Bolt shank out & stick out

SHANK OUT

The bolt shank that remains after the nut is tightened with the bolt and connecting members is referred to as 'bolt shank out.' This occurs only in X-type bolts, where additional washers are used.

Bolt shank out

STICK OUT

It refers to how much the bolt protrudes past the outer surface of the nut. A positive or zero extension is acceptable. However, a negative extension, where the bolt's end is within the nut, is not acceptable.