Bolts
Heavy Hex Bolts:
Heavy
hex bolts are generally specified for high temperature
or high pressure applications, particularly where
bolt heads will bear against flanges.
Click
here for more information about heavy hex bolts.
Hex
Head Cap Screws:
There
are several differences between hex head cap screws
and hex bolts. One of the main ones is that cap
screws have a tighter body tolerance than bolts.