General description The 90 PCS Expansion Screw Petal Nut set includes high-quality -20, M5-25, and M6-25 shaped metal jack nuts made from durable carbon steel. These petal nuts feature enhanced anti-rust resistance due to galvanized technology, ensuring longevity and reliability even under frequent use. Their design allows for a secure fit on various materials, making them a versatile choice for different applications. Technical specifications Material: Carbon steel Shape: Petal Sizes: -20, M5-25, M6-25 Color: Silver Quantity: 90 pieces Measurement allowed error: +/- 1-3 cm Installation Easy to install with a thread insert design No dedicated tools or equipment required Suitable for thin walls or soft walls Usage The petal nuts can be used with various materials, including plastic, plywood, hollow walls, and iron skin, making them a multifunctional addition to your DIY projects. Other information Note: Light reflection and different displays may cause the color of the item in the