I make some use of fully threaded studs for one of ScopeRoller's products. Turning into a threaded hole is a struggle because they don't have a head. Usually fully thread studs are flat on each end. I bought a batch a while back that had a hole for an Allen wrench, which of course greatly simplifies turning these in without damaging the threads.
Can't get a sharp focus this close with a webcam.
Is there a special name for this type of stud with an Allen head end?
UPDATE: The vendor MSC Industrial indicates no special name for it. Disappointed to see that a larger version M8x1.25 that arrived today are conventional.