Clearance 3/8 X 1-1/4″ Type A Self Tapping Sheet Metal Screws Indented Hex Washer Head Unslotted Drive Steel Zinc & Bake (600/Pkg.)

Professional-grade Type A self-tapping sheet metal screws designed for reliable fastening in thin-gauge metal assemblies. The indented hex washer head and unslotted drive enable secure seating and consistent torque with hex drivers in a zinc plated, baked enamel finish.

Specs

Diameter: 3/8 inches

Length: 1-1/4 inches

Finish: Zinc plated with baked enamel coating

Drive type: Unslotted

Material: Steel

Thread type: Self-tapping

Features

Self-tapping design: Enables direct threading into sheet metal without pre-drilling, reducing assembly time and tool requirements.

Indented hex washer head: Provides flush seating, distributes load across a larger bearing surface, and improves torque resistance during installation.

Unslotted drive: Suited for hex driver engagement, minimizing tool slippage and cam-out under high fastener torque.

Finish: Zinc plating with baked enamel coating offers corrosion resistance in typical indoor and mild outdoor environments.

Pack quantity: 600 per package, optimizing bulk procurement for production lines and maintenance inventories.

Ideal applications: Used for fastening thin gauge sheet metal in automotive trim, appliance assemblies, HVAC enclosures, and metal cabinetry.

Installation guidance: Use a compatible hex driver and apply steady torque to achieve full thread engagement without over-tightening, ensuring clean thread formation and pull-out resistance.