4-40 X 1/2 Thumb Screw / Round Head / Knurled / Aluminum
A one-piece screw with a cylindrically-shaped head and a fully-threaded shank with a unified thread pitch. The head has a smooth, flat top and a roughened surface around its full circumference.
For use in applications where periodic manual adjustment is required and where finger pressure can supply sufficient tightening torque.
4-40 X 1/2 Thumb Screw / Round Head / Knurled / Aluminum
A one-piece screw with a cylindrically-shaped head and a fully-threaded shank with a unified thread pitch. The head has a smooth, flat top and a roughened surface around its full circumference.
For use in applications where periodic manual adjustment is required and where finger pressure can supply sufficient tightening torque.
