[PREMIUM STAINLESS STEEL] These screws are made from stainless steel for exceptional durability and longevity.; [FLANGE NUT INTEGRATION] The flange nut design eliminates the need for a separate washer, providing a convenient and efficient solution.; [ENHANCED FIXING ABILITY] The serration of the nut prevents loosening due to vibration, ensuring a stable and secure installation.; [LONG-LASTING PERFORMANCE] These screws offer superior hardness and for a solution for your greenhouse needs.; [EASY INSTALLATION] With workmanship and user-friendly design, these screws are easy to tighten and ideal for greenhouse supplies.

What's in the box
20 x Screws