Product Overview

A Self-Drilling Gypsum Board Screw, also known as a drywall screw, is specifically designed to fasten gypsum (plasterboard) sheets to metal or wooden studs without pre-drilling. The sharp tip and special threading allow it to pierce the board and underlying surface in one motion, making installation fast, clean, and secure.

Specifications

• Material: Hardened carbon steel

• Coating/Finish:

  • Black phosphate (corrosion-resistant)

  • Zinc-plated (optional for extra protection)

• Head Type:

  • Bugle head (for flush finish)

  • Phillips drive (cross slot)

• Point Type: Self-drilling (TEK point)

• Thread: Fine thread (for metal studs) or coarse thread (for wood studs)

• Common Sizes:

  • 3.5 x 25 mm

  • 3.5 x 35 mm

  • 4.2 x 38 mm

  • 4.2 x 50 mm

Key Features

• No pre-drilling needed – saves time

• Fast, clean penetration into gypsum boards

• Bugle head prevents tearing of paper surface

• Fine or coarse thread options for metal or wood

• Ideal for use with power screwdrivers or drywall guns