Huck C50LR-BR32-84 C50L Lockbolts, Unit of Measure: Inch, Diameter: 1.000 Inch, Minimum Grip: 5.250 Inch, Maximum Grip: 5.500 Inch, Grip Range: 5.250 - 5.500 Inch, Round Head, Carbon Steel Material, Material Detail: Grade 5 Carbon Steel, Plain Finish, Finish Detail: Plain, Minimum Hole Size: 1.031 Inch, Maximum Hole Size: 1.063 Inch, Drill Size: 1-1/16 Inch, Head Diameter: 1.850 Inch, Head Height: 0.618 Inch, Diameter Tolerance: 0.990 - 1.025 Inch, Diameter of Ungrooved Area Under Head: 0.990 - 1.025 Inch, Under Head Pin Length: 1.125 Inch, Under Head Length to Breakpoint: 6.823 Inch, Under Head Length to Minimum Grip: 5.250 Inch, Exposed Pin at Minimum Grip: 0.375 Inch, Clamp Strength: 51500 lbf. (229.08kN), Shear Strength: 56500 lbf (251.325kN), Tensile Strength: 72700 lbf (323.386kN), RoHS Compliant: Yes