●M4 x 12mm thumb Screws,Thread Diameter 4mm ●Material: Steel; Coating: Nickel ●Drive Type: Knurled and Slotted and Phillips ●All the screws are fully threaded.
Description
Knurled Thumb Screws feature a large cylindrical head with a knurled edge,and are designed to be easily adjusted by hand. Slotted Thumb Screws, which can be tightened using a Slotted Screwdriver. Extra large head with stright knurl.