Marson® AB8-4AV Klik-Fast Open End Blind Rivet, Unit of Measure: Inch, 1/4 Inch Diameter, 0.250 Inch Decimal Equivalent, 0.126 Inch (3.20mm) Minimum Grip, 0.250 Inch (6.35mm) Maximum Grip, 0.126 - 0.250 Inch (3.20 - 6.35mm) Grip Range, Button Head, Aluminum Body Material, Material Detail: Aluminum 5052, Plain Body Finish, Finish Detail: Plain, Aluminum Mandrel Material, Plain Mandrel Finish, 0.257 Inch (6.53mm) Minimum Hole Size, 0.261 Inch (6.63mm) Maximum Hole Size, F Drill Size, 0.500 Inch (12.70mm) Head Diameter, 0.080 Inch (2.03mm) Head Height, 0.500 Inch (12.70mm) Body Length, 0.250 Inch (6.35mm) Mandrel Diameter, 990 lbf. (4.40kN) Shear Strength, 1100 lbf. (4.89kN) Tensile Strength, RoHS Compliant Yes