truss head shoulder screw
thread: 8-32 UNC-2A
head height: 0.170 +/- 0.015 inch, head diameter: 0.500 +/- 0.015 inch
rod length: 0.875 +/- 0.062 inch
groove width: 0.064 +/- 0.015 inch, depth: 0.074 +/- 0.015 inch
material: steel
surface finish: zinc plated
