Hillman® Self-Drilling Screw – Model 41548 (#10-16 x 3 in Hex Washer Head)

Product Overview

The Hillman® Self-Drilling Screw is designed for heavy-duty fastening in metal-to-metal applications without the need for pre-drilled holes. Featuring a No. 3 self-drilling point, this screw drills, taps, and fastens in one step, saving time and effort. Its hex washer head ensures superior driving control and a secure fit, while the zinc-plated finish provides moderate corrosion resistance for indoor and light outdoor use.

Perfect for HVAC, structural steel, electrical, and general construction projects, this screw is a dependable choice for professionals and contractors.

Key Features

• Self-drilling design – eliminates the need for pilot holes.
• Hex washer head for strong grip and easy installation.
• No. 3 drill point for smooth drilling in metal.
• Zinc-plated finish for corrosion resistance.
• Drills, taps, and fastens in one step – saves time and labor.
• Ideal for heavy-duty metal-to-metal fastening.

Specifications

• Model Number: 41548
• Size: #10-16 x 3 in
• Head Type: Hex Washer
• Drive Size: 5/16 in
• Point Type: Self-Drilling (No. 3)
• Material: Steel
• Finish: Zinc-Plated
• Thread Type: Fine (#10-16)
• Package Quantity: Typically 50 per pack (varies by retailer)
• Indoor/Outdoor: Yes
• Country of Origin: USA

Applications

• Metal-to-Metal Fastening: Ideal for attaching structural steel components.
• HVAC Installations: Ductwork and brackets.
• Electrical Work: Boxes, straps, and conduit clips.
• General Construction: Brackets, straps, and other hardware connections.