#8-32 top thread and #8-32 bottom thread with 5/16 inch hex collar steel/zinc.
Playfield post fastener 6-32 top thread 1/4" long 8-32 bottom thread 3/8 inch
Mini-post screw wood screw base
Metal post with round base 6-32 tap and 10-32 thread on bottom.
Metal post 8-32 bottom stud
Metal bumper post has 8-32 bottom and 6-32 top thread
Mini post 8-32 thread Reference: 02-4003
Single post bumper #10 with 10-32 thread.
Steel-zinc stud with #8-32 thread on top and #8-32 thread on bottom
Metal stud with #8/32 on top and #8/32 on bottom with 5/16" hex collar
Common nickel plated ball guide mini-post for pinball machine playfields