5/16"-18 X 4" Machine Screws | Flat Head | Slotted Drive | Steel Zinc Plated (50/Pkg.) 495 lb SWL The 4-40 thread size and

The 4-40 thread size and 3/8 inch length make them suitable for light to medium-duty applications in electronics

a clean finish

and everyday use

Finish: Black oxide to resist wear and provide a sleek appearance

Thread: M8 with 1

5/16"-18 X 4" Machine Screws | Flat Head | Slotted Drive | Steel Zinc Plated (50/Pkg.) 495 lb SWL The 4-40 thread size andMachine Screws Slotted Flat Steel Zinc 5 16 18 X 4 are precision engineered fasteners designed for secure connections in machinery, panels, and equipment. These machine screws feature a slotted drive and are crafted from steel with a durable zinc finish to resist corrosion in demanding environments. Key Features Drive type: Slotted Material: Steel Finish: Zinc plating for corrosion resistance Thread: 5 16 18 UNC Length: 4 inches Applications Ideal for