E Engineering Edge Member Jul 24, 2023 #1 Anyone know what is the difference between a self-tapping screw and a self-drilling screw? Thank you!
Anyone know what is the difference between a self-tapping screw and a self-drilling screw? Thank you!
s.weinberg Moderator Mechanical-Engineering.com Expert Jul 24, 2023 #2 Self-tapping typically still requires a hole before the screw goes in. Self-drilling makes its own hole
Self-tapping typically still requires a hole before the screw goes in. Self-drilling makes its own hole