Hillman 47204 #8 x 1/2" Self-Drilling Screw – Hex Washer Head, Zinc-Plated Steel:

Product Overview

The Hillman 47204 Self-Drilling Screw is a versatile fastener designed for quick and efficient installation in metal, wood, and fiberglass. Featuring a hex washer head and a self-drilling point, this screw eliminates the need for pre-drilled pilot holes, saving time and effort on the job. Its zinc-plated finish provides moderate corrosion resistance, making it ideal for both indoor and light outdoor applications.

Key Features

• Self-Drilling Point – Drills its own hole in thin gauge steel without pre-drilling.
• Hex Washer Head – Provides secure grip and easy installation with standard hex drivers.
• Zinc-Plated Finish – Offers moderate corrosion resistance for durability.
• Coarse Threads – Creates strong mating threads for secure fastening.
• Multi-Material Use – Suitable for wood, fiberglass, and metal applications.
• One-Step Installation – Drills, taps, and fastens in a single operation.

Specifications

• Manufacturer: Hillman Group
• Part Number: 47204
• Size: #8 x 1/2 inch
• Thread Type: Coarse, self-tapping
• Point Type: Self-drilling
• Head Style: Hex washer
• Drive Type: Hex
• Material: Steel
• Finish: Zinc-plated
• Hardness: Rockwell HRC 32–40 (typical for carbon steel screws)
• Package Options: 1 lb box (approx. 280 screws)
• Standards: Meets IFI-113 and ASTM C954 performance requirement

Applications

• Metal-to-Metal Fastening – Ideal for HVAC, ductwork, and steel framing.
• Wood and Fiberglass Projects – Perfect for light construction and assembly tasks.
• General Purpose Use – Suitable for home improvement, automotive, and industrial applications.
• Indoor & Light Outdoor Environments – Zinc plating provides moderate protection against rust.