Manufacturer Part#: C50LR-BR20-20GA , Category : Lockbolt Break-Pins (Unified) , Manufacturer: Huck , Brand: C50L Lockbolts , Minimum Grip [Unified]: 1.25 , Maximum Grip [Unified]: 1.5 , Fastener Diameter [Unified]: 0.625 , Head Type: Round , Finish: Zinc Plate Clear , Style: C50L Unified , Head Diameter [Unified]: 1.086-1.196 , Type: Lockbolt Break-Pin Unified , Body Material: Carbon Steel , Finish Detail: Zinc Plate Clear .0004 , Head Height [Unified]: .367-.432 , Fractional Diameter: 5/8 Inch , Grip Range (Unified): 1.250-1.500 , Material Detail: Carbon Steel , RoHS 3 Compliant: Yes , Tensile Strength (lbf): 27,100 , Grade: 5 , Shear Strength (lbf): 22,500 , Clamp Strength (lbf): 19,200 , Head Capped: No , Under Head Sealant: No , Diameter of Ungrooved Area Underhead: .617-.642 , Maximum Hole Size [Unified]: 0.688 , Underhead Length to Breakpoint: 2.433 , Under Head Pin Length (Unified): 4.656 , Exposed Pin At Min. Grip (Unified): 0.375