5/16″-18 X 3/4″ Machine Screws Indented Hex Head Slotted Drive Steel Zinc Plated (1500/Pkg.) Next Day Delivery

Machine Screws Slotted Indented Hex Washer Zinc Plated 5/16-18 X 3/4 deliver reliable fastening for metal-to-metal assemblies. The combination of a slotted drive, an indented hex washer head, and a durable zinc plating ensures secure seating, easy installation, and long-lasting corrosion resistance in a variety of applications.

Key features

Slotted drive for quick, tool-compatible installation with standard screwdrivers.

Indented hex washer head provides a flush seating and even load distribution.

Zinc plated finish offers corrosion resistance in indoor and some outdoor environments.

5/16-18 UNC thread size ensures compatibility with common tapped holes and nuts.

Length of 3/4 inch makes these screws suitable for a range of thicknesses and assemblies.

Specifications

Diameter: 5/16 in

Thread: 5/16-18 UNC

Length: 3/4 in

Head style: Slotted Indented Hex Washer

Material: Steel

Finish: Zinc Plated

Applications

Ideal for equipment, machinery, automotive, electrical enclosures, and general metal fabrication where a secure, corrosion-resistant fastener is required. The zinc plating enhances durability in mildly corrosive environments while the standard UNC thread provides reliable mating with common hardware.