Final answer:
The data provided for a square-threaded screw likely pertains to an engineering calculation involving its mechanics, but the actual question is missing, so no specific answer can be given.
Step-by-step explanation:
A student has presented the data for a single square-threaded screw with specific characteristics and has asked a question related to the topic. The data includes a mean radius of 10 mm, a lead of 3 mm, and a coefficient of static friction (μs) of 0.35. However, the actual question is not provided in the information given. Typically, in problems involving screws, students are asked to find the torque required to either raise or lower a load, the axial force, or the efficiency of the screw mechanism, based on the given parameters.
Given the nature of the problem and the specific terms used, such as 'mean radius,' 'lead,' and 'coefficient of static friction,' the question is most likely related to a physics or engineering calculation involving the mechanics of the screw and the forces involved. As the exact question is missing, no calculation can be performed.