a wide range of applications, including tube bundle and pipeline fixation, air conditioning system fixation, base material fastening, sprinkler system fixation, etc.

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