quantity of 100 Self Tapping Screws. Case Hardened Mil-spec hardware made by Bosch-Rexroth. 5/32 x 1/2 Inch Pan head phillips. Not your typical Chinese pot metal. NSN 5305-00-432-4170. SPECS: AASB ener Length 0.469 inches minimum and 0.531 inches maximum AASK Head Style PAN AASL Head Diameter 0.306 inches minimum and 0.322 inches maximum AASU Head Height 0.105 inches minimum and 0.115 inches maximum ABQZ Internal Drive Style Cross recess type 1 CBBL Features Provided Casehardened CRGF Nonmachine Thread Style Gimlet point (type A, ab or ba) CTYF Nonmachine Nominal Thread Diameter 0.164 inches MATT Material Steel overall SFTT Surface Treatment Cadmium overall and chromate overall 13859 WRD22