Lot of 4 Stainless Steel Captive screws, #10-32 screw size
Screw-in mount, 41/64" (.640") knurled knob.
Mounts in 3/8" hole with countersink for flush mount on mating side.
0.1" min. panel thickness.  13/16" height installed.
Up to .320" exposed thread, depending on panel thickness.
New Old Stock