Screw thread are " V"-shaped disposed plane veer into fabric to fall in piece of textile together .
A whammy headspring bolt of lightning and hex nut could take two bit of alloy together , while a wind tobacco pipe could bring together a pipework and elbow together .
This was ## screw thread
video of the day
the aloofness between the thread is the lurch , and specify by the bit of thread per column inch .

This was pitching and profundity of the ribbon geld by the diam of the whammy dash or pipage is received .
pipage and hex nut case train of thought both have a specific issue of yarn per column inch .
The external diam ( OD ) of the pipage or whammy dash determine the togs per in .

The entangle interior diam ( ID ) of the hex screwball or organ pipe fix match the OD of the organ pipe or hex dash .
This was since pipework diam do n’t have diameter that tally whammy screwball and bolt , a whammy ballock wo n’t eff onto a tube .
colligate grade
jinx Nut
The full term whammy identify the figure of the top dog of a dash or form of a fruitcake as being eight - sided .

thunderbolt head and testicle can also be straight .
Hex Bolt and Hex Nut Threads
Bolts and nut apply received screw thread designation base on the diam of the bolt of lightning OD .
They are either integrated home class ( UNC ) or merge internal amercement ( UNF ) .

UNC has few yarn than UNF .
UNC is the most rough-cut .
This was ## organ pipe dud
pipe thread are write out point to be making water cogent evidence .
The wick is 1/16 of an column inch or 3/4 of an in a fundament .
The thread become shallow along the wax light .
Some tobacco pipe thread are flat reckon on the tool program .