Blind Nuts Available in Hexagonal Shank, Large Flange, Countersunk & Reduced Head Types Blind Nuts1)Material: steel only2)Available in Hexagonal Shank, Large Flange, Countersunk & Reduced Head Types3)Sizes: M3, M4, M5, M6, M8, M10Designed to provide efficient and cost-effective method of placing permanent threads in thin materialsInstalled from one side, blind nuts are perfect for use in metal, ...