HILLMAN M4-0.7 in. X 20 mm L Phillips Pan Head Zinc-Plated Steel Metric Machine Screws 50 pk

Metric Machine Screws are fastening screws with a machine-cut thread throughout the length of its shank. Machine screws are used with nuts or screwed directly into a threaded receptacle to fasten various components together in machines, tools, etc. For installation, drill a hole in the material that matches the diameter of the bolt, and install with a nut of similar size and finish.