12 X 1-1/4″ Type A Self Tapping Sheet Metal Screws Indented Hex Washer Head Unslotted Drive 18/8 Stainless Steel (1000/Pkg.) One Day Deal

Type A self tapping sheet metal screws with an indented hex washer head and unslotted drive are designed for metal-to-metal fastening in sheet metal assemblies. Made from 18/8 stainless steel, they are sized #12 x 1-1/4 inch for consistent thread engagement.

Specs

Dimensions: Diameter #12; Length 1-1/4 inch

Head style: Indented Hex Washer Head

Drive type: Unslotted

Material grade: 304 stainless steel (18/8)

Features

Self tapping capability: Direct threading into sheet metal eliminates the need for pilot holes in appropriate thickness ranges, accelerating assembly workflows and reducing tool wear.

Indented Hex Washer Head: Provides even load distribution, improves seating stability against surface, and enables torque control with hex drivers to minimize cam-out.

Unslotted drive: Requires hex key or socket tool, enhancing torque precision and reducing slip during installation in metal assemblies.

Corrosion resistance: 304 stainless steel delivers superior resistance to rust and staining in indoor, outdoor, and washdown environments, extending service life in challenging conditions.

Applications: Ideal for fastening sheet metal components such as enclosures, cabinets, automotive panels, HVAC ductwork, and appliances where durable, corrosion-resistant fasteners are required.