Manufacturer Part#: MGPB-R8-10GAT , Category : Lockbolt Break-Pins (Unified) , Manufacturer: Huck , Brand: Magna-Grip Lockbolts , Minimum Grip [Unified]: 0.125 , Maximum Grip [Unified]: 0.625 , Fastener Diameter [Unified]: 0.25 , Head Type: Button , ECCN: EAR99 , HTS Codes: 7318.29.0000 , Finish: Zinc Plate Clear w/ Silicate Sealer , Style: Magna-Grip Unified , Head Diameter [Unified]: .480-.520 , Type: Lockbolt Break-Pin Unified , Body Material: Carbon Steel , Finish Detail: Zinc Plate Clear Trivalent ASTM B633 Electroplate .0003 Thick, With Silicate Sealer , Head Height [Unified]: .135-.155 , Fractional Diameter: 1/4 Inch , Grip Range (Unified): .125-.625 , Material Detail: Carbon Steel , RoHS 3 Compliant: Yes , Tensile Strength (lbf): 4,000 , Grade: 2 , Shear Strength (lbf): 2,700 , Clamp Strength (lbf): 2,000 , Head Capped: No , Under Head Sealant: No , Diameter of Ungrooved Area Underhead: 0.259 , Maximum Hole Size [Unified]: 0.281 , Under Head Pin Length (Unified): 1.965-2.040 , Pin Length To Lock Groove (Unified): 0.125 , Exposed Pin At Min. Grip (Unified): 0.000-0.093