SAE AS9450B
SAE AS9450B
SCREW, MACHINE - STEEL, DIFFUSED NICKEL-CADMIUM PLATED, HEXAGON HEAD, DRILLED, UNS K14675, 195 KSI MIN, .1640-36 UNJF-3A (Stabilized: Feb 2015)
standard by SAE International, 02/17/2015