The 2-Minute Rule for what is a lead screw
A category of precision screwdrivers, these are drives meant to get the job done with small screws, like Those people you discover in eyeglasses or pocket watches. In most cases, jeweler’s sets are a mix of slotted and Phillips sizes.Vaguely resembling a pinwheel, the screw heads Have a very triangular socket with 3 straight “wing” extensions