3. Versatility Self-drilling bolts can be used in a wide range of applications, from metal roofing and siding installations to structural steel assembly and machinery assembly. Their adaptability makes them an essential tool across different sectors, including construction, automotive, and fabrication.

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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.