Metric flange bolts, Partial thread, Zinc plated class 10.9 steel, 10mm x 100mm
Flange bolt diameter is measured on the outside of the threads.
These bolts are all partially threaded. Shorter lengths are found with full thread.
Diameter and Thread pitch
Full thread, including shorter lengths.
Flange bolts have a flange on the bottom of the head that distributes the load like a washer.