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The term 10 x 1 refers to the dimensions of the screw. The first number, 10, denotes the length of the screw, typically measured from under the head. The following two numbers, x 1, represent the diameter and pitch respectively. In this case, the diameter is not specified (as often stands for a placeholder), but the pitch, 1, indicates the distance between each thread. A smaller pitch generally means greater holding power and stability.

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