M8, SHORT, Hex Bolts, Part Threaded, STAINLESS STEEL, A2, Metric.

M8, SHORT, Hex BOLTS, Part Threaded, Stainless Steel, Metric.
 
Thread Size = 8mm
Head/Spanner Size = 13mm
 
Thread Length: There is around 18-20mm of Thread on the Bolts. Total Length of Bolt is measured from underneath the head.
 
You can also add on Nuts, Nylocs & Washers from the drop down box.