Buttress Thread Gauges


BUTTRESS THREADS are used in the construction of artillery with the screw type breech block / gun barrels OR vices & screw jack. As Buttress Threads can withstand the axial load placed on it OR high force only in one direction, these are suitable for above applications.

American Specifications : ANSI/ ASME B1.9- 1973 for 70/450 thread Profile.
B.S Specifications : B.S 1657 – 1950 used for 70/450 and 0/520 thread profile.
Manufacturing Range :

Thread Plugs , Thread Rings, Check Plugs & Wear Check Plugs of Diameter from 1/2″ to 14″ and TPI from 20 to 2.