5/16 X 1-3/4" Type A Self Tapping Sheet Metal Screws | Indented Hex Washer Head | Unslotted Drive | Steel Zinc & Bake (900/Pkg.)

Type A self tapping sheet metal screws provide reliable thread formation in metal substrates with high torque transfer. Indented hex washer head, unslotted drive, zinc plated baked finish, 5/16″ diameter by 1-3/4″ length; package quantity 900 pieces.

Specs

• Diameter: 5/16″
• Length: 1-3/4″
• Finish: Zinc plating with baked-on finish
• Drive type: Unslotted
• Material: Steel
• Thread type: Self tapping

Features

• Self tapping: Forms mating threads in sheet metal during drive, eliminating pre-drilling for appropriate thicknesses and enabling rapid assembly.
• Head geometry: Indented hex washer head provides flush seating and distributes clamping force across the surface to reduce pull-through on thinner panels.
• Drive type: Unslotted hex drive requires a hex driver, delivering higher torque transfer and improved tool engagement compared to slotted variants.
• Finish: Zinc plating with baked-on finish offers corrosion protection for indoor environments and helps resist wear during handling.
• Material: Steel provides reliable mechanical strength and compatibility with common metal substrates used in enclosures, panels, and housings.
• Ideal applications: Electrical enclosures, metal panels, automotive interior trims, appliance housings, and HVAC components.