ASME B18.3 Socket Set Screws
Imperial Thread Size: 0# - 2"
Various Drive and Point Types
Various Surface Finishes
Other Material Grades are available
Please feel free to contact us for more details
a pen gun a made completely out of aluminum with some steel parts including the barrel, grub screws, spring, and firing pin. it took just a few hours and has a large sound moderator. sorry for no shooting.