Tap End Stud vs. Double End Stud

Both replace a bolt in repeated assembly, but their ends are threaded differently.

FeatureTap End StudDouble End Stud
EndsShort tap end + long nut endEqual threads both ends
InstallTap end into a tapped holeOne end into a tapped hole or nut
BodyPlain middle sectionFully or partially threaded
Typical usePumps, valves, flanged jointsGeneral studding, anchors
Best forOne part stays fixedBoth ends take nuts

Verdict

A tap end stud threads one end permanently into the part; a double end stud takes a nut on both ends. Match the ends to the joint.

Keep Reading