Hillman 47211 #10 x 1/2" Hex Washer Head Self-Drilling Screw – Zinc-Plated Steel:

Product Overview

The Hillman 47211 Self-Drilling Screw is designed for quick, efficient fastening in metal, wood, and fiberglass without the need for pre-drilled pilot holes. Featuring a hex washer head and a self-drilling point, this screw combines drilling, tapping, and fastening into one smooth operation, saving time and effort on every job. Its zinc-plated finish provides moderate corrosion resistance, making it suitable for indoor and outdoor applications.

Key Features

• Self-Drilling Point – Eliminates the need for pilot holes; drills and fastens in one step.
• Hex Washer Head – Provides a secure grip and distributes load evenly for a strong hold.
• Zinc-Plated Finish – Offers moderate corrosion resistance for long-lasting durability.
• Coarse Threads – Create their own mating thread for a tight, secure fit.
• Easy Installation – Compatible with standard 5/16" hex driver bits.
• Versatile Use – Ideal for metal-to-metal fastening, as well as wood and fiberglass applications.

Specifications

• Brand: Hillman
• Model: 47211
• Size: #10 x 1/2"
• Thread Type: Self-tapping, coarse thread (16 TPI)
• Point Type: #2 Self-Drill Point
• Head Style: Hex Washer
• Drive Size: 5/16" hex
• Material: Steel
• Finish: Zinc-plated
• Range of Material Thickness: Up to 12 gauge steel
• Package Options: 1 lb box (approx. 221 screws)
• Weight: ~1 lb per box
• Compliance: Meets IFI-113 and ASTM C954 standards 

Applications

• Metal-to-Metal Fastening – Perfect for sheet metal, HVAC ducts, and steel framing.
• Wood and Fiberglass Projects – Ideal for construction, repair, and assembly tasks.
• Industrial and Commercial Use – Common in manufacturing, automotive, and building projects.
• DIY Projects – Great for home improvement and general repairs.