NAS Aerospace Bolts - MS21250 Series

Main features

NAS (National Aerospace Standard) screws and bolts, used mainly in the Motorsport, Racing and Aeronautical sectors.

Min. resistance= 160,000 PSI and shear = 95,000 PSI.
Galvanic cadmium plating treatment (resistance to atmospheric agents).
The MS21250 Series bolts have a polygonal head (12 points) and an under-head flange.
The thread and grip measurements (smooth part) are pre-established as per the codes shown in the table (pdf).