Self-drilling Sheet Metal Screws - Squaredrive Cylindrical Head - 4.2 x 19mm N-SQ - Solid Thread - Zinc-plated (200 pieces)
Self-drilling Plate Screws or Squaredrive Cylinder Head are 4.2 x 19mm fasteners with a full thread and zinc coating for extra durability. They come in packs of 200, making them ideal for various construction or DIY projects that require reliable and resistant screws. These screws are specifically designed to self-drill into materials, eliminating the need for pre-drilling, and have a cylinder head suitable for a squared drive. Ideal for ensuring strong and secure fixings, they are a practical choice for both professional and personal use.