Concrete Screw Information
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Screw diameter | Masonry bit size * | Screw length | Minimum embedment |
---|---|---|---|
3/16" | 5/32" | 1-1/4" | 1" |
1-3/4" | 1-1/8" | ||
2-1/4" or longer | 1-1/2" ** | ||
1/4" | 3/16" | 1-1/2" | 1" |
1-3/4" | 1-1/4" | ||
2-1/4" | 1-1/2" ** | ||
2-3/4" or longer | 2" ** | ||
* Using the incorrect masonry drill bit will affect performance, and could lead to failure. ** Embedment should not exceed 2 inches. NOTE: Concrete screws are susceptible to galvanic corrosion when used with aluminum, or when used in environments where moisture may be present. |