PRODUCT INFORMATION: Quantity: 50 Barrel Diameter: 0.246-0.250 in. Barrel Height: 0.594-0.609 in. Finish: Zinc Flange Diameter: 0.406 in. - 0.421 in. Flange Thickness: 0.038 in. Grip Range: 0.080 in. - 0.130 in. Hole Size: 0.250 in. - 0.256 in. Material: Steel Screw Size: 10-24 Made In: Taiwan The Large Flange system provides captive threads in materials too thin to independently support threads, orwhere costly tapping operations are to be eliminated. The Large Flange fastener can be used as a rivet to joinmaterials that will ultimately have a separate component attached.To Set 8-32, 10-24 and 10-32 Large Flange Nutserts, use tool 11805 and conversion kits listed on page 163.Large Flange Nutserts, 1/4-20, 5/16-18 and 3/8-16, require a pneumatic tool for installation. They cannot beset with 11805.