Description

Bordo BSPF Chrome Button Die - 4818

British Standard Pipe (BSPF).
Split circular chrome alloy button dies are most commonly used in conjunction with a die stock handle.
They can be used as thread chasers to clean an existing thread.
They can also be used to create a new male thread on non-ferrous metals and plastics.
Chrome alloy dies are not suitable for creating precision, safety or critical threads.
BSPF (G Series) is a pipe thread which is used mainly for mechanical coupling.
The angle of thread is mainly 55° however for the US method some threads have a 60° angle.
It is specified according to JIS and ISO R228.