Metric Bolt Diagram. Whitworth set himself the task of devising a standard for threads. The metric systems pitch is commonly viewed as the reverse of tpi in that it.
There is an exception thoughif pitch isnt specified the fastener is coarse threaded. The bolt chart provides both us and metric stud sizes. All measurements in millimeters.
The metric systems pitch is commonly viewed as the reverse of tpi in that it.
Grade 7 english bolt 4. All measurements in millimeters. Uc davis engineering. The first number the 5 denotes the diameter the 10 is the distance between the threads and the 35 is the length of the bolt when measured without the head.