Question

a metric bolt sized m8 - 1.25 x 50
○ has a strength grade of 1.25
○ is 1.25 cm long
○ has a thread pitch of 1.25
○ is 1.25 mm in diameter

Explanation:

In the metric bolt sizing M8 - 1.25 x 50, M indicates metric, 8 is the nominal outer - diameter in millimeters, 1.25 is the thread pitch in millimeters, and 50 is the length of the bolt in millimeters.

Answer:

C. has a thread pitch of 1.25