Applications of Brass Self-Drilling Screws
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2025-08-14 04:19
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Applications of Brass Self-Drilling Screws
4. Load Capacity The load-bearing capacity of an M20 foundation bolt can vary depending on the grade of steel used. Common grades include 4.6, 8.8, and higher grades, with 8.8 indicating a high-strength bolt capable of bearing significant tensile and shear loads.