These are 6-32 Button Head stainless steel precision torx screws. They are made in the USA from 302HQ stainless. They are also DFARS compliant. These are hard to find.
6-32 - Button Head
Thread Length (measured under head) = .250
Head Diameter = .255
Torx Size Required= T-10
302HQ Stainless DFARS Compliant
Made in the USA
(1) Package = (25) screws