Asme B1864 Pdf

💡 ASME B18.6.4 is now considered obsolete for new designs. On February 5, 2013, it was consolidated into ASME B18.6.3 , which now covers Machine Screws, Tapping Screws, and Metallic Drive Screws in one comprehensive document. 🛠️ Scope & Application

Material hardness (Rockwell C45 min for steel), case depth, and heat treatment protocols. ANSI B18.6.4 Self Tapping Drive Screws (Type U) asme b1864 pdf