Thumb screws, Spade type with shoulder, Zinc plated steel, Coarse (standard) thread, 32
Spade type thumb screws with shoulder

Thumb screw diameter is measured on the outside of the threads.

Spade type thumb screw with shoulder diameter

Thumb screws, Spade type with shoulder, Zinc plated steel, Coarse (standard) thread, 32

Diameter and Thread count