Huck, BT-BR8-6GA, Bobtail Lockbolts, Unit of Measure: Inch, Decimal Equivalent Diameter: 0.250 Inch, Minimum Grip: 0.250 Inch, Maximum Grip: 0.500 Inch, Grip Range: .250-.500 Inch, Trazier Head, Steel Body Material, Material Detail: Grade 5 Carbon Steel, Zinc Plate Clear Finish, Finish Detail: Zinc Plate Clear Trivalent ASTM B633 Electroplate .0004 Thick, Maximum Hole Size: 0.281 Inch, Underhead Length to Pintail: 1.125 Inch, Style: Bobtail Small Diameter Unified, Type: Lockbolt Pin Unified, RoHS Compliant: Yes, Country of Origin: United States, ECCN: EAR99, HTS Code: 7318.29.0000