Express Delivery 3/8″-16 X 4″ Machine Screws Flat Head Slotted Drive Steel Zinc Plated (50/Pkg.)

Engineered for dependable metal-to-metal fastening, the Machine Screws Slotted Flat Steel Zinc 3/8-16 x 4 deliver durable performance for a wide range of industrial and DIY applications. These slotted flat-head machine screws are crafted from steel with a zinc plating that provides corrosion resistance, making them ideal for light to medium-duty assemblies.

Designed for reliability in demanding environments, these fasteners combine strength with ease of installation.

Size and thread: 3/8-16 x 4 inches (diameter 0.375″, 16 threads per inch, length 4″).

Drive type: Slotted for use with a standard screwdriver.

Head style: Flat (countersunk) head for flush mounting.

Material: Steel with a zinc finish for improved corrosion resistance.

Thread: Unified coarse thread (3/8-16 UNC) for strong engagement in metal components.

Applications: Ideal for mounting panels, brackets, and machinery components.

Compatibility: Works with 3/8-16 nuts or tapped holes.

Whether you’re outfitting a workshop project or performing routine equipment maintenance, these machine screws offer reliable torque and a secure hold. Add the 3/8-16 x 4 slotted flat steel zinc machine screws to your toolkit for fast, dependable fastening in metal assemblies.