Screws

Gypsum board screws

For the installation of gypsum board in ceiling, partitions, etc... usually three kinds of screws are required.

Drywall screw

Drywall screw: The usage of this type of screw is to secure the gypsum board to the galvanized profiles (Furring channel, Stud, etc…).
They have a buggle head that ensures a flush countersunk into the board.                                                                                                  
The size may vary between 3.5X25 and 3.5X35 but the specifications remain the same:  

  • Carbon 1022   
  • Buggle head
  • Fine thread
  • Hard
  • Black phosphate


Self drilling screw
Wafer Head self drilling screw
  • Low profile head exposure
  • Carbon 1022
  • Hard Zinc Plated (CR6+)
  • Size: #8 X 1/2
Pan framing head self drilling screw
  • Flat or slightly rounded top.
  • Carbon 1022
  • Hard Zinc Plated (CR6+)
  • Size: #6 X 7/16


Chipboard screw

The usage of this type of screw is to secure the galvanized profiles to concrete surfaces and wood, providing maximum grip of the materials to be fastened.
The common size used is M5.0X40, it is very easy to use in a variety of applications based on its features and specifications:

  • Carbon 1022   
  • Double Flat head
  • Posi
  • Hard
  • Yellow Zinc (CR6+)


Cement board screws

For the installation of cement board for indoor and outdoor projects, a special designed type of screws is required. The usage of this type of screw is to secure the fiber cement board to the galvanized profiles based on the wafer head with nibs that integrates easily into materials without pre-drilling a pilot hole.
With its easy installation and long term secure hold, these screws are intended to resist corrosion based on its features and specifications:
  • Carbon 1022
  • Flat head
  • Wings
  • Hard
  • Zinc (CR6+)
  • Size: #8 X 1-1/4