AHDM06-18-14PN Plug, Size 18, 14 positions, Pin, standard s
Steel Externally Threaded Taper Pin With Hex Nut, Plain Finish, Standard Tolerance, 4 Pin Size, 1/4"-28 Thread Size, 0.248" Large End Diameter, 0.232" Small End Diameter, 3/4" Length (Pack of 5) :
IFI-109/510, Dimensional Requirements for Duplex Face and Single Face Flat Thread Rolling Dies - Inch and Metric - Industrial Fasteners Institute
ISO 8737 Taper pins with external thread – Taper straight pins with thread ends | Parts4world
Set Screws M3-0.5 X 6mm Slot Stainless Steel DIN 427 / ISO 2342 ME515