Made of Carbon Steel with Zinc Plated finish for a long time use. Fixing component, industrial and construction fasteners. You can tighten these screws a little better than the regular head screws with the extra wide wings. Easy to install and remove without any tools, can be used repeatedly.
Material: Carbon Steel; Weight: 48g
Overall Size: 30 x 23 x 9mm / 1.18" x 0.91" x 0.35" (L*W*H); Thread Pitch: 0.7mm